diff --git a/Asset/owlbot.py b/Asset/owlbot.py
index c82662065d90..973cd85912bc 100644
--- a/Asset/owlbot.py
+++ b/Asset/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/analyze_iam_policy.php b/Asset/samples/V1/AssetServiceClient/analyze_iam_policy.php
index 1b6379b0b1d5..52c864565f11 100644
--- a/Asset/samples/V1/AssetServiceClient/analyze_iam_policy.php
+++ b/Asset/samples/V1/AssetServiceClient/analyze_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/analyze_iam_policy_longrunning.php b/Asset/samples/V1/AssetServiceClient/analyze_iam_policy_longrunning.php
index 5d4d01426550..37a811070617 100644
--- a/Asset/samples/V1/AssetServiceClient/analyze_iam_policy_longrunning.php
+++ b/Asset/samples/V1/AssetServiceClient/analyze_iam_policy_longrunning.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/analyze_move.php b/Asset/samples/V1/AssetServiceClient/analyze_move.php
index 06e6ab3b79de..8a15e6b97d7e 100644
--- a/Asset/samples/V1/AssetServiceClient/analyze_move.php
+++ b/Asset/samples/V1/AssetServiceClient/analyze_move.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/analyze_org_policies.php b/Asset/samples/V1/AssetServiceClient/analyze_org_policies.php
index 4cdb439802c7..3e1198261012 100644
--- a/Asset/samples/V1/AssetServiceClient/analyze_org_policies.php
+++ b/Asset/samples/V1/AssetServiceClient/analyze_org_policies.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/analyze_org_policy_governed_assets.php b/Asset/samples/V1/AssetServiceClient/analyze_org_policy_governed_assets.php
index 61cbd2f8e560..ad8d13017141 100644
--- a/Asset/samples/V1/AssetServiceClient/analyze_org_policy_governed_assets.php
+++ b/Asset/samples/V1/AssetServiceClient/analyze_org_policy_governed_assets.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/analyze_org_policy_governed_containers.php b/Asset/samples/V1/AssetServiceClient/analyze_org_policy_governed_containers.php
index d70e18df71ff..96564bd8c845 100644
--- a/Asset/samples/V1/AssetServiceClient/analyze_org_policy_governed_containers.php
+++ b/Asset/samples/V1/AssetServiceClient/analyze_org_policy_governed_containers.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/batch_get_assets_history.php b/Asset/samples/V1/AssetServiceClient/batch_get_assets_history.php
index f17310757bd8..9c29e16fff04 100644
--- a/Asset/samples/V1/AssetServiceClient/batch_get_assets_history.php
+++ b/Asset/samples/V1/AssetServiceClient/batch_get_assets_history.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/batch_get_effective_iam_policies.php b/Asset/samples/V1/AssetServiceClient/batch_get_effective_iam_policies.php
index e96d0530559e..271780e4739d 100644
--- a/Asset/samples/V1/AssetServiceClient/batch_get_effective_iam_policies.php
+++ b/Asset/samples/V1/AssetServiceClient/batch_get_effective_iam_policies.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/create_feed.php b/Asset/samples/V1/AssetServiceClient/create_feed.php
index cb108fba803a..d518a8795fce 100644
--- a/Asset/samples/V1/AssetServiceClient/create_feed.php
+++ b/Asset/samples/V1/AssetServiceClient/create_feed.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/create_saved_query.php b/Asset/samples/V1/AssetServiceClient/create_saved_query.php
index 0ad094bcba5e..56fc9bbe334e 100644
--- a/Asset/samples/V1/AssetServiceClient/create_saved_query.php
+++ b/Asset/samples/V1/AssetServiceClient/create_saved_query.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/delete_feed.php b/Asset/samples/V1/AssetServiceClient/delete_feed.php
index d0d96b004fac..97b4dde2274d 100644
--- a/Asset/samples/V1/AssetServiceClient/delete_feed.php
+++ b/Asset/samples/V1/AssetServiceClient/delete_feed.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/delete_saved_query.php b/Asset/samples/V1/AssetServiceClient/delete_saved_query.php
index 4945f266517a..5f2970a4a890 100644
--- a/Asset/samples/V1/AssetServiceClient/delete_saved_query.php
+++ b/Asset/samples/V1/AssetServiceClient/delete_saved_query.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/export_assets.php b/Asset/samples/V1/AssetServiceClient/export_assets.php
index 73ae8ba7a022..d41b308c9a88 100644
--- a/Asset/samples/V1/AssetServiceClient/export_assets.php
+++ b/Asset/samples/V1/AssetServiceClient/export_assets.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/get_feed.php b/Asset/samples/V1/AssetServiceClient/get_feed.php
index 8c205ff9ee7d..253ef6004058 100644
--- a/Asset/samples/V1/AssetServiceClient/get_feed.php
+++ b/Asset/samples/V1/AssetServiceClient/get_feed.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/get_saved_query.php b/Asset/samples/V1/AssetServiceClient/get_saved_query.php
index e63b164f6412..f8ca6789fc69 100644
--- a/Asset/samples/V1/AssetServiceClient/get_saved_query.php
+++ b/Asset/samples/V1/AssetServiceClient/get_saved_query.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/list_assets.php b/Asset/samples/V1/AssetServiceClient/list_assets.php
index 1a8c35bba011..fa8bbe45c1ea 100644
--- a/Asset/samples/V1/AssetServiceClient/list_assets.php
+++ b/Asset/samples/V1/AssetServiceClient/list_assets.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/list_feeds.php b/Asset/samples/V1/AssetServiceClient/list_feeds.php
index 8f4db2931a47..b267f1a8d99e 100644
--- a/Asset/samples/V1/AssetServiceClient/list_feeds.php
+++ b/Asset/samples/V1/AssetServiceClient/list_feeds.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/list_saved_queries.php b/Asset/samples/V1/AssetServiceClient/list_saved_queries.php
index 4984b52bf909..bd1f962ea29e 100644
--- a/Asset/samples/V1/AssetServiceClient/list_saved_queries.php
+++ b/Asset/samples/V1/AssetServiceClient/list_saved_queries.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/query_assets.php b/Asset/samples/V1/AssetServiceClient/query_assets.php
index bcead91dc02d..6c98d60af866 100644
--- a/Asset/samples/V1/AssetServiceClient/query_assets.php
+++ b/Asset/samples/V1/AssetServiceClient/query_assets.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/search_all_iam_policies.php b/Asset/samples/V1/AssetServiceClient/search_all_iam_policies.php
index 1fe24be7d7cc..7f864b0b395d 100644
--- a/Asset/samples/V1/AssetServiceClient/search_all_iam_policies.php
+++ b/Asset/samples/V1/AssetServiceClient/search_all_iam_policies.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/search_all_resources.php b/Asset/samples/V1/AssetServiceClient/search_all_resources.php
index d3b9b5eabda9..13be02f8ef87 100644
--- a/Asset/samples/V1/AssetServiceClient/search_all_resources.php
+++ b/Asset/samples/V1/AssetServiceClient/search_all_resources.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/update_feed.php b/Asset/samples/V1/AssetServiceClient/update_feed.php
index b72826e93a64..6e663307207d 100644
--- a/Asset/samples/V1/AssetServiceClient/update_feed.php
+++ b/Asset/samples/V1/AssetServiceClient/update_feed.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/samples/V1/AssetServiceClient/update_saved_query.php b/Asset/samples/V1/AssetServiceClient/update_saved_query.php
index 511c9ac9584e..6f7182c09e7b 100644
--- a/Asset/samples/V1/AssetServiceClient/update_saved_query.php
+++ b/Asset/samples/V1/AssetServiceClient/update_saved_query.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/src/V1/Client/AssetServiceClient.php b/Asset/src/V1/Client/AssetServiceClient.php
index d7312a68fa10..6ff3fd005174 100644
--- a/Asset/src/V1/Client/AssetServiceClient.php
+++ b/Asset/src/V1/Client/AssetServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/src/V1/resources/asset_service_descriptor_config.php b/Asset/src/V1/resources/asset_service_descriptor_config.php
index 964b0a52ce33..bb19d1ac42fa 100644
--- a/Asset/src/V1/resources/asset_service_descriptor_config.php
+++ b/Asset/src/V1/resources/asset_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/src/V1/resources/asset_service_rest_client_config.php b/Asset/src/V1/resources/asset_service_rest_client_config.php
index fd1b7fd66247..9f7ae74e3dd5 100644
--- a/Asset/src/V1/resources/asset_service_rest_client_config.php
+++ b/Asset/src/V1/resources/asset_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/tests/System/V1/AssetServiceSmokeTest.php b/Asset/tests/System/V1/AssetServiceSmokeTest.php
index fe6a3321887b..c5bf5ddb96fa 100644
--- a/Asset/tests/System/V1/AssetServiceSmokeTest.php
+++ b/Asset/tests/System/V1/AssetServiceSmokeTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2019 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Asset/tests/Unit/V1/Client/AssetServiceClientTest.php b/Asset/tests/Unit/V1/Client/AssetServiceClientTest.php
index 0b4c3cd86f84..8bafa3759062 100644
--- a/Asset/tests/Unit/V1/Client/AssetServiceClientTest.php
+++ b/Asset/tests/Unit/V1/Client/AssetServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/owlbot.py b/AssuredWorkloads/owlbot.py
index d5027c79833a..ec93f6453ba1 100644
--- a/AssuredWorkloads/owlbot.py
+++ b/AssuredWorkloads/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2020 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/acknowledge_violation.php b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/acknowledge_violation.php
index 5e6f4a28994c..35c536171b88 100644
--- a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/acknowledge_violation.php
+++ b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/acknowledge_violation.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/create_workload.php b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/create_workload.php
index bfe8a5f721cd..73c26dd19f5a 100644
--- a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/create_workload.php
+++ b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/create_workload.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/delete_workload.php b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/delete_workload.php
index 272bff749893..5e77092fa2c4 100644
--- a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/delete_workload.php
+++ b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/delete_workload.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/get_violation.php b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/get_violation.php
index dc04b5406da9..5878ea0f4b84 100644
--- a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/get_violation.php
+++ b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/get_violation.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/get_workload.php b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/get_workload.php
index 2922f4d80988..28f7733c8a54 100644
--- a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/get_workload.php
+++ b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/get_workload.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/list_violations.php b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/list_violations.php
index 2de94ceaea6f..a3a0aacd0739 100644
--- a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/list_violations.php
+++ b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/list_violations.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/list_workloads.php b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/list_workloads.php
index 7dce5409ac6b..d382930fc726 100644
--- a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/list_workloads.php
+++ b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/list_workloads.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/restrict_allowed_resources.php b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/restrict_allowed_resources.php
index 0720d26018da..fe917c7b93d2 100644
--- a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/restrict_allowed_resources.php
+++ b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/restrict_allowed_resources.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/update_workload.php b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/update_workload.php
index 6badd906af9a..32302983e0db 100644
--- a/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/update_workload.php
+++ b/AssuredWorkloads/samples/V1/AssuredWorkloadsServiceClient/update_workload.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/analyze_workload_move.php b/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/analyze_workload_move.php
index 9d0f919916a5..8bf352162dc1 100644
--- a/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/analyze_workload_move.php
+++ b/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/analyze_workload_move.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/create_workload.php b/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/create_workload.php
index 113dd2d8643b..efce6b2abffb 100644
--- a/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/create_workload.php
+++ b/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/create_workload.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/delete_workload.php b/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/delete_workload.php
index 59e8d1cbe7ac..493a20108e5f 100644
--- a/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/delete_workload.php
+++ b/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/delete_workload.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/get_workload.php b/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/get_workload.php
index c6d3fa9fb97a..e0d81b752e72 100644
--- a/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/get_workload.php
+++ b/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/get_workload.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/list_workloads.php b/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/list_workloads.php
index ba461806720c..79ee6eacfdbb 100644
--- a/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/list_workloads.php
+++ b/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/list_workloads.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/restrict_allowed_resources.php b/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/restrict_allowed_resources.php
index 6ecb4862f2c7..83a7e02eee54 100644
--- a/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/restrict_allowed_resources.php
+++ b/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/restrict_allowed_resources.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/update_workload.php b/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/update_workload.php
index f6c68bf68a65..31bc8d9541f5 100644
--- a/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/update_workload.php
+++ b/AssuredWorkloads/samples/V1beta1/AssuredWorkloadsServiceClient/update_workload.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/src/V1/Client/AssuredWorkloadsServiceClient.php b/AssuredWorkloads/src/V1/Client/AssuredWorkloadsServiceClient.php
index 68236b40af81..59cb3cdaa1a6 100644
--- a/AssuredWorkloads/src/V1/Client/AssuredWorkloadsServiceClient.php
+++ b/AssuredWorkloads/src/V1/Client/AssuredWorkloadsServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/src/V1/resources/assured_workloads_service_descriptor_config.php b/AssuredWorkloads/src/V1/resources/assured_workloads_service_descriptor_config.php
index add3dde579db..d934988916f8 100644
--- a/AssuredWorkloads/src/V1/resources/assured_workloads_service_descriptor_config.php
+++ b/AssuredWorkloads/src/V1/resources/assured_workloads_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/src/V1/resources/assured_workloads_service_rest_client_config.php b/AssuredWorkloads/src/V1/resources/assured_workloads_service_rest_client_config.php
index ad506b048711..1c4707566109 100644
--- a/AssuredWorkloads/src/V1/resources/assured_workloads_service_rest_client_config.php
+++ b/AssuredWorkloads/src/V1/resources/assured_workloads_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/src/V1beta1/Client/AssuredWorkloadsServiceClient.php b/AssuredWorkloads/src/V1beta1/Client/AssuredWorkloadsServiceClient.php
index 19bbe0e8ef86..300f170a8f94 100644
--- a/AssuredWorkloads/src/V1beta1/Client/AssuredWorkloadsServiceClient.php
+++ b/AssuredWorkloads/src/V1beta1/Client/AssuredWorkloadsServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/src/V1beta1/resources/assured_workloads_service_descriptor_config.php b/AssuredWorkloads/src/V1beta1/resources/assured_workloads_service_descriptor_config.php
index 977c1a614d27..9acff41c77ca 100644
--- a/AssuredWorkloads/src/V1beta1/resources/assured_workloads_service_descriptor_config.php
+++ b/AssuredWorkloads/src/V1beta1/resources/assured_workloads_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/src/V1beta1/resources/assured_workloads_service_rest_client_config.php b/AssuredWorkloads/src/V1beta1/resources/assured_workloads_service_rest_client_config.php
index 2148a2339c57..2e8951de8d00 100644
--- a/AssuredWorkloads/src/V1beta1/resources/assured_workloads_service_rest_client_config.php
+++ b/AssuredWorkloads/src/V1beta1/resources/assured_workloads_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/tests/Unit/V1/Client/AssuredWorkloadsServiceClientTest.php b/AssuredWorkloads/tests/Unit/V1/Client/AssuredWorkloadsServiceClientTest.php
index b319fe71a485..5207060133bc 100644
--- a/AssuredWorkloads/tests/Unit/V1/Client/AssuredWorkloadsServiceClientTest.php
+++ b/AssuredWorkloads/tests/Unit/V1/Client/AssuredWorkloadsServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AssuredWorkloads/tests/Unit/V1beta1/Client/AssuredWorkloadsServiceClientTest.php b/AssuredWorkloads/tests/Unit/V1beta1/Client/AssuredWorkloadsServiceClientTest.php
index 73374caedf9f..8d78a75cd01a 100644
--- a/AssuredWorkloads/tests/Unit/V1beta1/Client/AssuredWorkloadsServiceClientTest.php
+++ b/AssuredWorkloads/tests/Unit/V1beta1/Client/AssuredWorkloadsServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AuditManager/owlbot.py b/AuditManager/owlbot.py
index eeced0b85b58..8251fe28b47c 100644
--- a/AuditManager/owlbot.py
+++ b/AuditManager/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2024 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/AutoMl/owlbot.py b/AutoMl/owlbot.py
index 45bc551bc703..b882e2487266 100644
--- a/AutoMl/owlbot.py
+++ b/AutoMl/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/create_dataset.php b/AutoMl/samples/V1/AutoMlClient/create_dataset.php
index 4c97ea24945b..11cde14aaee5 100644
--- a/AutoMl/samples/V1/AutoMlClient/create_dataset.php
+++ b/AutoMl/samples/V1/AutoMlClient/create_dataset.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/create_model.php b/AutoMl/samples/V1/AutoMlClient/create_model.php
index 6c81f0c7d64a..556c867c31f2 100644
--- a/AutoMl/samples/V1/AutoMlClient/create_model.php
+++ b/AutoMl/samples/V1/AutoMlClient/create_model.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/delete_dataset.php b/AutoMl/samples/V1/AutoMlClient/delete_dataset.php
index 09991cee538b..e02db782f179 100644
--- a/AutoMl/samples/V1/AutoMlClient/delete_dataset.php
+++ b/AutoMl/samples/V1/AutoMlClient/delete_dataset.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/delete_model.php b/AutoMl/samples/V1/AutoMlClient/delete_model.php
index a182a5b9e813..bdd3e4c9ac7b 100644
--- a/AutoMl/samples/V1/AutoMlClient/delete_model.php
+++ b/AutoMl/samples/V1/AutoMlClient/delete_model.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/deploy_model.php b/AutoMl/samples/V1/AutoMlClient/deploy_model.php
index be5d47cfd907..4506cfebd7cd 100644
--- a/AutoMl/samples/V1/AutoMlClient/deploy_model.php
+++ b/AutoMl/samples/V1/AutoMlClient/deploy_model.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/export_data.php b/AutoMl/samples/V1/AutoMlClient/export_data.php
index 14a9e7f505a1..efc1a970e299 100644
--- a/AutoMl/samples/V1/AutoMlClient/export_data.php
+++ b/AutoMl/samples/V1/AutoMlClient/export_data.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/export_model.php b/AutoMl/samples/V1/AutoMlClient/export_model.php
index 7c46affa14e8..aac338445170 100644
--- a/AutoMl/samples/V1/AutoMlClient/export_model.php
+++ b/AutoMl/samples/V1/AutoMlClient/export_model.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/get_annotation_spec.php b/AutoMl/samples/V1/AutoMlClient/get_annotation_spec.php
index cc58c4bfe0fa..38518848ab24 100644
--- a/AutoMl/samples/V1/AutoMlClient/get_annotation_spec.php
+++ b/AutoMl/samples/V1/AutoMlClient/get_annotation_spec.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/get_dataset.php b/AutoMl/samples/V1/AutoMlClient/get_dataset.php
index 2aed284afc06..187425c16cde 100644
--- a/AutoMl/samples/V1/AutoMlClient/get_dataset.php
+++ b/AutoMl/samples/V1/AutoMlClient/get_dataset.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/get_model.php b/AutoMl/samples/V1/AutoMlClient/get_model.php
index cfea6c794a06..de6caf233118 100644
--- a/AutoMl/samples/V1/AutoMlClient/get_model.php
+++ b/AutoMl/samples/V1/AutoMlClient/get_model.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/get_model_evaluation.php b/AutoMl/samples/V1/AutoMlClient/get_model_evaluation.php
index 54ba1d251251..fb662d9e1038 100644
--- a/AutoMl/samples/V1/AutoMlClient/get_model_evaluation.php
+++ b/AutoMl/samples/V1/AutoMlClient/get_model_evaluation.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/import_data.php b/AutoMl/samples/V1/AutoMlClient/import_data.php
index a6abf2c56f0d..72bc8a81ebf2 100644
--- a/AutoMl/samples/V1/AutoMlClient/import_data.php
+++ b/AutoMl/samples/V1/AutoMlClient/import_data.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/list_datasets.php b/AutoMl/samples/V1/AutoMlClient/list_datasets.php
index 6fa5087180b8..c3ac3e663174 100644
--- a/AutoMl/samples/V1/AutoMlClient/list_datasets.php
+++ b/AutoMl/samples/V1/AutoMlClient/list_datasets.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/list_model_evaluations.php b/AutoMl/samples/V1/AutoMlClient/list_model_evaluations.php
index 70b5d8d6b842..de25793b5087 100644
--- a/AutoMl/samples/V1/AutoMlClient/list_model_evaluations.php
+++ b/AutoMl/samples/V1/AutoMlClient/list_model_evaluations.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/list_models.php b/AutoMl/samples/V1/AutoMlClient/list_models.php
index e42fd19455a0..846fb68fce43 100644
--- a/AutoMl/samples/V1/AutoMlClient/list_models.php
+++ b/AutoMl/samples/V1/AutoMlClient/list_models.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/undeploy_model.php b/AutoMl/samples/V1/AutoMlClient/undeploy_model.php
index 878d92871173..a39afe3d6c53 100644
--- a/AutoMl/samples/V1/AutoMlClient/undeploy_model.php
+++ b/AutoMl/samples/V1/AutoMlClient/undeploy_model.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/update_dataset.php b/AutoMl/samples/V1/AutoMlClient/update_dataset.php
index c1a6abd15611..591f70c89412 100644
--- a/AutoMl/samples/V1/AutoMlClient/update_dataset.php
+++ b/AutoMl/samples/V1/AutoMlClient/update_dataset.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/AutoMlClient/update_model.php b/AutoMl/samples/V1/AutoMlClient/update_model.php
index c88b60f929b3..0995641bed2c 100644
--- a/AutoMl/samples/V1/AutoMlClient/update_model.php
+++ b/AutoMl/samples/V1/AutoMlClient/update_model.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/PredictionServiceClient/batch_predict.php b/AutoMl/samples/V1/PredictionServiceClient/batch_predict.php
index fa906abd5a87..add66b540ebe 100644
--- a/AutoMl/samples/V1/PredictionServiceClient/batch_predict.php
+++ b/AutoMl/samples/V1/PredictionServiceClient/batch_predict.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/samples/V1/PredictionServiceClient/predict.php b/AutoMl/samples/V1/PredictionServiceClient/predict.php
index 8da2689a86e8..b6e7075e0539 100644
--- a/AutoMl/samples/V1/PredictionServiceClient/predict.php
+++ b/AutoMl/samples/V1/PredictionServiceClient/predict.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/src/V1/Client/AutoMlClient.php b/AutoMl/src/V1/Client/AutoMlClient.php
index fb6caf26a215..94804fdcd105 100644
--- a/AutoMl/src/V1/Client/AutoMlClient.php
+++ b/AutoMl/src/V1/Client/AutoMlClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/src/V1/Client/PredictionServiceClient.php b/AutoMl/src/V1/Client/PredictionServiceClient.php
index 6439ba8fcaf8..fb8a91f6e3f2 100644
--- a/AutoMl/src/V1/Client/PredictionServiceClient.php
+++ b/AutoMl/src/V1/Client/PredictionServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/src/V1/resources/auto_ml_descriptor_config.php b/AutoMl/src/V1/resources/auto_ml_descriptor_config.php
index 2f2030959022..0149967fef63 100644
--- a/AutoMl/src/V1/resources/auto_ml_descriptor_config.php
+++ b/AutoMl/src/V1/resources/auto_ml_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/src/V1/resources/auto_ml_rest_client_config.php b/AutoMl/src/V1/resources/auto_ml_rest_client_config.php
index bbff0ff1693d..6033f1195a09 100644
--- a/AutoMl/src/V1/resources/auto_ml_rest_client_config.php
+++ b/AutoMl/src/V1/resources/auto_ml_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/src/V1/resources/prediction_service_descriptor_config.php b/AutoMl/src/V1/resources/prediction_service_descriptor_config.php
index df0456c861c3..0ba1a623a87c 100644
--- a/AutoMl/src/V1/resources/prediction_service_descriptor_config.php
+++ b/AutoMl/src/V1/resources/prediction_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/src/V1/resources/prediction_service_rest_client_config.php b/AutoMl/src/V1/resources/prediction_service_rest_client_config.php
index e4707be02c0e..979d7bfc3d98 100644
--- a/AutoMl/src/V1/resources/prediction_service_rest_client_config.php
+++ b/AutoMl/src/V1/resources/prediction_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/tests/Unit/V1/Client/AutoMlClientTest.php b/AutoMl/tests/Unit/V1/Client/AutoMlClientTest.php
index 3fc1ef05e309..00a39d6535bc 100644
--- a/AutoMl/tests/Unit/V1/Client/AutoMlClientTest.php
+++ b/AutoMl/tests/Unit/V1/Client/AutoMlClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/AutoMl/tests/Unit/V1/Client/PredictionServiceClientTest.php b/AutoMl/tests/Unit/V1/Client/PredictionServiceClientTest.php
index bc043cf78dd0..9a0d9e0afe36 100644
--- a/AutoMl/tests/Unit/V1/Client/PredictionServiceClientTest.php
+++ b/AutoMl/tests/Unit/V1/Client/PredictionServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/owlbot.py b/BackupDr/owlbot.py
index b90d0aa102f2..408deb08201d 100644
--- a/BackupDr/owlbot.py
+++ b/BackupDr/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/create_backup_plan.php b/BackupDr/samples/V1/BackupDRClient/create_backup_plan.php
index 5e08e186692d..14e53b77c88e 100644
--- a/BackupDr/samples/V1/BackupDRClient/create_backup_plan.php
+++ b/BackupDr/samples/V1/BackupDRClient/create_backup_plan.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/create_backup_plan_association.php b/BackupDr/samples/V1/BackupDRClient/create_backup_plan_association.php
index fe32b301fb67..16cd3e44cf90 100644
--- a/BackupDr/samples/V1/BackupDRClient/create_backup_plan_association.php
+++ b/BackupDr/samples/V1/BackupDRClient/create_backup_plan_association.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/create_backup_vault.php b/BackupDr/samples/V1/BackupDRClient/create_backup_vault.php
index 0eb8a39cdfc9..382fbd37308f 100644
--- a/BackupDr/samples/V1/BackupDRClient/create_backup_vault.php
+++ b/BackupDr/samples/V1/BackupDRClient/create_backup_vault.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/create_management_server.php b/BackupDr/samples/V1/BackupDRClient/create_management_server.php
index 71fabbfd95ec..4aa7aabac494 100644
--- a/BackupDr/samples/V1/BackupDRClient/create_management_server.php
+++ b/BackupDr/samples/V1/BackupDRClient/create_management_server.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/delete_backup.php b/BackupDr/samples/V1/BackupDRClient/delete_backup.php
index e57d2bbfa7fe..005f6cd8b3bb 100644
--- a/BackupDr/samples/V1/BackupDRClient/delete_backup.php
+++ b/BackupDr/samples/V1/BackupDRClient/delete_backup.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/delete_backup_plan.php b/BackupDr/samples/V1/BackupDRClient/delete_backup_plan.php
index ceefc320aa66..ec4146e6f159 100644
--- a/BackupDr/samples/V1/BackupDRClient/delete_backup_plan.php
+++ b/BackupDr/samples/V1/BackupDRClient/delete_backup_plan.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/delete_backup_plan_association.php b/BackupDr/samples/V1/BackupDRClient/delete_backup_plan_association.php
index 8ebdabee84f5..33f86c2faabc 100644
--- a/BackupDr/samples/V1/BackupDRClient/delete_backup_plan_association.php
+++ b/BackupDr/samples/V1/BackupDRClient/delete_backup_plan_association.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/delete_backup_vault.php b/BackupDr/samples/V1/BackupDRClient/delete_backup_vault.php
index d1035e0287a1..a4d2e1cb8b33 100644
--- a/BackupDr/samples/V1/BackupDRClient/delete_backup_vault.php
+++ b/BackupDr/samples/V1/BackupDRClient/delete_backup_vault.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/delete_management_server.php b/BackupDr/samples/V1/BackupDRClient/delete_management_server.php
index 600741c46b66..8d4cafcaeafb 100644
--- a/BackupDr/samples/V1/BackupDRClient/delete_management_server.php
+++ b/BackupDr/samples/V1/BackupDRClient/delete_management_server.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/fetch_backup_plan_associations_for_resource_type.php b/BackupDr/samples/V1/BackupDRClient/fetch_backup_plan_associations_for_resource_type.php
index 89dcf72e21d4..f58bb4d1da47 100644
--- a/BackupDr/samples/V1/BackupDRClient/fetch_backup_plan_associations_for_resource_type.php
+++ b/BackupDr/samples/V1/BackupDRClient/fetch_backup_plan_associations_for_resource_type.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/fetch_backups_for_resource_type.php b/BackupDr/samples/V1/BackupDRClient/fetch_backups_for_resource_type.php
index e8cc842d87f3..9995ea363412 100644
--- a/BackupDr/samples/V1/BackupDRClient/fetch_backups_for_resource_type.php
+++ b/BackupDr/samples/V1/BackupDRClient/fetch_backups_for_resource_type.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/fetch_data_source_references_for_resource_type.php b/BackupDr/samples/V1/BackupDRClient/fetch_data_source_references_for_resource_type.php
index 675e1f05fbab..979ce5ebc78d 100644
--- a/BackupDr/samples/V1/BackupDRClient/fetch_data_source_references_for_resource_type.php
+++ b/BackupDr/samples/V1/BackupDRClient/fetch_data_source_references_for_resource_type.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/fetch_usable_backup_vaults.php b/BackupDr/samples/V1/BackupDRClient/fetch_usable_backup_vaults.php
index ca3baa61001d..d62ad4ba3ef8 100644
--- a/BackupDr/samples/V1/BackupDRClient/fetch_usable_backup_vaults.php
+++ b/BackupDr/samples/V1/BackupDRClient/fetch_usable_backup_vaults.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/get_backup.php b/BackupDr/samples/V1/BackupDRClient/get_backup.php
index d022b8e9926a..1b6eacbcd097 100644
--- a/BackupDr/samples/V1/BackupDRClient/get_backup.php
+++ b/BackupDr/samples/V1/BackupDRClient/get_backup.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/get_backup_plan.php b/BackupDr/samples/V1/BackupDRClient/get_backup_plan.php
index bafab40279bf..1ecad7b00215 100644
--- a/BackupDr/samples/V1/BackupDRClient/get_backup_plan.php
+++ b/BackupDr/samples/V1/BackupDRClient/get_backup_plan.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/get_backup_plan_association.php b/BackupDr/samples/V1/BackupDRClient/get_backup_plan_association.php
index 9eec0a558560..1d5e69a4b20d 100644
--- a/BackupDr/samples/V1/BackupDRClient/get_backup_plan_association.php
+++ b/BackupDr/samples/V1/BackupDRClient/get_backup_plan_association.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/get_backup_plan_revision.php b/BackupDr/samples/V1/BackupDRClient/get_backup_plan_revision.php
index 0fbd093833ce..2f87bd205443 100644
--- a/BackupDr/samples/V1/BackupDRClient/get_backup_plan_revision.php
+++ b/BackupDr/samples/V1/BackupDRClient/get_backup_plan_revision.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/get_backup_vault.php b/BackupDr/samples/V1/BackupDRClient/get_backup_vault.php
index 7eda9342994a..7fc6dd9f88f9 100644
--- a/BackupDr/samples/V1/BackupDRClient/get_backup_vault.php
+++ b/BackupDr/samples/V1/BackupDRClient/get_backup_vault.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/get_data_source.php b/BackupDr/samples/V1/BackupDRClient/get_data_source.php
index 53f3211d7c1a..4589dd27956c 100644
--- a/BackupDr/samples/V1/BackupDRClient/get_data_source.php
+++ b/BackupDr/samples/V1/BackupDRClient/get_data_source.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/get_data_source_reference.php b/BackupDr/samples/V1/BackupDRClient/get_data_source_reference.php
index 68a36caacf49..b8f631cd461c 100644
--- a/BackupDr/samples/V1/BackupDRClient/get_data_source_reference.php
+++ b/BackupDr/samples/V1/BackupDRClient/get_data_source_reference.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/get_iam_policy.php b/BackupDr/samples/V1/BackupDRClient/get_iam_policy.php
index b2fa1ac08fab..fe148a582c46 100644
--- a/BackupDr/samples/V1/BackupDRClient/get_iam_policy.php
+++ b/BackupDr/samples/V1/BackupDRClient/get_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/get_location.php b/BackupDr/samples/V1/BackupDRClient/get_location.php
index 6e6c3ede82e1..50af54544d18 100644
--- a/BackupDr/samples/V1/BackupDRClient/get_location.php
+++ b/BackupDr/samples/V1/BackupDRClient/get_location.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/get_management_server.php b/BackupDr/samples/V1/BackupDRClient/get_management_server.php
index f7fa6231f8c0..4ee7463e2064 100644
--- a/BackupDr/samples/V1/BackupDRClient/get_management_server.php
+++ b/BackupDr/samples/V1/BackupDRClient/get_management_server.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/initialize_service.php b/BackupDr/samples/V1/BackupDRClient/initialize_service.php
index 4d5633e4e9ca..baaf67a5b2ab 100644
--- a/BackupDr/samples/V1/BackupDRClient/initialize_service.php
+++ b/BackupDr/samples/V1/BackupDRClient/initialize_service.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/list_backup_plan_associations.php b/BackupDr/samples/V1/BackupDRClient/list_backup_plan_associations.php
index 8f286295c44b..265c9c40859d 100644
--- a/BackupDr/samples/V1/BackupDRClient/list_backup_plan_associations.php
+++ b/BackupDr/samples/V1/BackupDRClient/list_backup_plan_associations.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/list_backup_plan_revisions.php b/BackupDr/samples/V1/BackupDRClient/list_backup_plan_revisions.php
index dd67550141b7..4b4ef661f940 100644
--- a/BackupDr/samples/V1/BackupDRClient/list_backup_plan_revisions.php
+++ b/BackupDr/samples/V1/BackupDRClient/list_backup_plan_revisions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/list_backup_plans.php b/BackupDr/samples/V1/BackupDRClient/list_backup_plans.php
index 7e5f8ceee6a8..e8112054db03 100644
--- a/BackupDr/samples/V1/BackupDRClient/list_backup_plans.php
+++ b/BackupDr/samples/V1/BackupDRClient/list_backup_plans.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/list_backup_vaults.php b/BackupDr/samples/V1/BackupDRClient/list_backup_vaults.php
index 3ebc85f7ddef..b0215b384b3d 100644
--- a/BackupDr/samples/V1/BackupDRClient/list_backup_vaults.php
+++ b/BackupDr/samples/V1/BackupDRClient/list_backup_vaults.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/list_backups.php b/BackupDr/samples/V1/BackupDRClient/list_backups.php
index def0a0a36513..0ff64c36bbc3 100644
--- a/BackupDr/samples/V1/BackupDRClient/list_backups.php
+++ b/BackupDr/samples/V1/BackupDRClient/list_backups.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/list_data_source_references.php b/BackupDr/samples/V1/BackupDRClient/list_data_source_references.php
index 0e9031d96eaf..5cd166ff886e 100644
--- a/BackupDr/samples/V1/BackupDRClient/list_data_source_references.php
+++ b/BackupDr/samples/V1/BackupDRClient/list_data_source_references.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/list_data_sources.php b/BackupDr/samples/V1/BackupDRClient/list_data_sources.php
index 833e650fed27..569908abc6be 100644
--- a/BackupDr/samples/V1/BackupDRClient/list_data_sources.php
+++ b/BackupDr/samples/V1/BackupDRClient/list_data_sources.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/list_locations.php b/BackupDr/samples/V1/BackupDRClient/list_locations.php
index baacf567a7fa..cda0f38016b5 100644
--- a/BackupDr/samples/V1/BackupDRClient/list_locations.php
+++ b/BackupDr/samples/V1/BackupDRClient/list_locations.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/list_management_servers.php b/BackupDr/samples/V1/BackupDRClient/list_management_servers.php
index c1a2219808e9..e8498813df2e 100644
--- a/BackupDr/samples/V1/BackupDRClient/list_management_servers.php
+++ b/BackupDr/samples/V1/BackupDRClient/list_management_servers.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/restore_backup.php b/BackupDr/samples/V1/BackupDRClient/restore_backup.php
index 6a6199b2a611..9d923ceb8a6d 100644
--- a/BackupDr/samples/V1/BackupDRClient/restore_backup.php
+++ b/BackupDr/samples/V1/BackupDRClient/restore_backup.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/set_iam_policy.php b/BackupDr/samples/V1/BackupDRClient/set_iam_policy.php
index f81a40eb5c43..3c23ce5a3770 100644
--- a/BackupDr/samples/V1/BackupDRClient/set_iam_policy.php
+++ b/BackupDr/samples/V1/BackupDRClient/set_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/test_iam_permissions.php b/BackupDr/samples/V1/BackupDRClient/test_iam_permissions.php
index b3e9c6c1834e..fb4a7ccc7c0f 100644
--- a/BackupDr/samples/V1/BackupDRClient/test_iam_permissions.php
+++ b/BackupDr/samples/V1/BackupDRClient/test_iam_permissions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/trigger_backup.php b/BackupDr/samples/V1/BackupDRClient/trigger_backup.php
index e5d82046cf0e..663584644a14 100644
--- a/BackupDr/samples/V1/BackupDRClient/trigger_backup.php
+++ b/BackupDr/samples/V1/BackupDRClient/trigger_backup.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/update_backup.php b/BackupDr/samples/V1/BackupDRClient/update_backup.php
index 0986bd437465..af0c04aa3ab0 100644
--- a/BackupDr/samples/V1/BackupDRClient/update_backup.php
+++ b/BackupDr/samples/V1/BackupDRClient/update_backup.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/update_backup_plan.php b/BackupDr/samples/V1/BackupDRClient/update_backup_plan.php
index 6b74d372bb71..bf42bdcdf1c5 100644
--- a/BackupDr/samples/V1/BackupDRClient/update_backup_plan.php
+++ b/BackupDr/samples/V1/BackupDRClient/update_backup_plan.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/update_backup_plan_association.php b/BackupDr/samples/V1/BackupDRClient/update_backup_plan_association.php
index 4f4c3cae0981..7774e48a22b3 100644
--- a/BackupDr/samples/V1/BackupDRClient/update_backup_plan_association.php
+++ b/BackupDr/samples/V1/BackupDRClient/update_backup_plan_association.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/update_backup_vault.php b/BackupDr/samples/V1/BackupDRClient/update_backup_vault.php
index 6cc6d590003a..eabb15cc4093 100644
--- a/BackupDr/samples/V1/BackupDRClient/update_backup_vault.php
+++ b/BackupDr/samples/V1/BackupDRClient/update_backup_vault.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/samples/V1/BackupDRClient/update_data_source.php b/BackupDr/samples/V1/BackupDRClient/update_data_source.php
index e62566e4e330..6d8f6a48fd39 100644
--- a/BackupDr/samples/V1/BackupDRClient/update_data_source.php
+++ b/BackupDr/samples/V1/BackupDRClient/update_data_source.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/src/V1/Client/BackupDRClient.php b/BackupDr/src/V1/Client/BackupDRClient.php
index 5286c24e4a73..26b7ad168fb1 100644
--- a/BackupDr/src/V1/Client/BackupDRClient.php
+++ b/BackupDr/src/V1/Client/BackupDRClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/src/V1/resources/backup_dr_descriptor_config.php b/BackupDr/src/V1/resources/backup_dr_descriptor_config.php
index 057b060ee86b..534a39258e72 100644
--- a/BackupDr/src/V1/resources/backup_dr_descriptor_config.php
+++ b/BackupDr/src/V1/resources/backup_dr_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/src/V1/resources/backup_dr_rest_client_config.php b/BackupDr/src/V1/resources/backup_dr_rest_client_config.php
index aceeb42e4548..f97ebc993d4a 100644
--- a/BackupDr/src/V1/resources/backup_dr_rest_client_config.php
+++ b/BackupDr/src/V1/resources/backup_dr_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BackupDr/tests/Unit/V1/Client/BackupDRClientTest.php b/BackupDr/tests/Unit/V1/Client/BackupDRClientTest.php
index 8532f68eb6e6..e5941318bf57 100644
--- a/BackupDr/tests/Unit/V1/Client/BackupDRClientTest.php
+++ b/BackupDr/tests/Unit/V1/Client/BackupDRClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/owlbot.py b/BareMetalSolution/owlbot.py
index 29923a2d480d..6ff41fcdbd24 100644
--- a/BareMetalSolution/owlbot.py
+++ b/BareMetalSolution/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/create_nfs_share.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/create_nfs_share.php
index 661af51f243a..760e7dcd81b6 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/create_nfs_share.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/create_nfs_share.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/create_provisioning_config.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/create_provisioning_config.php
index 43e8e4cc475f..0a0a463fbb50 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/create_provisioning_config.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/create_provisioning_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/create_ssh_key.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/create_ssh_key.php
index 9d1ef00336b2..fbac32cdf470 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/create_ssh_key.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/create_ssh_key.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/create_volume_snapshot.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/create_volume_snapshot.php
index ae118c4dc08c..aff4dc0de734 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/create_volume_snapshot.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/create_volume_snapshot.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/delete_nfs_share.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/delete_nfs_share.php
index c5f45f48a687..cc6c752a0600 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/delete_nfs_share.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/delete_nfs_share.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/delete_ssh_key.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/delete_ssh_key.php
index 2086cca3c3fa..e1612d4e8760 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/delete_ssh_key.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/delete_ssh_key.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/delete_volume_snapshot.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/delete_volume_snapshot.php
index 07020de733c8..2079e56aa591 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/delete_volume_snapshot.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/delete_volume_snapshot.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/detach_lun.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/detach_lun.php
index 0c6d33e02c83..71b8a547b77e 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/detach_lun.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/detach_lun.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/disable_interactive_serial_console.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/disable_interactive_serial_console.php
index 6c27206068ff..e10d9246d027 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/disable_interactive_serial_console.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/disable_interactive_serial_console.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/enable_interactive_serial_console.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/enable_interactive_serial_console.php
index daad539645a7..890e2f7c3473 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/enable_interactive_serial_console.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/enable_interactive_serial_console.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/evict_lun.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/evict_lun.php
index 3a18b618c951..952c5dfce7fc 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/evict_lun.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/evict_lun.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/evict_volume.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/evict_volume.php
index d4a9e1a4e60d..fb0fa297ef59 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/evict_volume.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/evict_volume.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_instance.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_instance.php
index 48c31fef99b6..009749247df9 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_instance.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_instance.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_location.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_location.php
index 57b259181618..6d413101d8d7 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_location.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_location.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_lun.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_lun.php
index a63216883ffa..54af43465e1f 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_lun.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_lun.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_network.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_network.php
index d2b6e29b05c9..612a2f2416b2 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_network.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_network.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_nfs_share.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_nfs_share.php
index ef5c5a017680..8c0a969e4910 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_nfs_share.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_nfs_share.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_provisioning_config.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_provisioning_config.php
index b59460182590..3289f72d2b93 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_provisioning_config.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_provisioning_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_volume.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_volume.php
index 2d648eda69b4..6c3d3afeeefc 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_volume.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_volume.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_volume_snapshot.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_volume_snapshot.php
index 203d3849805e..1457a445fe71 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_volume_snapshot.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/get_volume_snapshot.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_instances.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_instances.php
index 37d1bc492499..fc15a717841f 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_instances.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_instances.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_locations.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_locations.php
index f66284c1d484..2f389433b73f 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_locations.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_locations.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_luns.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_luns.php
index 3d4d2762b84a..09977b7763a2 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_luns.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_luns.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_network_usage.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_network_usage.php
index c19e50064006..67c196ecb789 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_network_usage.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_network_usage.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_networks.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_networks.php
index 2a587ec841b1..2a7441b12d89 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_networks.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_networks.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_nfs_shares.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_nfs_shares.php
index 099316c04aab..9d34baf63302 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_nfs_shares.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_nfs_shares.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_os_images.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_os_images.php
index 8f8ac047d81d..42463672ffdd 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_os_images.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_os_images.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_provisioning_quotas.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_provisioning_quotas.php
index 6cffc9894fb0..f8b29c0b5898 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_provisioning_quotas.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_provisioning_quotas.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_ssh_keys.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_ssh_keys.php
index de83bdc7f876..6816ea55b080 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_ssh_keys.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_ssh_keys.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_volume_snapshots.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_volume_snapshots.php
index 2bc8775de7b1..b18f3e6dbe47 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_volume_snapshots.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_volume_snapshots.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_volumes.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_volumes.php
index ff93f6dc6f3e..f5355f5480e7 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_volumes.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/list_volumes.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/rename_instance.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/rename_instance.php
index 1cc7c6a7bf03..60fcf02c8e04 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/rename_instance.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/rename_instance.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/rename_network.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/rename_network.php
index 6e4b232e8cc7..3f369d3e1f59 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/rename_network.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/rename_network.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/rename_nfs_share.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/rename_nfs_share.php
index 307da06b25fb..5fec47d04b77 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/rename_nfs_share.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/rename_nfs_share.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/rename_volume.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/rename_volume.php
index faec41683bf4..e3ee9a4ef9a7 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/rename_volume.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/rename_volume.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/reset_instance.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/reset_instance.php
index ca2f975dc539..64bd879d6d74 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/reset_instance.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/reset_instance.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/resize_volume.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/resize_volume.php
index b70e3c59c86c..958f6c0e1ee4 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/resize_volume.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/resize_volume.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/restore_volume_snapshot.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/restore_volume_snapshot.php
index 1f4a6dc1a887..eb1008328a01 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/restore_volume_snapshot.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/restore_volume_snapshot.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/start_instance.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/start_instance.php
index 575ea412e818..11803299cd95 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/start_instance.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/start_instance.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/stop_instance.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/stop_instance.php
index 2d53458a921f..7c0a8e0d1d9a 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/stop_instance.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/stop_instance.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/submit_provisioning_config.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/submit_provisioning_config.php
index 93d7fc78d48d..55a613210abe 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/submit_provisioning_config.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/submit_provisioning_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_instance.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_instance.php
index 61d2289e3118..bb4f8dad6c9c 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_instance.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_instance.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_network.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_network.php
index b5ef51b12583..f6244125fe23 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_network.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_network.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_nfs_share.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_nfs_share.php
index 46e316450ed6..7de613957ba0 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_nfs_share.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_nfs_share.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_provisioning_config.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_provisioning_config.php
index bdd5b1dcc1f0..94dd6ee0a3b9 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_provisioning_config.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_provisioning_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_volume.php b/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_volume.php
index 66065b9c3b7d..f6edb36edbdc 100644
--- a/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_volume.php
+++ b/BareMetalSolution/samples/V2/BareMetalSolutionClient/update_volume.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/src/V2/Client/BareMetalSolutionClient.php b/BareMetalSolution/src/V2/Client/BareMetalSolutionClient.php
index 3e5454b8bae4..9f44abc5da6d 100644
--- a/BareMetalSolution/src/V2/Client/BareMetalSolutionClient.php
+++ b/BareMetalSolution/src/V2/Client/BareMetalSolutionClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/src/V2/resources/bare_metal_solution_descriptor_config.php b/BareMetalSolution/src/V2/resources/bare_metal_solution_descriptor_config.php
index 343411549094..31f6cddc9f56 100644
--- a/BareMetalSolution/src/V2/resources/bare_metal_solution_descriptor_config.php
+++ b/BareMetalSolution/src/V2/resources/bare_metal_solution_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/src/V2/resources/bare_metal_solution_rest_client_config.php b/BareMetalSolution/src/V2/resources/bare_metal_solution_rest_client_config.php
index 38b7716b99b6..80c7169a15b0 100644
--- a/BareMetalSolution/src/V2/resources/bare_metal_solution_rest_client_config.php
+++ b/BareMetalSolution/src/V2/resources/bare_metal_solution_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BareMetalSolution/tests/Unit/V2/Client/BareMetalSolutionClientTest.php b/BareMetalSolution/tests/Unit/V2/Client/BareMetalSolutionClientTest.php
index 59fe87610a81..f32aed4619ec 100644
--- a/BareMetalSolution/tests/Unit/V2/Client/BareMetalSolutionClientTest.php
+++ b/BareMetalSolution/tests/Unit/V2/Client/BareMetalSolutionClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Batch/owlbot.py b/Batch/owlbot.py
index f3fc1866b9a6..a39db82395e3 100644
--- a/Batch/owlbot.py
+++ b/Batch/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/Batch/samples/V1/BatchServiceClient/cancel_job.php b/Batch/samples/V1/BatchServiceClient/cancel_job.php
index a91dc96bdffc..b15994dd4294 100644
--- a/Batch/samples/V1/BatchServiceClient/cancel_job.php
+++ b/Batch/samples/V1/BatchServiceClient/cancel_job.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Batch/samples/V1/BatchServiceClient/create_job.php b/Batch/samples/V1/BatchServiceClient/create_job.php
index 934c0ac7a216..cf86a10eabfc 100644
--- a/Batch/samples/V1/BatchServiceClient/create_job.php
+++ b/Batch/samples/V1/BatchServiceClient/create_job.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Batch/samples/V1/BatchServiceClient/delete_job.php b/Batch/samples/V1/BatchServiceClient/delete_job.php
index 77f3076ec644..8cb4cf78f6b8 100644
--- a/Batch/samples/V1/BatchServiceClient/delete_job.php
+++ b/Batch/samples/V1/BatchServiceClient/delete_job.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Batch/samples/V1/BatchServiceClient/get_job.php b/Batch/samples/V1/BatchServiceClient/get_job.php
index 1214ecab96f4..d9abe0e40483 100644
--- a/Batch/samples/V1/BatchServiceClient/get_job.php
+++ b/Batch/samples/V1/BatchServiceClient/get_job.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Batch/samples/V1/BatchServiceClient/get_location.php b/Batch/samples/V1/BatchServiceClient/get_location.php
index 9c4f203431bb..b04e2838f1bb 100644
--- a/Batch/samples/V1/BatchServiceClient/get_location.php
+++ b/Batch/samples/V1/BatchServiceClient/get_location.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Batch/samples/V1/BatchServiceClient/get_task.php b/Batch/samples/V1/BatchServiceClient/get_task.php
index 5ef1d86cd668..91348f5db575 100644
--- a/Batch/samples/V1/BatchServiceClient/get_task.php
+++ b/Batch/samples/V1/BatchServiceClient/get_task.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Batch/samples/V1/BatchServiceClient/list_jobs.php b/Batch/samples/V1/BatchServiceClient/list_jobs.php
index 4113b01dae98..3aed1a941f43 100644
--- a/Batch/samples/V1/BatchServiceClient/list_jobs.php
+++ b/Batch/samples/V1/BatchServiceClient/list_jobs.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Batch/samples/V1/BatchServiceClient/list_locations.php b/Batch/samples/V1/BatchServiceClient/list_locations.php
index e7a3e0bf7f06..aa1dfeb760e1 100644
--- a/Batch/samples/V1/BatchServiceClient/list_locations.php
+++ b/Batch/samples/V1/BatchServiceClient/list_locations.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Batch/samples/V1/BatchServiceClient/list_tasks.php b/Batch/samples/V1/BatchServiceClient/list_tasks.php
index 66aa3eec1521..4477befbbf62 100644
--- a/Batch/samples/V1/BatchServiceClient/list_tasks.php
+++ b/Batch/samples/V1/BatchServiceClient/list_tasks.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Batch/src/V1/Client/BatchServiceClient.php b/Batch/src/V1/Client/BatchServiceClient.php
index 96630a97e090..dfaff20d8e79 100644
--- a/Batch/src/V1/Client/BatchServiceClient.php
+++ b/Batch/src/V1/Client/BatchServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Batch/src/V1/resources/batch_service_descriptor_config.php b/Batch/src/V1/resources/batch_service_descriptor_config.php
index 6b7ef199f344..17f276071c6d 100644
--- a/Batch/src/V1/resources/batch_service_descriptor_config.php
+++ b/Batch/src/V1/resources/batch_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Batch/src/V1/resources/batch_service_rest_client_config.php b/Batch/src/V1/resources/batch_service_rest_client_config.php
index d2d2984eab05..2b9154386fcd 100644
--- a/Batch/src/V1/resources/batch_service_rest_client_config.php
+++ b/Batch/src/V1/resources/batch_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Batch/tests/Unit/V1/Client/BatchServiceClientTest.php b/Batch/tests/Unit/V1/Client/BatchServiceClientTest.php
index eed56cd643f0..291fa4a9a11b 100644
--- a/Batch/tests/Unit/V1/Client/BatchServiceClientTest.php
+++ b/Batch/tests/Unit/V1/Client/BatchServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnections/owlbot.py b/BeyondCorpAppConnections/owlbot.py
index ea80c2a82b50..148e4e25d835 100644
--- a/BeyondCorpAppConnections/owlbot.py
+++ b/BeyondCorpAppConnections/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/create_app_connection.php b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/create_app_connection.php
index 221fd47b0158..90913c0008a4 100644
--- a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/create_app_connection.php
+++ b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/create_app_connection.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/delete_app_connection.php b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/delete_app_connection.php
index 402dcc877cdf..99f2e1780009 100644
--- a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/delete_app_connection.php
+++ b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/delete_app_connection.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/get_app_connection.php b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/get_app_connection.php
index c5aa488fb4bc..437dbcaa30a4 100644
--- a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/get_app_connection.php
+++ b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/get_app_connection.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/get_iam_policy.php b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/get_iam_policy.php
index 63cea116ed2c..4820088ceea3 100644
--- a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/get_iam_policy.php
+++ b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/get_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/get_location.php b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/get_location.php
index dbf101df5735..54b14a4ce292 100644
--- a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/get_location.php
+++ b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/get_location.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/list_app_connections.php b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/list_app_connections.php
index b82bce085b23..6565c1122f78 100644
--- a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/list_app_connections.php
+++ b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/list_app_connections.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/list_locations.php b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/list_locations.php
index b56ae1c1958f..b8445a12862e 100644
--- a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/list_locations.php
+++ b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/list_locations.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/resolve_app_connections.php b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/resolve_app_connections.php
index dc13d13543ea..0d31e4212061 100644
--- a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/resolve_app_connections.php
+++ b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/resolve_app_connections.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/set_iam_policy.php b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/set_iam_policy.php
index 3ea18d1e2ad5..bc568a3f6610 100644
--- a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/set_iam_policy.php
+++ b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/set_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/test_iam_permissions.php b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/test_iam_permissions.php
index b5f465b3a4c0..a90658d7a86a 100644
--- a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/test_iam_permissions.php
+++ b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/test_iam_permissions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/update_app_connection.php b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/update_app_connection.php
index 98bf10f2dd9b..4d72de19b6b4 100644
--- a/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/update_app_connection.php
+++ b/BeyondCorpAppConnections/samples/V1/AppConnectionsServiceClient/update_app_connection.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnections/src/V1/Client/AppConnectionsServiceClient.php b/BeyondCorpAppConnections/src/V1/Client/AppConnectionsServiceClient.php
index c5c63f94219b..4275568145ed 100644
--- a/BeyondCorpAppConnections/src/V1/Client/AppConnectionsServiceClient.php
+++ b/BeyondCorpAppConnections/src/V1/Client/AppConnectionsServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnections/src/V1/resources/app_connections_service_descriptor_config.php b/BeyondCorpAppConnections/src/V1/resources/app_connections_service_descriptor_config.php
index 2362b01c1024..bd22dec4739f 100644
--- a/BeyondCorpAppConnections/src/V1/resources/app_connections_service_descriptor_config.php
+++ b/BeyondCorpAppConnections/src/V1/resources/app_connections_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnections/src/V1/resources/app_connections_service_rest_client_config.php b/BeyondCorpAppConnections/src/V1/resources/app_connections_service_rest_client_config.php
index ddb0a23de5ad..2175bd418fc4 100644
--- a/BeyondCorpAppConnections/src/V1/resources/app_connections_service_rest_client_config.php
+++ b/BeyondCorpAppConnections/src/V1/resources/app_connections_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnections/tests/Unit/V1/Client/AppConnectionsServiceClientTest.php b/BeyondCorpAppConnections/tests/Unit/V1/Client/AppConnectionsServiceClientTest.php
index 288bac22f3e9..243bb4cf2eb8 100644
--- a/BeyondCorpAppConnections/tests/Unit/V1/Client/AppConnectionsServiceClientTest.php
+++ b/BeyondCorpAppConnections/tests/Unit/V1/Client/AppConnectionsServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnectors/owlbot.py b/BeyondCorpAppConnectors/owlbot.py
index c5f037613cde..e4b05bb1c038 100644
--- a/BeyondCorpAppConnectors/owlbot.py
+++ b/BeyondCorpAppConnectors/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/create_app_connector.php b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/create_app_connector.php
index 7c3dfa1f4529..fa7993fdde33 100644
--- a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/create_app_connector.php
+++ b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/create_app_connector.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/delete_app_connector.php b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/delete_app_connector.php
index 55b4c09ec420..6d9e70e7ef63 100644
--- a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/delete_app_connector.php
+++ b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/delete_app_connector.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/get_app_connector.php b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/get_app_connector.php
index 69769d7d5b5f..29a4036f60b2 100644
--- a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/get_app_connector.php
+++ b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/get_app_connector.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/get_iam_policy.php b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/get_iam_policy.php
index 009a60d623ce..b723ff5ef8c1 100644
--- a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/get_iam_policy.php
+++ b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/get_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/get_location.php b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/get_location.php
index 5943c7c4d8d7..9fe2bdf658fc 100644
--- a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/get_location.php
+++ b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/get_location.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/list_app_connectors.php b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/list_app_connectors.php
index 18aa53568a68..50b677007907 100644
--- a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/list_app_connectors.php
+++ b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/list_app_connectors.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/list_locations.php b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/list_locations.php
index d1d9ce37dedc..aee2146bda56 100644
--- a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/list_locations.php
+++ b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/list_locations.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/report_status.php b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/report_status.php
index fc566ebf071c..ea554e7f6427 100644
--- a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/report_status.php
+++ b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/report_status.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/set_iam_policy.php b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/set_iam_policy.php
index a5c3cae36050..6fe8656f7cae 100644
--- a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/set_iam_policy.php
+++ b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/set_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/test_iam_permissions.php b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/test_iam_permissions.php
index cfe66446c816..32d8874559b9 100644
--- a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/test_iam_permissions.php
+++ b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/test_iam_permissions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/update_app_connector.php b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/update_app_connector.php
index 9ee772214c0f..5891228687de 100644
--- a/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/update_app_connector.php
+++ b/BeyondCorpAppConnectors/samples/V1/AppConnectorsServiceClient/update_app_connector.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnectors/src/V1/Client/AppConnectorsServiceClient.php b/BeyondCorpAppConnectors/src/V1/Client/AppConnectorsServiceClient.php
index 28df54487d29..77e87df3bd97 100644
--- a/BeyondCorpAppConnectors/src/V1/Client/AppConnectorsServiceClient.php
+++ b/BeyondCorpAppConnectors/src/V1/Client/AppConnectorsServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnectors/src/V1/resources/app_connectors_service_descriptor_config.php b/BeyondCorpAppConnectors/src/V1/resources/app_connectors_service_descriptor_config.php
index 6de05317288a..afc8d06c555f 100644
--- a/BeyondCorpAppConnectors/src/V1/resources/app_connectors_service_descriptor_config.php
+++ b/BeyondCorpAppConnectors/src/V1/resources/app_connectors_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnectors/src/V1/resources/app_connectors_service_rest_client_config.php b/BeyondCorpAppConnectors/src/V1/resources/app_connectors_service_rest_client_config.php
index 4eb4516f5c91..438a3f7b7661 100644
--- a/BeyondCorpAppConnectors/src/V1/resources/app_connectors_service_rest_client_config.php
+++ b/BeyondCorpAppConnectors/src/V1/resources/app_connectors_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppConnectors/tests/Unit/V1/Client/AppConnectorsServiceClientTest.php b/BeyondCorpAppConnectors/tests/Unit/V1/Client/AppConnectorsServiceClientTest.php
index 321471794753..15d7b4ac3c89 100644
--- a/BeyondCorpAppConnectors/tests/Unit/V1/Client/AppConnectorsServiceClientTest.php
+++ b/BeyondCorpAppConnectors/tests/Unit/V1/Client/AppConnectorsServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppGateways/owlbot.py b/BeyondCorpAppGateways/owlbot.py
index 2e0840dbdf1b..14318d77cd82 100644
--- a/BeyondCorpAppGateways/owlbot.py
+++ b/BeyondCorpAppGateways/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/create_app_gateway.php b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/create_app_gateway.php
index 4b72dae2fbf9..e91e4f7c2581 100644
--- a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/create_app_gateway.php
+++ b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/create_app_gateway.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/delete_app_gateway.php b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/delete_app_gateway.php
index a543f2934ce2..e8cf8581ab08 100644
--- a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/delete_app_gateway.php
+++ b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/delete_app_gateway.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/get_app_gateway.php b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/get_app_gateway.php
index 2259c5dede81..12bfc18c6a3c 100644
--- a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/get_app_gateway.php
+++ b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/get_app_gateway.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/get_iam_policy.php b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/get_iam_policy.php
index 524958b3eda8..cdfb52b17232 100644
--- a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/get_iam_policy.php
+++ b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/get_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/get_location.php b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/get_location.php
index ee642ec9305d..288ac677a21e 100644
--- a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/get_location.php
+++ b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/get_location.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/list_app_gateways.php b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/list_app_gateways.php
index 19e873c5adcf..bfa4d3aac8fd 100644
--- a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/list_app_gateways.php
+++ b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/list_app_gateways.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/list_locations.php b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/list_locations.php
index 5cc04ee4f650..cb225219bfa5 100644
--- a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/list_locations.php
+++ b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/list_locations.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/set_iam_policy.php b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/set_iam_policy.php
index eab4cf3de684..7cb416eab4b4 100644
--- a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/set_iam_policy.php
+++ b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/set_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/test_iam_permissions.php b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/test_iam_permissions.php
index 0255a7bdbce0..13ee55153672 100644
--- a/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/test_iam_permissions.php
+++ b/BeyondCorpAppGateways/samples/V1/AppGatewaysServiceClient/test_iam_permissions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppGateways/src/V1/Client/AppGatewaysServiceClient.php b/BeyondCorpAppGateways/src/V1/Client/AppGatewaysServiceClient.php
index 029ead9ff2f0..1b127c5630ef 100644
--- a/BeyondCorpAppGateways/src/V1/Client/AppGatewaysServiceClient.php
+++ b/BeyondCorpAppGateways/src/V1/Client/AppGatewaysServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppGateways/src/V1/resources/app_gateways_service_descriptor_config.php b/BeyondCorpAppGateways/src/V1/resources/app_gateways_service_descriptor_config.php
index 8100e79b67a2..ecfe14752b41 100644
--- a/BeyondCorpAppGateways/src/V1/resources/app_gateways_service_descriptor_config.php
+++ b/BeyondCorpAppGateways/src/V1/resources/app_gateways_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppGateways/src/V1/resources/app_gateways_service_rest_client_config.php b/BeyondCorpAppGateways/src/V1/resources/app_gateways_service_rest_client_config.php
index b1d9ab39bc31..c610928f6f4f 100644
--- a/BeyondCorpAppGateways/src/V1/resources/app_gateways_service_rest_client_config.php
+++ b/BeyondCorpAppGateways/src/V1/resources/app_gateways_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpAppGateways/tests/Unit/V1/Client/AppGatewaysServiceClientTest.php b/BeyondCorpAppGateways/tests/Unit/V1/Client/AppGatewaysServiceClientTest.php
index 25763d771798..a90bde1345ba 100644
--- a/BeyondCorpAppGateways/tests/Unit/V1/Client/AppGatewaysServiceClientTest.php
+++ b/BeyondCorpAppGateways/tests/Unit/V1/Client/AppGatewaysServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientConnectorServices/owlbot.py b/BeyondCorpClientConnectorServices/owlbot.py
index 464173539d3a..82bcc3a817bd 100644
--- a/BeyondCorpClientConnectorServices/owlbot.py
+++ b/BeyondCorpClientConnectorServices/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/create_client_connector_service.php b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/create_client_connector_service.php
index bf80bd33f586..e6326a3b5281 100644
--- a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/create_client_connector_service.php
+++ b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/create_client_connector_service.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/delete_client_connector_service.php b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/delete_client_connector_service.php
index df7d34e8d718..9b1291377732 100644
--- a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/delete_client_connector_service.php
+++ b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/delete_client_connector_service.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/get_client_connector_service.php b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/get_client_connector_service.php
index 7f2adcc6cb9d..176286a56565 100644
--- a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/get_client_connector_service.php
+++ b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/get_client_connector_service.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/get_iam_policy.php b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/get_iam_policy.php
index e24c458373e7..1ab1df8d789a 100644
--- a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/get_iam_policy.php
+++ b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/get_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/get_location.php b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/get_location.php
index 7b7e2d64f08b..46e83453f5c4 100644
--- a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/get_location.php
+++ b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/get_location.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/list_client_connector_services.php b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/list_client_connector_services.php
index 8ac8cf783ffa..8529ab5d73ff 100644
--- a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/list_client_connector_services.php
+++ b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/list_client_connector_services.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/list_locations.php b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/list_locations.php
index 8107e78c6720..4ccd4923451c 100644
--- a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/list_locations.php
+++ b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/list_locations.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/set_iam_policy.php b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/set_iam_policy.php
index 2904cc5e18fa..9bf19af4cc46 100644
--- a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/set_iam_policy.php
+++ b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/set_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/test_iam_permissions.php b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/test_iam_permissions.php
index 4f6b0e02f3c4..f97e0f0032a4 100644
--- a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/test_iam_permissions.php
+++ b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/test_iam_permissions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/update_client_connector_service.php b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/update_client_connector_service.php
index 96ec12eb14b5..fb8127ff00a4 100644
--- a/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/update_client_connector_service.php
+++ b/BeyondCorpClientConnectorServices/samples/V1/ClientConnectorServicesServiceClient/update_client_connector_service.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientConnectorServices/src/V1/Client/ClientConnectorServicesServiceClient.php b/BeyondCorpClientConnectorServices/src/V1/Client/ClientConnectorServicesServiceClient.php
index 8bc607613da2..7da90b3dec2d 100644
--- a/BeyondCorpClientConnectorServices/src/V1/Client/ClientConnectorServicesServiceClient.php
+++ b/BeyondCorpClientConnectorServices/src/V1/Client/ClientConnectorServicesServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientConnectorServices/src/V1/resources/client_connector_services_service_descriptor_config.php b/BeyondCorpClientConnectorServices/src/V1/resources/client_connector_services_service_descriptor_config.php
index 0dbda905ab14..68b9b36985c5 100644
--- a/BeyondCorpClientConnectorServices/src/V1/resources/client_connector_services_service_descriptor_config.php
+++ b/BeyondCorpClientConnectorServices/src/V1/resources/client_connector_services_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientConnectorServices/src/V1/resources/client_connector_services_service_rest_client_config.php b/BeyondCorpClientConnectorServices/src/V1/resources/client_connector_services_service_rest_client_config.php
index ae310fcb8790..eaab1eefad3f 100644
--- a/BeyondCorpClientConnectorServices/src/V1/resources/client_connector_services_service_rest_client_config.php
+++ b/BeyondCorpClientConnectorServices/src/V1/resources/client_connector_services_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientConnectorServices/tests/Unit/V1/Client/ClientConnectorServicesServiceClientTest.php b/BeyondCorpClientConnectorServices/tests/Unit/V1/Client/ClientConnectorServicesServiceClientTest.php
index 37aa07c83e7a..7600ab6d4865 100644
--- a/BeyondCorpClientConnectorServices/tests/Unit/V1/Client/ClientConnectorServicesServiceClientTest.php
+++ b/BeyondCorpClientConnectorServices/tests/Unit/V1/Client/ClientConnectorServicesServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientGateways/owlbot.py b/BeyondCorpClientGateways/owlbot.py
index 9fe61f3c32f3..40929fdd3702 100644
--- a/BeyondCorpClientGateways/owlbot.py
+++ b/BeyondCorpClientGateways/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/create_client_gateway.php b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/create_client_gateway.php
index cb7685453f53..78bd36e76694 100644
--- a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/create_client_gateway.php
+++ b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/create_client_gateway.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/delete_client_gateway.php b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/delete_client_gateway.php
index 15e560c4d6b9..03ac872c4798 100644
--- a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/delete_client_gateway.php
+++ b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/delete_client_gateway.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/get_client_gateway.php b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/get_client_gateway.php
index 7cb8f2f2c9dd..7bb1786c9ea5 100644
--- a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/get_client_gateway.php
+++ b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/get_client_gateway.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/get_iam_policy.php b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/get_iam_policy.php
index 920291c8941a..78441530dd3f 100644
--- a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/get_iam_policy.php
+++ b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/get_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/get_location.php b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/get_location.php
index 616db7d03c31..a16652385ca8 100644
--- a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/get_location.php
+++ b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/get_location.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/list_client_gateways.php b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/list_client_gateways.php
index ec65dca4daba..dcf004834880 100644
--- a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/list_client_gateways.php
+++ b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/list_client_gateways.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/list_locations.php b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/list_locations.php
index 2d325c7d13e1..0815bec09d4c 100644
--- a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/list_locations.php
+++ b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/list_locations.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/set_iam_policy.php b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/set_iam_policy.php
index 59b30f76ecc3..b34edd133271 100644
--- a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/set_iam_policy.php
+++ b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/set_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/test_iam_permissions.php b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/test_iam_permissions.php
index 99cece7d81c6..98351d35c240 100644
--- a/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/test_iam_permissions.php
+++ b/BeyondCorpClientGateways/samples/V1/ClientGatewaysServiceClient/test_iam_permissions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientGateways/src/V1/Client/ClientGatewaysServiceClient.php b/BeyondCorpClientGateways/src/V1/Client/ClientGatewaysServiceClient.php
index 91077027a886..dd6d83502e0f 100644
--- a/BeyondCorpClientGateways/src/V1/Client/ClientGatewaysServiceClient.php
+++ b/BeyondCorpClientGateways/src/V1/Client/ClientGatewaysServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientGateways/src/V1/resources/client_gateways_service_descriptor_config.php b/BeyondCorpClientGateways/src/V1/resources/client_gateways_service_descriptor_config.php
index feae5f92322d..30178bd9cef0 100644
--- a/BeyondCorpClientGateways/src/V1/resources/client_gateways_service_descriptor_config.php
+++ b/BeyondCorpClientGateways/src/V1/resources/client_gateways_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientGateways/src/V1/resources/client_gateways_service_rest_client_config.php b/BeyondCorpClientGateways/src/V1/resources/client_gateways_service_rest_client_config.php
index 903cf45ad886..5970c572ef64 100644
--- a/BeyondCorpClientGateways/src/V1/resources/client_gateways_service_rest_client_config.php
+++ b/BeyondCorpClientGateways/src/V1/resources/client_gateways_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BeyondCorpClientGateways/tests/Unit/V1/Client/ClientGatewaysServiceClientTest.php b/BeyondCorpClientGateways/tests/Unit/V1/Client/ClientGatewaysServiceClientTest.php
index 006b33e83390..0ca3e965efef 100644
--- a/BeyondCorpClientGateways/tests/Unit/V1/Client/ClientGatewaysServiceClientTest.php
+++ b/BeyondCorpClientGateways/tests/Unit/V1/Client/ClientGatewaysServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/owlbot.py b/BigQueryAnalyticsHub/owlbot.py
index 0189cd534e6f..f7a36c983bbb 100644
--- a/BigQueryAnalyticsHub/owlbot.py
+++ b/BigQueryAnalyticsHub/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/approve_query_template.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/approve_query_template.php
index 35f5557c4bc3..1ba75e4884b5 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/approve_query_template.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/approve_query_template.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/create_data_exchange.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/create_data_exchange.php
index 5689c4afb534..4bcd4fc26b6d 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/create_data_exchange.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/create_data_exchange.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/create_listing.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/create_listing.php
index f17cbe67c2db..14a1206a8f97 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/create_listing.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/create_listing.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/create_query_template.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/create_query_template.php
index 99c3cc9c0032..39964ec077e6 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/create_query_template.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/create_query_template.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/delete_data_exchange.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/delete_data_exchange.php
index 5a1fc2e61ff6..cad43c6372e2 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/delete_data_exchange.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/delete_data_exchange.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/delete_listing.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/delete_listing.php
index 06a3647c00d7..ebde6c3a1ae7 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/delete_listing.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/delete_listing.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/delete_query_template.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/delete_query_template.php
index 370c4b0e9c13..128d964c9ae1 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/delete_query_template.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/delete_query_template.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/delete_subscription.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/delete_subscription.php
index 41c0f03d1b55..c425d1dce738 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/delete_subscription.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/delete_subscription.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_data_exchange.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_data_exchange.php
index 97228595a5f7..1200d3f6cb8c 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_data_exchange.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_data_exchange.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_iam_policy.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_iam_policy.php
index 80c290c01d3a..3f164b1183c0 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_iam_policy.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_listing.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_listing.php
index 4839ec48c3af..89921527c5a5 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_listing.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_listing.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_query_template.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_query_template.php
index dcb30e275507..2f131f488383 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_query_template.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_query_template.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_subscription.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_subscription.php
index 460d5899fe64..9367ecbd9ad5 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_subscription.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/get_subscription.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_data_exchanges.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_data_exchanges.php
index 9b07d69067c7..5a855eff5324 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_data_exchanges.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_data_exchanges.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_listings.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_listings.php
index b97b787190c6..e8c03df004d9 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_listings.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_listings.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_org_data_exchanges.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_org_data_exchanges.php
index 68a8f8b21af8..0d59cfa6a9ab 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_org_data_exchanges.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_org_data_exchanges.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_query_templates.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_query_templates.php
index 6b26b29f3cbf..bf1ef61f7342 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_query_templates.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_query_templates.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_shared_resource_subscriptions.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_shared_resource_subscriptions.php
index 33b70504cb25..89ce1c3eeeb5 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_shared_resource_subscriptions.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_shared_resource_subscriptions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_subscriptions.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_subscriptions.php
index da3612f968e3..3ae635016679 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_subscriptions.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/list_subscriptions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/refresh_subscription.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/refresh_subscription.php
index 9d348481e30c..9e78343d88f3 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/refresh_subscription.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/refresh_subscription.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/revoke_subscription.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/revoke_subscription.php
index 2bb3c27ff2fa..3d5da5712961 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/revoke_subscription.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/revoke_subscription.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/set_iam_policy.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/set_iam_policy.php
index 06c03c656a50..0bd9b63ac892 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/set_iam_policy.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/set_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/submit_query_template.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/submit_query_template.php
index 8acb86f178a1..ec9a53c34a03 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/submit_query_template.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/submit_query_template.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/subscribe_data_exchange.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/subscribe_data_exchange.php
index 9944f4b72ef5..a58179a64d43 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/subscribe_data_exchange.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/subscribe_data_exchange.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/subscribe_listing.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/subscribe_listing.php
index 17dedb2924a8..23bc8ee1e004 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/subscribe_listing.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/subscribe_listing.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/test_iam_permissions.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/test_iam_permissions.php
index 7df1d9215d93..e277af733a30 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/test_iam_permissions.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/test_iam_permissions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/update_data_exchange.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/update_data_exchange.php
index e2482fefc20b..f9c64d5fa477 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/update_data_exchange.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/update_data_exchange.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/update_listing.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/update_listing.php
index 2f23f51acf28..243f21d925dd 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/update_listing.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/update_listing.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/update_query_template.php b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/update_query_template.php
index 5f8d9bf7f59c..ad5d75b0245f 100644
--- a/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/update_query_template.php
+++ b/BigQueryAnalyticsHub/samples/V1/AnalyticsHubServiceClient/update_query_template.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/src/V1/Client/AnalyticsHubServiceClient.php b/BigQueryAnalyticsHub/src/V1/Client/AnalyticsHubServiceClient.php
index 8cde6c217a4a..ea00cefa945b 100644
--- a/BigQueryAnalyticsHub/src/V1/Client/AnalyticsHubServiceClient.php
+++ b/BigQueryAnalyticsHub/src/V1/Client/AnalyticsHubServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/src/V1/resources/analytics_hub_service_descriptor_config.php b/BigQueryAnalyticsHub/src/V1/resources/analytics_hub_service_descriptor_config.php
index 8ed0d57a0378..8429757a199e 100644
--- a/BigQueryAnalyticsHub/src/V1/resources/analytics_hub_service_descriptor_config.php
+++ b/BigQueryAnalyticsHub/src/V1/resources/analytics_hub_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/src/V1/resources/analytics_hub_service_rest_client_config.php b/BigQueryAnalyticsHub/src/V1/resources/analytics_hub_service_rest_client_config.php
index d712e7fdf2c5..dfbadf2d692f 100644
--- a/BigQueryAnalyticsHub/src/V1/resources/analytics_hub_service_rest_client_config.php
+++ b/BigQueryAnalyticsHub/src/V1/resources/analytics_hub_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryAnalyticsHub/tests/Unit/V1/Client/AnalyticsHubServiceClientTest.php b/BigQueryAnalyticsHub/tests/Unit/V1/Client/AnalyticsHubServiceClientTest.php
index 482887b812fa..ec6e30bbcb50 100644
--- a/BigQueryAnalyticsHub/tests/Unit/V1/Client/AnalyticsHubServiceClientTest.php
+++ b/BigQueryAnalyticsHub/tests/Unit/V1/Client/AnalyticsHubServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryConnection/owlbot.py b/BigQueryConnection/owlbot.py
index 6cbe13f0d1ed..45204236aa41 100644
--- a/BigQueryConnection/owlbot.py
+++ b/BigQueryConnection/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/BigQueryConnection/samples/V1/ConnectionServiceClient/create_connection.php b/BigQueryConnection/samples/V1/ConnectionServiceClient/create_connection.php
index e12d15976502..aa5602d90711 100644
--- a/BigQueryConnection/samples/V1/ConnectionServiceClient/create_connection.php
+++ b/BigQueryConnection/samples/V1/ConnectionServiceClient/create_connection.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryConnection/samples/V1/ConnectionServiceClient/delete_connection.php b/BigQueryConnection/samples/V1/ConnectionServiceClient/delete_connection.php
index 0535bf1f600e..e8e8ec8bf581 100644
--- a/BigQueryConnection/samples/V1/ConnectionServiceClient/delete_connection.php
+++ b/BigQueryConnection/samples/V1/ConnectionServiceClient/delete_connection.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryConnection/samples/V1/ConnectionServiceClient/get_connection.php b/BigQueryConnection/samples/V1/ConnectionServiceClient/get_connection.php
index 6b8f55a4254e..d57bc77c60a0 100644
--- a/BigQueryConnection/samples/V1/ConnectionServiceClient/get_connection.php
+++ b/BigQueryConnection/samples/V1/ConnectionServiceClient/get_connection.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryConnection/samples/V1/ConnectionServiceClient/get_iam_policy.php b/BigQueryConnection/samples/V1/ConnectionServiceClient/get_iam_policy.php
index a9a9035d4e79..50c3cb860d9b 100644
--- a/BigQueryConnection/samples/V1/ConnectionServiceClient/get_iam_policy.php
+++ b/BigQueryConnection/samples/V1/ConnectionServiceClient/get_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryConnection/samples/V1/ConnectionServiceClient/list_connections.php b/BigQueryConnection/samples/V1/ConnectionServiceClient/list_connections.php
index c7b681810793..95e8c2952f5d 100644
--- a/BigQueryConnection/samples/V1/ConnectionServiceClient/list_connections.php
+++ b/BigQueryConnection/samples/V1/ConnectionServiceClient/list_connections.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryConnection/samples/V1/ConnectionServiceClient/set_iam_policy.php b/BigQueryConnection/samples/V1/ConnectionServiceClient/set_iam_policy.php
index 59651d78b603..f849601f829a 100644
--- a/BigQueryConnection/samples/V1/ConnectionServiceClient/set_iam_policy.php
+++ b/BigQueryConnection/samples/V1/ConnectionServiceClient/set_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryConnection/samples/V1/ConnectionServiceClient/test_iam_permissions.php b/BigQueryConnection/samples/V1/ConnectionServiceClient/test_iam_permissions.php
index a4ed98ce57ed..921dd3a11bc1 100644
--- a/BigQueryConnection/samples/V1/ConnectionServiceClient/test_iam_permissions.php
+++ b/BigQueryConnection/samples/V1/ConnectionServiceClient/test_iam_permissions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryConnection/samples/V1/ConnectionServiceClient/update_connection.php b/BigQueryConnection/samples/V1/ConnectionServiceClient/update_connection.php
index 66e39111a02c..2b051a50ff09 100644
--- a/BigQueryConnection/samples/V1/ConnectionServiceClient/update_connection.php
+++ b/BigQueryConnection/samples/V1/ConnectionServiceClient/update_connection.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryConnection/src/V1/Client/ConnectionServiceClient.php b/BigQueryConnection/src/V1/Client/ConnectionServiceClient.php
index 7ac7f37d1bb9..6fd70aa0397d 100644
--- a/BigQueryConnection/src/V1/Client/ConnectionServiceClient.php
+++ b/BigQueryConnection/src/V1/Client/ConnectionServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryConnection/src/V1/resources/connection_service_descriptor_config.php b/BigQueryConnection/src/V1/resources/connection_service_descriptor_config.php
index cde4430f8eda..7820ef7f0c1d 100644
--- a/BigQueryConnection/src/V1/resources/connection_service_descriptor_config.php
+++ b/BigQueryConnection/src/V1/resources/connection_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryConnection/src/V1/resources/connection_service_rest_client_config.php b/BigQueryConnection/src/V1/resources/connection_service_rest_client_config.php
index 31ae1178ae30..57918fb1dae6 100644
--- a/BigQueryConnection/src/V1/resources/connection_service_rest_client_config.php
+++ b/BigQueryConnection/src/V1/resources/connection_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryConnection/tests/Unit/V1/Client/ConnectionServiceClientTest.php b/BigQueryConnection/tests/Unit/V1/Client/ConnectionServiceClientTest.php
index d31ef4d87764..25b798d01bd6 100644
--- a/BigQueryConnection/tests/Unit/V1/Client/ConnectionServiceClientTest.php
+++ b/BigQueryConnection/tests/Unit/V1/Client/ConnectionServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/owlbot.py b/BigQueryDataExchange/owlbot.py
index 41aeeb4f0c14..d110502db67b 100644
--- a/BigQueryDataExchange/owlbot.py
+++ b/BigQueryDataExchange/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2024 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/create_data_exchange.php b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/create_data_exchange.php
index 0bd0e04b8172..7e41a7ee682e 100644
--- a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/create_data_exchange.php
+++ b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/create_data_exchange.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/create_listing.php b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/create_listing.php
index bcce302a589d..2e056d34c314 100644
--- a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/create_listing.php
+++ b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/create_listing.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/delete_data_exchange.php b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/delete_data_exchange.php
index ab45b1c634a9..b77e979f504c 100644
--- a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/delete_data_exchange.php
+++ b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/delete_data_exchange.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/delete_listing.php b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/delete_listing.php
index 921673c1f39c..568a075873e4 100644
--- a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/delete_listing.php
+++ b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/delete_listing.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/get_data_exchange.php b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/get_data_exchange.php
index 4e0c3eacae46..2f8a5dd06628 100644
--- a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/get_data_exchange.php
+++ b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/get_data_exchange.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/get_iam_policy.php b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/get_iam_policy.php
index 9b5c8745de2c..4bbc34ef6b48 100644
--- a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/get_iam_policy.php
+++ b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/get_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/get_listing.php b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/get_listing.php
index ab23f134bd88..76903f21fdba 100644
--- a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/get_listing.php
+++ b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/get_listing.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/get_location.php b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/get_location.php
index cfe2b44be3ac..3af16c7c4814 100644
--- a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/get_location.php
+++ b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/get_location.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/list_data_exchanges.php b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/list_data_exchanges.php
index e1c494cef513..1ede14f2542c 100644
--- a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/list_data_exchanges.php
+++ b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/list_data_exchanges.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/list_listings.php b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/list_listings.php
index 768e8d61ab69..c78b3cd07828 100644
--- a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/list_listings.php
+++ b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/list_listings.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/list_locations.php b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/list_locations.php
index 9b4637aeb55a..b7762a04539c 100644
--- a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/list_locations.php
+++ b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/list_locations.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/list_org_data_exchanges.php b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/list_org_data_exchanges.php
index 8610cbfce41e..452856c09d61 100644
--- a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/list_org_data_exchanges.php
+++ b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/list_org_data_exchanges.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/set_iam_policy.php b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/set_iam_policy.php
index b925d755281a..9c90bfd7606e 100644
--- a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/set_iam_policy.php
+++ b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/set_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/subscribe_listing.php b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/subscribe_listing.php
index 9e9df85fea17..5233c6177f1a 100644
--- a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/subscribe_listing.php
+++ b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/subscribe_listing.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/test_iam_permissions.php b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/test_iam_permissions.php
index e02781360407..2d2cfafa4b0e 100644
--- a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/test_iam_permissions.php
+++ b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/test_iam_permissions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/update_data_exchange.php b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/update_data_exchange.php
index f8c2554fd1d9..915b52007b59 100644
--- a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/update_data_exchange.php
+++ b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/update_data_exchange.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/update_listing.php b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/update_listing.php
index 2b4c4b8a60f4..0ad504b8d4f8 100644
--- a/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/update_listing.php
+++ b/BigQueryDataExchange/samples/V1beta1/AnalyticsHubServiceClient/update_listing.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/src/V1beta1/Client/AnalyticsHubServiceClient.php b/BigQueryDataExchange/src/V1beta1/Client/AnalyticsHubServiceClient.php
index 55a6416b1d66..495adb4823f6 100644
--- a/BigQueryDataExchange/src/V1beta1/Client/AnalyticsHubServiceClient.php
+++ b/BigQueryDataExchange/src/V1beta1/Client/AnalyticsHubServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/src/V1beta1/resources/analytics_hub_service_descriptor_config.php b/BigQueryDataExchange/src/V1beta1/resources/analytics_hub_service_descriptor_config.php
index a8f4be36fc80..72d42223c8cc 100644
--- a/BigQueryDataExchange/src/V1beta1/resources/analytics_hub_service_descriptor_config.php
+++ b/BigQueryDataExchange/src/V1beta1/resources/analytics_hub_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/src/V1beta1/resources/analytics_hub_service_rest_client_config.php b/BigQueryDataExchange/src/V1beta1/resources/analytics_hub_service_rest_client_config.php
index 514c173d9e4f..6525e8a26908 100644
--- a/BigQueryDataExchange/src/V1beta1/resources/analytics_hub_service_rest_client_config.php
+++ b/BigQueryDataExchange/src/V1beta1/resources/analytics_hub_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataExchange/tests/Unit/V1beta1/Client/AnalyticsHubServiceClientTest.php b/BigQueryDataExchange/tests/Unit/V1beta1/Client/AnalyticsHubServiceClientTest.php
index a64fe11d9e47..40e979b63f5a 100644
--- a/BigQueryDataExchange/tests/Unit/V1beta1/Client/AnalyticsHubServiceClientTest.php
+++ b/BigQueryDataExchange/tests/Unit/V1beta1/Client/AnalyticsHubServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataPolicies/owlbot.py b/BigQueryDataPolicies/owlbot.py
index 26f2312e13a7..e94b8ef337e9 100644
--- a/BigQueryDataPolicies/owlbot.py
+++ b/BigQueryDataPolicies/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/create_data_policy.php b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/create_data_policy.php
index 1644a2e5f03a..a1687e1a2db9 100644
--- a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/create_data_policy.php
+++ b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/create_data_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/delete_data_policy.php b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/delete_data_policy.php
index 1ff7c2b2f8dc..252a44c8a333 100644
--- a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/delete_data_policy.php
+++ b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/delete_data_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/get_data_policy.php b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/get_data_policy.php
index 57e367b6c8b0..7cc518441ba7 100644
--- a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/get_data_policy.php
+++ b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/get_data_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/get_iam_policy.php b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/get_iam_policy.php
index d1dbe6d77bf9..6cf3125effba 100644
--- a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/get_iam_policy.php
+++ b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/get_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/list_data_policies.php b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/list_data_policies.php
index 1aa07e6dd506..d832b3f27c47 100644
--- a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/list_data_policies.php
+++ b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/list_data_policies.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/rename_data_policy.php b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/rename_data_policy.php
index 347f80076fff..a2b7f814409e 100644
--- a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/rename_data_policy.php
+++ b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/rename_data_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/set_iam_policy.php b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/set_iam_policy.php
index a085230bebf7..c3c0be2194e2 100644
--- a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/set_iam_policy.php
+++ b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/set_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/test_iam_permissions.php b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/test_iam_permissions.php
index 14dafcc60d24..5f9a633a32f2 100644
--- a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/test_iam_permissions.php
+++ b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/test_iam_permissions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/update_data_policy.php b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/update_data_policy.php
index a23c5c164e83..29cf7bb04197 100644
--- a/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/update_data_policy.php
+++ b/BigQueryDataPolicies/samples/V1/DataPolicyServiceClient/update_data_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataPolicies/src/V1/Client/DataPolicyServiceClient.php b/BigQueryDataPolicies/src/V1/Client/DataPolicyServiceClient.php
index bc018594d352..28d3dff16c05 100644
--- a/BigQueryDataPolicies/src/V1/Client/DataPolicyServiceClient.php
+++ b/BigQueryDataPolicies/src/V1/Client/DataPolicyServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataPolicies/src/V1/resources/data_policy_service_descriptor_config.php b/BigQueryDataPolicies/src/V1/resources/data_policy_service_descriptor_config.php
index adc115ae66f4..c5ac753ac5c9 100644
--- a/BigQueryDataPolicies/src/V1/resources/data_policy_service_descriptor_config.php
+++ b/BigQueryDataPolicies/src/V1/resources/data_policy_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataPolicies/src/V1/resources/data_policy_service_rest_client_config.php b/BigQueryDataPolicies/src/V1/resources/data_policy_service_rest_client_config.php
index ea0fae9fef3c..3d226cb000f1 100644
--- a/BigQueryDataPolicies/src/V1/resources/data_policy_service_rest_client_config.php
+++ b/BigQueryDataPolicies/src/V1/resources/data_policy_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataPolicies/tests/Unit/V1/Client/DataPolicyServiceClientTest.php b/BigQueryDataPolicies/tests/Unit/V1/Client/DataPolicyServiceClientTest.php
index 6d3a2ec5c5f2..e8b15971b245 100644
--- a/BigQueryDataPolicies/tests/Unit/V1/Client/DataPolicyServiceClientTest.php
+++ b/BigQueryDataPolicies/tests/Unit/V1/Client/DataPolicyServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/owlbot.py b/BigQueryDataTransfer/owlbot.py
index a3c88f2f0e67..2c82e9a85d8c 100644
--- a/BigQueryDataTransfer/owlbot.py
+++ b/BigQueryDataTransfer/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/check_valid_creds.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/check_valid_creds.php
index e0aa62e02e77..1d087de4cacb 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/check_valid_creds.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/check_valid_creds.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/create_transfer_config.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/create_transfer_config.php
index 5db6e270562e..79c8dfd38f3b 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/create_transfer_config.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/create_transfer_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/delete_transfer_config.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/delete_transfer_config.php
index 702f2cda0c99..5bc698918d2b 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/delete_transfer_config.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/delete_transfer_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/delete_transfer_run.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/delete_transfer_run.php
index b5a8be4f4102..79f338e41d8d 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/delete_transfer_run.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/delete_transfer_run.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/enroll_data_sources.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/enroll_data_sources.php
index c08e24dfabba..65b20e27f583 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/enroll_data_sources.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/enroll_data_sources.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/get_data_source.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/get_data_source.php
index e2fb8a118e96..e0b264f24347 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/get_data_source.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/get_data_source.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/get_location.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/get_location.php
index a76315fb6cd2..ab53a0c1a66f 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/get_location.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/get_location.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/get_transfer_config.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/get_transfer_config.php
index 7797df921581..50d65af4d29e 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/get_transfer_config.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/get_transfer_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/get_transfer_run.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/get_transfer_run.php
index 2c8a127cdd7d..46e85bd406a5 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/get_transfer_run.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/get_transfer_run.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_data_sources.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_data_sources.php
index 2e7763d6b7ae..ff91043920e4 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_data_sources.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_data_sources.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_locations.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_locations.php
index 03947a44de0b..f21c378cbbc3 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_locations.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_locations.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_transfer_configs.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_transfer_configs.php
index 244d69e3bf56..8e3746a09cad 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_transfer_configs.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_transfer_configs.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_transfer_logs.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_transfer_logs.php
index 8e86248d250b..1231df7fc76a 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_transfer_logs.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_transfer_logs.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_transfer_runs.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_transfer_runs.php
index 4c70ff6ade7c..85981db002f3 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_transfer_runs.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/list_transfer_runs.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/schedule_transfer_runs.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/schedule_transfer_runs.php
index 6927eb30c79d..45d5a7fcd858 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/schedule_transfer_runs.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/schedule_transfer_runs.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/start_manual_transfer_runs.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/start_manual_transfer_runs.php
index c0fce207e8bb..1b8fc8717ee2 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/start_manual_transfer_runs.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/start_manual_transfer_runs.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/unenroll_data_sources.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/unenroll_data_sources.php
index 0bdd9433964c..93ab41a7c27d 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/unenroll_data_sources.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/unenroll_data_sources.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/update_transfer_config.php b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/update_transfer_config.php
index c3823b3c21de..42c96adb96b3 100644
--- a/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/update_transfer_config.php
+++ b/BigQueryDataTransfer/samples/V1/DataTransferServiceClient/update_transfer_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/src/V1/Client/DataTransferServiceClient.php b/BigQueryDataTransfer/src/V1/Client/DataTransferServiceClient.php
index 130596097136..22da9c9c69eb 100644
--- a/BigQueryDataTransfer/src/V1/Client/DataTransferServiceClient.php
+++ b/BigQueryDataTransfer/src/V1/Client/DataTransferServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/src/V1/resources/data_transfer_service_descriptor_config.php b/BigQueryDataTransfer/src/V1/resources/data_transfer_service_descriptor_config.php
index fa7c2336fc25..3e64afdd8e24 100644
--- a/BigQueryDataTransfer/src/V1/resources/data_transfer_service_descriptor_config.php
+++ b/BigQueryDataTransfer/src/V1/resources/data_transfer_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/src/V1/resources/data_transfer_service_rest_client_config.php b/BigQueryDataTransfer/src/V1/resources/data_transfer_service_rest_client_config.php
index ba2556ef3d8d..0ceef22f2d29 100644
--- a/BigQueryDataTransfer/src/V1/resources/data_transfer_service_rest_client_config.php
+++ b/BigQueryDataTransfer/src/V1/resources/data_transfer_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryDataTransfer/tests/Unit/V1/Client/DataTransferServiceClientTest.php b/BigQueryDataTransfer/tests/Unit/V1/Client/DataTransferServiceClientTest.php
index c36c8f543b1b..7e771b89a164 100644
--- a/BigQueryDataTransfer/tests/Unit/V1/Client/DataTransferServiceClientTest.php
+++ b/BigQueryDataTransfer/tests/Unit/V1/Client/DataTransferServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryMigration/owlbot.py b/BigQueryMigration/owlbot.py
index 6292f512cac3..9a609bae4f3c 100644
--- a/BigQueryMigration/owlbot.py
+++ b/BigQueryMigration/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/BigQueryMigration/samples/V2/MigrationServiceClient/create_migration_workflow.php b/BigQueryMigration/samples/V2/MigrationServiceClient/create_migration_workflow.php
index b6de6ab4a6f4..8339312bf7ae 100644
--- a/BigQueryMigration/samples/V2/MigrationServiceClient/create_migration_workflow.php
+++ b/BigQueryMigration/samples/V2/MigrationServiceClient/create_migration_workflow.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryMigration/samples/V2/MigrationServiceClient/delete_migration_workflow.php b/BigQueryMigration/samples/V2/MigrationServiceClient/delete_migration_workflow.php
index c3eb604ba1f9..3534d00d80b6 100644
--- a/BigQueryMigration/samples/V2/MigrationServiceClient/delete_migration_workflow.php
+++ b/BigQueryMigration/samples/V2/MigrationServiceClient/delete_migration_workflow.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryMigration/samples/V2/MigrationServiceClient/get_migration_subtask.php b/BigQueryMigration/samples/V2/MigrationServiceClient/get_migration_subtask.php
index e6ffa30a08bf..c6ec77fd2461 100644
--- a/BigQueryMigration/samples/V2/MigrationServiceClient/get_migration_subtask.php
+++ b/BigQueryMigration/samples/V2/MigrationServiceClient/get_migration_subtask.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryMigration/samples/V2/MigrationServiceClient/get_migration_workflow.php b/BigQueryMigration/samples/V2/MigrationServiceClient/get_migration_workflow.php
index 3b9111960499..04c214e7a79b 100644
--- a/BigQueryMigration/samples/V2/MigrationServiceClient/get_migration_workflow.php
+++ b/BigQueryMigration/samples/V2/MigrationServiceClient/get_migration_workflow.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryMigration/samples/V2/MigrationServiceClient/list_migration_subtasks.php b/BigQueryMigration/samples/V2/MigrationServiceClient/list_migration_subtasks.php
index 4412c83b4c06..681e15612d8b 100644
--- a/BigQueryMigration/samples/V2/MigrationServiceClient/list_migration_subtasks.php
+++ b/BigQueryMigration/samples/V2/MigrationServiceClient/list_migration_subtasks.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryMigration/samples/V2/MigrationServiceClient/list_migration_workflows.php b/BigQueryMigration/samples/V2/MigrationServiceClient/list_migration_workflows.php
index 3200fdeb7acf..df4f0413babf 100644
--- a/BigQueryMigration/samples/V2/MigrationServiceClient/list_migration_workflows.php
+++ b/BigQueryMigration/samples/V2/MigrationServiceClient/list_migration_workflows.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryMigration/samples/V2/MigrationServiceClient/start_migration_workflow.php b/BigQueryMigration/samples/V2/MigrationServiceClient/start_migration_workflow.php
index f761d27a94af..f66840d2c40f 100644
--- a/BigQueryMigration/samples/V2/MigrationServiceClient/start_migration_workflow.php
+++ b/BigQueryMigration/samples/V2/MigrationServiceClient/start_migration_workflow.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryMigration/src/V2/Client/MigrationServiceClient.php b/BigQueryMigration/src/V2/Client/MigrationServiceClient.php
index 6dc0be8e218c..7e160da0cc56 100644
--- a/BigQueryMigration/src/V2/Client/MigrationServiceClient.php
+++ b/BigQueryMigration/src/V2/Client/MigrationServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryMigration/src/V2/resources/migration_service_descriptor_config.php b/BigQueryMigration/src/V2/resources/migration_service_descriptor_config.php
index 4b8ec9bd0660..376215ae592a 100644
--- a/BigQueryMigration/src/V2/resources/migration_service_descriptor_config.php
+++ b/BigQueryMigration/src/V2/resources/migration_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryMigration/src/V2/resources/migration_service_rest_client_config.php b/BigQueryMigration/src/V2/resources/migration_service_rest_client_config.php
index efc080cd9643..4ccee001bf8b 100644
--- a/BigQueryMigration/src/V2/resources/migration_service_rest_client_config.php
+++ b/BigQueryMigration/src/V2/resources/migration_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryMigration/tests/Unit/V2/Client/MigrationServiceClientTest.php b/BigQueryMigration/tests/Unit/V2/Client/MigrationServiceClientTest.php
index f0fe3991a15c..bbb79843b50d 100644
--- a/BigQueryMigration/tests/Unit/V2/Client/MigrationServiceClientTest.php
+++ b/BigQueryMigration/tests/Unit/V2/Client/MigrationServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/owlbot.py b/BigQueryReservation/owlbot.py
index 68e55fa79a11..a5a2f39ab5c1 100644
--- a/BigQueryReservation/owlbot.py
+++ b/BigQueryReservation/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/create_assignment.php b/BigQueryReservation/samples/V1/ReservationServiceClient/create_assignment.php
index fd3ba4b26232..260aca84de56 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/create_assignment.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/create_assignment.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/create_capacity_commitment.php b/BigQueryReservation/samples/V1/ReservationServiceClient/create_capacity_commitment.php
index 46020d586a9a..348642c043d6 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/create_capacity_commitment.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/create_capacity_commitment.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/create_reservation.php b/BigQueryReservation/samples/V1/ReservationServiceClient/create_reservation.php
index d3ff8c7bcaee..156bdb0ea5b5 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/create_reservation.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/create_reservation.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/create_reservation_group.php b/BigQueryReservation/samples/V1/ReservationServiceClient/create_reservation_group.php
index c628c72fbf36..34cb2dbd8097 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/create_reservation_group.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/create_reservation_group.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/delete_assignment.php b/BigQueryReservation/samples/V1/ReservationServiceClient/delete_assignment.php
index c17ad243113c..407f9295ba2a 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/delete_assignment.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/delete_assignment.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/delete_capacity_commitment.php b/BigQueryReservation/samples/V1/ReservationServiceClient/delete_capacity_commitment.php
index 94afdb5e5b6a..d252076369ea 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/delete_capacity_commitment.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/delete_capacity_commitment.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/delete_reservation.php b/BigQueryReservation/samples/V1/ReservationServiceClient/delete_reservation.php
index 3395ea39e69c..822b4fd656fc 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/delete_reservation.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/delete_reservation.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/delete_reservation_group.php b/BigQueryReservation/samples/V1/ReservationServiceClient/delete_reservation_group.php
index 87047be32e25..191893302c9d 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/delete_reservation_group.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/delete_reservation_group.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/failover_reservation.php b/BigQueryReservation/samples/V1/ReservationServiceClient/failover_reservation.php
index 99a8624329bf..e08330131210 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/failover_reservation.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/failover_reservation.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/get_bi_reservation.php b/BigQueryReservation/samples/V1/ReservationServiceClient/get_bi_reservation.php
index 7631d84b6571..e09c6f2e497a 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/get_bi_reservation.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/get_bi_reservation.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/get_capacity_commitment.php b/BigQueryReservation/samples/V1/ReservationServiceClient/get_capacity_commitment.php
index f521cf41a631..faaaf2c8bfa3 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/get_capacity_commitment.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/get_capacity_commitment.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/get_iam_policy.php b/BigQueryReservation/samples/V1/ReservationServiceClient/get_iam_policy.php
index 79f7fb96d486..d4dfffc2f9b8 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/get_iam_policy.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/get_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/get_reservation.php b/BigQueryReservation/samples/V1/ReservationServiceClient/get_reservation.php
index a08fbb1ff0ea..081b880f2e5a 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/get_reservation.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/get_reservation.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/get_reservation_group.php b/BigQueryReservation/samples/V1/ReservationServiceClient/get_reservation_group.php
index 1780882362d6..f6820c257f36 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/get_reservation_group.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/get_reservation_group.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/list_assignments.php b/BigQueryReservation/samples/V1/ReservationServiceClient/list_assignments.php
index 3c62a59f6af8..c30ca29f847d 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/list_assignments.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/list_assignments.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/list_capacity_commitments.php b/BigQueryReservation/samples/V1/ReservationServiceClient/list_capacity_commitments.php
index 225c76f249c7..8058073ea7de 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/list_capacity_commitments.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/list_capacity_commitments.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/list_reservation_groups.php b/BigQueryReservation/samples/V1/ReservationServiceClient/list_reservation_groups.php
index 1eeeea767405..0fe83ffbd53d 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/list_reservation_groups.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/list_reservation_groups.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/list_reservations.php b/BigQueryReservation/samples/V1/ReservationServiceClient/list_reservations.php
index bd9c73b220d5..57e42bdc7dbc 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/list_reservations.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/list_reservations.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/merge_capacity_commitments.php b/BigQueryReservation/samples/V1/ReservationServiceClient/merge_capacity_commitments.php
index c5aa3e6b38ac..8c64ee7928db 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/merge_capacity_commitments.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/merge_capacity_commitments.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/move_assignment.php b/BigQueryReservation/samples/V1/ReservationServiceClient/move_assignment.php
index ab14f22c31ba..8e2bce8e2f01 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/move_assignment.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/move_assignment.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/search_all_assignments.php b/BigQueryReservation/samples/V1/ReservationServiceClient/search_all_assignments.php
index 73deb4aa9976..9723c75ece98 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/search_all_assignments.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/search_all_assignments.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/search_assignments.php b/BigQueryReservation/samples/V1/ReservationServiceClient/search_assignments.php
index b3757ff5c61a..54bb0d1a8fee 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/search_assignments.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/search_assignments.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/set_iam_policy.php b/BigQueryReservation/samples/V1/ReservationServiceClient/set_iam_policy.php
index f3775b3ece52..b855fb6ce017 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/set_iam_policy.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/set_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/split_capacity_commitment.php b/BigQueryReservation/samples/V1/ReservationServiceClient/split_capacity_commitment.php
index eec7932e9021..0d01200d3af6 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/split_capacity_commitment.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/split_capacity_commitment.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/test_iam_permissions.php b/BigQueryReservation/samples/V1/ReservationServiceClient/test_iam_permissions.php
index a9c118682eb8..26cc069ccb02 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/test_iam_permissions.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/test_iam_permissions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/update_assignment.php b/BigQueryReservation/samples/V1/ReservationServiceClient/update_assignment.php
index 2f9173d5a93e..7902e05748bb 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/update_assignment.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/update_assignment.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/update_bi_reservation.php b/BigQueryReservation/samples/V1/ReservationServiceClient/update_bi_reservation.php
index 43d4f631eb80..3b2c32a698f7 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/update_bi_reservation.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/update_bi_reservation.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/update_capacity_commitment.php b/BigQueryReservation/samples/V1/ReservationServiceClient/update_capacity_commitment.php
index aec13c21494a..e49d16d4c0f2 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/update_capacity_commitment.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/update_capacity_commitment.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/samples/V1/ReservationServiceClient/update_reservation.php b/BigQueryReservation/samples/V1/ReservationServiceClient/update_reservation.php
index 57cc1a76c506..331faa64ef9a 100644
--- a/BigQueryReservation/samples/V1/ReservationServiceClient/update_reservation.php
+++ b/BigQueryReservation/samples/V1/ReservationServiceClient/update_reservation.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/src/V1/Client/ReservationServiceClient.php b/BigQueryReservation/src/V1/Client/ReservationServiceClient.php
index 48d5c2dfdaa3..95bde32885e8 100644
--- a/BigQueryReservation/src/V1/Client/ReservationServiceClient.php
+++ b/BigQueryReservation/src/V1/Client/ReservationServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/src/V1/resources/reservation_service_descriptor_config.php b/BigQueryReservation/src/V1/resources/reservation_service_descriptor_config.php
index 2e3511db8386..def998d1983a 100644
--- a/BigQueryReservation/src/V1/resources/reservation_service_descriptor_config.php
+++ b/BigQueryReservation/src/V1/resources/reservation_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/src/V1/resources/reservation_service_rest_client_config.php b/BigQueryReservation/src/V1/resources/reservation_service_rest_client_config.php
index 40160d5e6040..5e4ea53c2316 100644
--- a/BigQueryReservation/src/V1/resources/reservation_service_rest_client_config.php
+++ b/BigQueryReservation/src/V1/resources/reservation_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryReservation/tests/Unit/V1/Client/ReservationServiceClientTest.php b/BigQueryReservation/tests/Unit/V1/Client/ReservationServiceClientTest.php
index b8b1367848ad..09b3f1a3fb2c 100644
--- a/BigQueryReservation/tests/Unit/V1/Client/ReservationServiceClientTest.php
+++ b/BigQueryReservation/tests/Unit/V1/Client/ReservationServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/metadata/descriptor_fix.php b/BigQueryStorage/metadata/descriptor_fix.php
index cb630e43388d..a7f26df3b6ba 100644
--- a/BigQueryStorage/metadata/descriptor_fix.php
+++ b/BigQueryStorage/metadata/descriptor_fix.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/owlbot.py b/BigQueryStorage/owlbot.py
index b1156c361c59..3df61d4742f1 100644
--- a/BigQueryStorage/owlbot.py
+++ b/BigQueryStorage/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/samples/V1/BigQueryReadClient/create_read_session.php b/BigQueryStorage/samples/V1/BigQueryReadClient/create_read_session.php
index c9f551515bc9..a8efedea68f9 100644
--- a/BigQueryStorage/samples/V1/BigQueryReadClient/create_read_session.php
+++ b/BigQueryStorage/samples/V1/BigQueryReadClient/create_read_session.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/samples/V1/BigQueryReadClient/read_rows.php b/BigQueryStorage/samples/V1/BigQueryReadClient/read_rows.php
index 3080cc82bc31..234f4b4851f8 100644
--- a/BigQueryStorage/samples/V1/BigQueryReadClient/read_rows.php
+++ b/BigQueryStorage/samples/V1/BigQueryReadClient/read_rows.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/samples/V1/BigQueryReadClient/split_read_stream.php b/BigQueryStorage/samples/V1/BigQueryReadClient/split_read_stream.php
index 18b0688a76be..952a9adda480 100644
--- a/BigQueryStorage/samples/V1/BigQueryReadClient/split_read_stream.php
+++ b/BigQueryStorage/samples/V1/BigQueryReadClient/split_read_stream.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/samples/V1/BigQueryWriteClient/append_rows.php b/BigQueryStorage/samples/V1/BigQueryWriteClient/append_rows.php
index 16d46a474564..42bdbfc9dfe5 100644
--- a/BigQueryStorage/samples/V1/BigQueryWriteClient/append_rows.php
+++ b/BigQueryStorage/samples/V1/BigQueryWriteClient/append_rows.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/samples/V1/BigQueryWriteClient/batch_commit_write_streams.php b/BigQueryStorage/samples/V1/BigQueryWriteClient/batch_commit_write_streams.php
index 304e63f8bc25..4f7ed2110b86 100644
--- a/BigQueryStorage/samples/V1/BigQueryWriteClient/batch_commit_write_streams.php
+++ b/BigQueryStorage/samples/V1/BigQueryWriteClient/batch_commit_write_streams.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/samples/V1/BigQueryWriteClient/create_write_stream.php b/BigQueryStorage/samples/V1/BigQueryWriteClient/create_write_stream.php
index c663ad5c720b..8485c13171ca 100644
--- a/BigQueryStorage/samples/V1/BigQueryWriteClient/create_write_stream.php
+++ b/BigQueryStorage/samples/V1/BigQueryWriteClient/create_write_stream.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/samples/V1/BigQueryWriteClient/finalize_write_stream.php b/BigQueryStorage/samples/V1/BigQueryWriteClient/finalize_write_stream.php
index 566c494a5cc5..54d32331246f 100644
--- a/BigQueryStorage/samples/V1/BigQueryWriteClient/finalize_write_stream.php
+++ b/BigQueryStorage/samples/V1/BigQueryWriteClient/finalize_write_stream.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/samples/V1/BigQueryWriteClient/flush_rows.php b/BigQueryStorage/samples/V1/BigQueryWriteClient/flush_rows.php
index 31b7080dfa9c..749dee2871b1 100644
--- a/BigQueryStorage/samples/V1/BigQueryWriteClient/flush_rows.php
+++ b/BigQueryStorage/samples/V1/BigQueryWriteClient/flush_rows.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/samples/V1/BigQueryWriteClient/get_write_stream.php b/BigQueryStorage/samples/V1/BigQueryWriteClient/get_write_stream.php
index 804630165f91..5533b0097fae 100644
--- a/BigQueryStorage/samples/V1/BigQueryWriteClient/get_write_stream.php
+++ b/BigQueryStorage/samples/V1/BigQueryWriteClient/get_write_stream.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/src/V1/Client/BigQueryReadClient.php b/BigQueryStorage/src/V1/Client/BigQueryReadClient.php
index 8b19911bf718..91624fb2bc17 100644
--- a/BigQueryStorage/src/V1/Client/BigQueryReadClient.php
+++ b/BigQueryStorage/src/V1/Client/BigQueryReadClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/src/V1/Client/BigQueryWriteClient.php b/BigQueryStorage/src/V1/Client/BigQueryWriteClient.php
index 105770b55687..3b6cfce2ca53 100644
--- a/BigQueryStorage/src/V1/Client/BigQueryWriteClient.php
+++ b/BigQueryStorage/src/V1/Client/BigQueryWriteClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/src/V1/resources/big_query_read_descriptor_config.php b/BigQueryStorage/src/V1/resources/big_query_read_descriptor_config.php
index 38011adeeb9a..01c38330b540 100644
--- a/BigQueryStorage/src/V1/resources/big_query_read_descriptor_config.php
+++ b/BigQueryStorage/src/V1/resources/big_query_read_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/src/V1/resources/big_query_read_rest_client_config.php b/BigQueryStorage/src/V1/resources/big_query_read_rest_client_config.php
index 7733f1719340..6e2ce40e48a1 100644
--- a/BigQueryStorage/src/V1/resources/big_query_read_rest_client_config.php
+++ b/BigQueryStorage/src/V1/resources/big_query_read_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/src/V1/resources/big_query_write_descriptor_config.php b/BigQueryStorage/src/V1/resources/big_query_write_descriptor_config.php
index 60b87fa400a8..4eae283ee5d5 100644
--- a/BigQueryStorage/src/V1/resources/big_query_write_descriptor_config.php
+++ b/BigQueryStorage/src/V1/resources/big_query_write_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/src/V1/resources/big_query_write_rest_client_config.php b/BigQueryStorage/src/V1/resources/big_query_write_rest_client_config.php
index 3279f1679d8b..6ca0a3005f58 100644
--- a/BigQueryStorage/src/V1/resources/big_query_write_rest_client_config.php
+++ b/BigQueryStorage/src/V1/resources/big_query_write_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/tests/Unit/V1/Client/BigQueryReadClientTest.php b/BigQueryStorage/tests/Unit/V1/Client/BigQueryReadClientTest.php
index 70c3c9d5c4dd..4dd65db9f976 100644
--- a/BigQueryStorage/tests/Unit/V1/Client/BigQueryReadClientTest.php
+++ b/BigQueryStorage/tests/Unit/V1/Client/BigQueryReadClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BigQueryStorage/tests/Unit/V1/Client/BigQueryWriteClientTest.php b/BigQueryStorage/tests/Unit/V1/Client/BigQueryWriteClientTest.php
index cb4153ba5b33..682c5aa60f98 100644
--- a/BigQueryStorage/tests/Unit/V1/Client/BigQueryWriteClientTest.php
+++ b/BigQueryStorage/tests/Unit/V1/Client/BigQueryWriteClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/samples/V2/BigtableClient/check_and_mutate_row.php b/Bigtable/samples/V2/BigtableClient/check_and_mutate_row.php
index ed92aa99764a..91402b863a46 100644
--- a/Bigtable/samples/V2/BigtableClient/check_and_mutate_row.php
+++ b/Bigtable/samples/V2/BigtableClient/check_and_mutate_row.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/samples/V2/BigtableClient/execute_query.php b/Bigtable/samples/V2/BigtableClient/execute_query.php
index fd13ca5bf6f9..5b2d09e2a1b0 100644
--- a/Bigtable/samples/V2/BigtableClient/execute_query.php
+++ b/Bigtable/samples/V2/BigtableClient/execute_query.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/samples/V2/BigtableClient/generate_initial_change_stream_partitions.php b/Bigtable/samples/V2/BigtableClient/generate_initial_change_stream_partitions.php
index bf74e6005c22..b73db6dbd5d0 100644
--- a/Bigtable/samples/V2/BigtableClient/generate_initial_change_stream_partitions.php
+++ b/Bigtable/samples/V2/BigtableClient/generate_initial_change_stream_partitions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/samples/V2/BigtableClient/mutate_row.php b/Bigtable/samples/V2/BigtableClient/mutate_row.php
index 82463a5a0a50..9e9505c3e567 100644
--- a/Bigtable/samples/V2/BigtableClient/mutate_row.php
+++ b/Bigtable/samples/V2/BigtableClient/mutate_row.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/samples/V2/BigtableClient/mutate_rows.php b/Bigtable/samples/V2/BigtableClient/mutate_rows.php
index 8045a69af565..047e5fbd3ac1 100644
--- a/Bigtable/samples/V2/BigtableClient/mutate_rows.php
+++ b/Bigtable/samples/V2/BigtableClient/mutate_rows.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/samples/V2/BigtableClient/ping_and_warm.php b/Bigtable/samples/V2/BigtableClient/ping_and_warm.php
index fdf556198d17..99f96865ed07 100644
--- a/Bigtable/samples/V2/BigtableClient/ping_and_warm.php
+++ b/Bigtable/samples/V2/BigtableClient/ping_and_warm.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/samples/V2/BigtableClient/prepare_query.php b/Bigtable/samples/V2/BigtableClient/prepare_query.php
index 67715f31ed4c..c65fc10bf9a8 100644
--- a/Bigtable/samples/V2/BigtableClient/prepare_query.php
+++ b/Bigtable/samples/V2/BigtableClient/prepare_query.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/samples/V2/BigtableClient/read_change_stream.php b/Bigtable/samples/V2/BigtableClient/read_change_stream.php
index 9909c9a801ba..a26ab3819223 100644
--- a/Bigtable/samples/V2/BigtableClient/read_change_stream.php
+++ b/Bigtable/samples/V2/BigtableClient/read_change_stream.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/samples/V2/BigtableClient/read_modify_write_row.php b/Bigtable/samples/V2/BigtableClient/read_modify_write_row.php
index b744a5c8a7ef..3062eb1d1d36 100644
--- a/Bigtable/samples/V2/BigtableClient/read_modify_write_row.php
+++ b/Bigtable/samples/V2/BigtableClient/read_modify_write_row.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/samples/V2/BigtableClient/read_rows.php b/Bigtable/samples/V2/BigtableClient/read_rows.php
index d2a3d207af5d..6735bf696e06 100644
--- a/Bigtable/samples/V2/BigtableClient/read_rows.php
+++ b/Bigtable/samples/V2/BigtableClient/read_rows.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/samples/V2/BigtableClient/sample_row_keys.php b/Bigtable/samples/V2/BigtableClient/sample_row_keys.php
index 758f536a08aa..a9f99e0bba4b 100644
--- a/Bigtable/samples/V2/BigtableClient/sample_row_keys.php
+++ b/Bigtable/samples/V2/BigtableClient/sample_row_keys.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/src/Admin/V2/Client/BigtableInstanceAdminClient.php b/Bigtable/src/Admin/V2/Client/BigtableInstanceAdminClient.php
index b25269907f8b..76fba5bac6d4 100644
--- a/Bigtable/src/Admin/V2/Client/BigtableInstanceAdminClient.php
+++ b/Bigtable/src/Admin/V2/Client/BigtableInstanceAdminClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/src/Admin/V2/Client/BigtableTableAdminClient.php b/Bigtable/src/Admin/V2/Client/BigtableTableAdminClient.php
index 7b627630af99..11e75ccb4f56 100644
--- a/Bigtable/src/Admin/V2/Client/BigtableTableAdminClient.php
+++ b/Bigtable/src/Admin/V2/Client/BigtableTableAdminClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/src/Admin/V2/resources/bigtable_instance_admin_descriptor_config.php b/Bigtable/src/Admin/V2/resources/bigtable_instance_admin_descriptor_config.php
index c6a5b39004e7..a0a46eb0dc78 100644
--- a/Bigtable/src/Admin/V2/resources/bigtable_instance_admin_descriptor_config.php
+++ b/Bigtable/src/Admin/V2/resources/bigtable_instance_admin_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/src/Admin/V2/resources/bigtable_instance_admin_rest_client_config.php b/Bigtable/src/Admin/V2/resources/bigtable_instance_admin_rest_client_config.php
index 4359734bebda..2527f6ccfbc2 100644
--- a/Bigtable/src/Admin/V2/resources/bigtable_instance_admin_rest_client_config.php
+++ b/Bigtable/src/Admin/V2/resources/bigtable_instance_admin_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/src/Admin/V2/resources/bigtable_table_admin_descriptor_config.php b/Bigtable/src/Admin/V2/resources/bigtable_table_admin_descriptor_config.php
index 2366687fe984..0a9a06511f7d 100644
--- a/Bigtable/src/Admin/V2/resources/bigtable_table_admin_descriptor_config.php
+++ b/Bigtable/src/Admin/V2/resources/bigtable_table_admin_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/src/Admin/V2/resources/bigtable_table_admin_rest_client_config.php b/Bigtable/src/Admin/V2/resources/bigtable_table_admin_rest_client_config.php
index f977760f4fcf..7a822ae06cd6 100644
--- a/Bigtable/src/Admin/V2/resources/bigtable_table_admin_rest_client_config.php
+++ b/Bigtable/src/Admin/V2/resources/bigtable_table_admin_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/src/V2/Client/BigtableClient.php b/Bigtable/src/V2/Client/BigtableClient.php
index 45ec3f1c5f32..6542372a42d9 100644
--- a/Bigtable/src/V2/Client/BigtableClient.php
+++ b/Bigtable/src/V2/Client/BigtableClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/src/V2/resources/bigtable_descriptor_config.php b/Bigtable/src/V2/resources/bigtable_descriptor_config.php
index c9f377ea1ca4..e56653aed10d 100644
--- a/Bigtable/src/V2/resources/bigtable_descriptor_config.php
+++ b/Bigtable/src/V2/resources/bigtable_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/src/V2/resources/bigtable_rest_client_config.php b/Bigtable/src/V2/resources/bigtable_rest_client_config.php
index 90e8912d6944..6c1b96212f88 100644
--- a/Bigtable/src/V2/resources/bigtable_rest_client_config.php
+++ b/Bigtable/src/V2/resources/bigtable_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/tests/Unit/Admin/V2/Client/BigtableInstanceAdminClientTest.php b/Bigtable/tests/Unit/Admin/V2/Client/BigtableInstanceAdminClientTest.php
index aef275f247e5..7a4c4403c7f1 100644
--- a/Bigtable/tests/Unit/Admin/V2/Client/BigtableInstanceAdminClientTest.php
+++ b/Bigtable/tests/Unit/Admin/V2/Client/BigtableInstanceAdminClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/tests/Unit/Admin/V2/Client/BigtableTableAdminClientTest.php b/Bigtable/tests/Unit/Admin/V2/Client/BigtableTableAdminClientTest.php
index 352041089eda..279be57701d3 100644
--- a/Bigtable/tests/Unit/Admin/V2/Client/BigtableTableAdminClientTest.php
+++ b/Bigtable/tests/Unit/Admin/V2/Client/BigtableTableAdminClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Bigtable/tests/Unit/V2/Client/BigtableClientTest.php b/Bigtable/tests/Unit/V2/Client/BigtableClientTest.php
index 8d120bc5ae21..0726091feaa4 100644
--- a/Bigtable/tests/Unit/V2/Client/BigtableClientTest.php
+++ b/Bigtable/tests/Unit/V2/Client/BigtableClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/owlbot.py b/Billing/owlbot.py
index 4f7ce8e6d3df..ee8238d86329 100644
--- a/Billing/owlbot.py
+++ b/Billing/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/Billing/samples/V1/CloudBillingClient/create_billing_account.php b/Billing/samples/V1/CloudBillingClient/create_billing_account.php
index d3c9e176246a..cba281cd2dc1 100644
--- a/Billing/samples/V1/CloudBillingClient/create_billing_account.php
+++ b/Billing/samples/V1/CloudBillingClient/create_billing_account.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/samples/V1/CloudBillingClient/get_billing_account.php b/Billing/samples/V1/CloudBillingClient/get_billing_account.php
index df854fd9f893..9da38d36832f 100644
--- a/Billing/samples/V1/CloudBillingClient/get_billing_account.php
+++ b/Billing/samples/V1/CloudBillingClient/get_billing_account.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/samples/V1/CloudBillingClient/get_iam_policy.php b/Billing/samples/V1/CloudBillingClient/get_iam_policy.php
index d3f4ba452a2a..5477c3401f69 100644
--- a/Billing/samples/V1/CloudBillingClient/get_iam_policy.php
+++ b/Billing/samples/V1/CloudBillingClient/get_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/samples/V1/CloudBillingClient/get_project_billing_info.php b/Billing/samples/V1/CloudBillingClient/get_project_billing_info.php
index a791c269d84e..8af7d7116e2f 100644
--- a/Billing/samples/V1/CloudBillingClient/get_project_billing_info.php
+++ b/Billing/samples/V1/CloudBillingClient/get_project_billing_info.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/samples/V1/CloudBillingClient/list_billing_accounts.php b/Billing/samples/V1/CloudBillingClient/list_billing_accounts.php
index 8f64eefe644e..d647b3cbc7e3 100644
--- a/Billing/samples/V1/CloudBillingClient/list_billing_accounts.php
+++ b/Billing/samples/V1/CloudBillingClient/list_billing_accounts.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/samples/V1/CloudBillingClient/list_project_billing_info.php b/Billing/samples/V1/CloudBillingClient/list_project_billing_info.php
index df4627b4ad7c..1f627775ac4c 100644
--- a/Billing/samples/V1/CloudBillingClient/list_project_billing_info.php
+++ b/Billing/samples/V1/CloudBillingClient/list_project_billing_info.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/samples/V1/CloudBillingClient/move_billing_account.php b/Billing/samples/V1/CloudBillingClient/move_billing_account.php
index 7979c0295924..08d896d911f0 100644
--- a/Billing/samples/V1/CloudBillingClient/move_billing_account.php
+++ b/Billing/samples/V1/CloudBillingClient/move_billing_account.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/samples/V1/CloudBillingClient/set_iam_policy.php b/Billing/samples/V1/CloudBillingClient/set_iam_policy.php
index 1d06c4a9f433..1d13ec0fc6af 100644
--- a/Billing/samples/V1/CloudBillingClient/set_iam_policy.php
+++ b/Billing/samples/V1/CloudBillingClient/set_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/samples/V1/CloudBillingClient/test_iam_permissions.php b/Billing/samples/V1/CloudBillingClient/test_iam_permissions.php
index 00958c0e7832..b0e49f2b3522 100644
--- a/Billing/samples/V1/CloudBillingClient/test_iam_permissions.php
+++ b/Billing/samples/V1/CloudBillingClient/test_iam_permissions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/samples/V1/CloudBillingClient/update_billing_account.php b/Billing/samples/V1/CloudBillingClient/update_billing_account.php
index 1c6a89d83a1e..d1a4859ad402 100644
--- a/Billing/samples/V1/CloudBillingClient/update_billing_account.php
+++ b/Billing/samples/V1/CloudBillingClient/update_billing_account.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/samples/V1/CloudBillingClient/update_project_billing_info.php b/Billing/samples/V1/CloudBillingClient/update_project_billing_info.php
index e0989d7c0bde..2078524cf1dc 100644
--- a/Billing/samples/V1/CloudBillingClient/update_project_billing_info.php
+++ b/Billing/samples/V1/CloudBillingClient/update_project_billing_info.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/samples/V1/CloudCatalogClient/list_services.php b/Billing/samples/V1/CloudCatalogClient/list_services.php
index 95611dd23697..628829970e52 100644
--- a/Billing/samples/V1/CloudCatalogClient/list_services.php
+++ b/Billing/samples/V1/CloudCatalogClient/list_services.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/samples/V1/CloudCatalogClient/list_skus.php b/Billing/samples/V1/CloudCatalogClient/list_skus.php
index 79b9205f94bb..beb7c58e698f 100644
--- a/Billing/samples/V1/CloudCatalogClient/list_skus.php
+++ b/Billing/samples/V1/CloudCatalogClient/list_skus.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/src/V1/Client/CloudBillingClient.php b/Billing/src/V1/Client/CloudBillingClient.php
index f2e581dc7f95..bb3541201146 100644
--- a/Billing/src/V1/Client/CloudBillingClient.php
+++ b/Billing/src/V1/Client/CloudBillingClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/src/V1/Client/CloudCatalogClient.php b/Billing/src/V1/Client/CloudCatalogClient.php
index 6ad86029855b..51f7c2c3f777 100644
--- a/Billing/src/V1/Client/CloudCatalogClient.php
+++ b/Billing/src/V1/Client/CloudCatalogClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/src/V1/resources/cloud_billing_descriptor_config.php b/Billing/src/V1/resources/cloud_billing_descriptor_config.php
index 8ca1e982a3d7..2974c29e2e81 100644
--- a/Billing/src/V1/resources/cloud_billing_descriptor_config.php
+++ b/Billing/src/V1/resources/cloud_billing_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/src/V1/resources/cloud_billing_rest_client_config.php b/Billing/src/V1/resources/cloud_billing_rest_client_config.php
index b2500432e22c..735e2de834b9 100644
--- a/Billing/src/V1/resources/cloud_billing_rest_client_config.php
+++ b/Billing/src/V1/resources/cloud_billing_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/src/V1/resources/cloud_catalog_descriptor_config.php b/Billing/src/V1/resources/cloud_catalog_descriptor_config.php
index e4ea2ad57c7c..701ee5344a3d 100644
--- a/Billing/src/V1/resources/cloud_catalog_descriptor_config.php
+++ b/Billing/src/V1/resources/cloud_catalog_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/src/V1/resources/cloud_catalog_rest_client_config.php b/Billing/src/V1/resources/cloud_catalog_rest_client_config.php
index e4490137b9cb..7d7e736b3253 100644
--- a/Billing/src/V1/resources/cloud_catalog_rest_client_config.php
+++ b/Billing/src/V1/resources/cloud_catalog_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/tests/Unit/V1/Client/CloudBillingClientTest.php b/Billing/tests/Unit/V1/Client/CloudBillingClientTest.php
index d625360e8d2e..bb2b2181906d 100644
--- a/Billing/tests/Unit/V1/Client/CloudBillingClientTest.php
+++ b/Billing/tests/Unit/V1/Client/CloudBillingClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Billing/tests/Unit/V1/Client/CloudCatalogClientTest.php b/Billing/tests/Unit/V1/Client/CloudCatalogClientTest.php
index 90ffbcf3af5c..771697a0f5b0 100644
--- a/Billing/tests/Unit/V1/Client/CloudCatalogClientTest.php
+++ b/Billing/tests/Unit/V1/Client/CloudCatalogClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BillingBudgets/owlbot.py b/BillingBudgets/owlbot.py
index 03485a318ac1..1d4a6396bc81 100644
--- a/BillingBudgets/owlbot.py
+++ b/BillingBudgets/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/BillingBudgets/samples/V1/BudgetServiceClient/create_budget.php b/BillingBudgets/samples/V1/BudgetServiceClient/create_budget.php
index 271455a9f1d3..e3f9de3409ba 100644
--- a/BillingBudgets/samples/V1/BudgetServiceClient/create_budget.php
+++ b/BillingBudgets/samples/V1/BudgetServiceClient/create_budget.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BillingBudgets/samples/V1/BudgetServiceClient/delete_budget.php b/BillingBudgets/samples/V1/BudgetServiceClient/delete_budget.php
index f1b570615eb2..c26ad553a3d7 100644
--- a/BillingBudgets/samples/V1/BudgetServiceClient/delete_budget.php
+++ b/BillingBudgets/samples/V1/BudgetServiceClient/delete_budget.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BillingBudgets/samples/V1/BudgetServiceClient/get_budget.php b/BillingBudgets/samples/V1/BudgetServiceClient/get_budget.php
index a4d586aaca6d..f40e770a79c9 100644
--- a/BillingBudgets/samples/V1/BudgetServiceClient/get_budget.php
+++ b/BillingBudgets/samples/V1/BudgetServiceClient/get_budget.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BillingBudgets/samples/V1/BudgetServiceClient/list_budgets.php b/BillingBudgets/samples/V1/BudgetServiceClient/list_budgets.php
index 20110ead3060..2604e0be08d3 100644
--- a/BillingBudgets/samples/V1/BudgetServiceClient/list_budgets.php
+++ b/BillingBudgets/samples/V1/BudgetServiceClient/list_budgets.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BillingBudgets/samples/V1/BudgetServiceClient/update_budget.php b/BillingBudgets/samples/V1/BudgetServiceClient/update_budget.php
index fb2f6a492af4..848e3859a708 100644
--- a/BillingBudgets/samples/V1/BudgetServiceClient/update_budget.php
+++ b/BillingBudgets/samples/V1/BudgetServiceClient/update_budget.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BillingBudgets/src/V1/Client/BudgetServiceClient.php b/BillingBudgets/src/V1/Client/BudgetServiceClient.php
index 71dd23bda278..84d1cf26e23b 100644
--- a/BillingBudgets/src/V1/Client/BudgetServiceClient.php
+++ b/BillingBudgets/src/V1/Client/BudgetServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BillingBudgets/src/V1/resources/budget_service_descriptor_config.php b/BillingBudgets/src/V1/resources/budget_service_descriptor_config.php
index 31788f25dfc6..5daaf8780c2a 100644
--- a/BillingBudgets/src/V1/resources/budget_service_descriptor_config.php
+++ b/BillingBudgets/src/V1/resources/budget_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BillingBudgets/src/V1/resources/budget_service_rest_client_config.php b/BillingBudgets/src/V1/resources/budget_service_rest_client_config.php
index 13ac0525c7a7..4b8eb97d858c 100644
--- a/BillingBudgets/src/V1/resources/budget_service_rest_client_config.php
+++ b/BillingBudgets/src/V1/resources/budget_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BillingBudgets/tests/Unit/V1/Client/BudgetServiceClientTest.php b/BillingBudgets/tests/Unit/V1/Client/BudgetServiceClientTest.php
index 05c78dacdecd..41167b59c62f 100644
--- a/BillingBudgets/tests/Unit/V1/Client/BudgetServiceClientTest.php
+++ b/BillingBudgets/tests/Unit/V1/Client/BudgetServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/owlbot.py b/BinaryAuthorization/owlbot.py
index 7fbe8aeeeb84..ffa98e813da4 100644
--- a/BinaryAuthorization/owlbot.py
+++ b/BinaryAuthorization/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/create_attestor.php b/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/create_attestor.php
index d44d3e265707..0dab8c70285d 100644
--- a/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/create_attestor.php
+++ b/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/create_attestor.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/delete_attestor.php b/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/delete_attestor.php
index d1f5ba42eeac..e55bac2c763f 100644
--- a/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/delete_attestor.php
+++ b/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/delete_attestor.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/get_attestor.php b/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/get_attestor.php
index 8196c57af49f..a907c49519e2 100644
--- a/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/get_attestor.php
+++ b/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/get_attestor.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/get_policy.php b/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/get_policy.php
index 4482430a70fa..229d331b5d79 100644
--- a/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/get_policy.php
+++ b/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/get_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/list_attestors.php b/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/list_attestors.php
index 6987026fe717..152e306b4f40 100644
--- a/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/list_attestors.php
+++ b/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/list_attestors.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/update_attestor.php b/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/update_attestor.php
index d32bc2a341f7..f148b2943f40 100644
--- a/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/update_attestor.php
+++ b/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/update_attestor.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/update_policy.php b/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/update_policy.php
index 6879a6c8e1e0..17852ce01d6b 100644
--- a/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/update_policy.php
+++ b/BinaryAuthorization/samples/V1/BinauthzManagementServiceV1Client/update_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/samples/V1/SystemPolicyV1Client/get_system_policy.php b/BinaryAuthorization/samples/V1/SystemPolicyV1Client/get_system_policy.php
index a03db7603583..4885235b38c6 100644
--- a/BinaryAuthorization/samples/V1/SystemPolicyV1Client/get_system_policy.php
+++ b/BinaryAuthorization/samples/V1/SystemPolicyV1Client/get_system_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/samples/V1/ValidationHelperV1Client/validate_attestation_occurrence.php b/BinaryAuthorization/samples/V1/ValidationHelperV1Client/validate_attestation_occurrence.php
index a38282c70938..fc18865beb50 100644
--- a/BinaryAuthorization/samples/V1/ValidationHelperV1Client/validate_attestation_occurrence.php
+++ b/BinaryAuthorization/samples/V1/ValidationHelperV1Client/validate_attestation_occurrence.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/src/V1/Client/BinauthzManagementServiceV1Client.php b/BinaryAuthorization/src/V1/Client/BinauthzManagementServiceV1Client.php
index ca4db77ca8d9..b0d4422829f3 100644
--- a/BinaryAuthorization/src/V1/Client/BinauthzManagementServiceV1Client.php
+++ b/BinaryAuthorization/src/V1/Client/BinauthzManagementServiceV1Client.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/src/V1/Client/SystemPolicyV1Client.php b/BinaryAuthorization/src/V1/Client/SystemPolicyV1Client.php
index ead23e76e86c..f71133bfe310 100644
--- a/BinaryAuthorization/src/V1/Client/SystemPolicyV1Client.php
+++ b/BinaryAuthorization/src/V1/Client/SystemPolicyV1Client.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/src/V1/Client/ValidationHelperV1Client.php b/BinaryAuthorization/src/V1/Client/ValidationHelperV1Client.php
index 107c08b1f889..8200ecaf8eb7 100644
--- a/BinaryAuthorization/src/V1/Client/ValidationHelperV1Client.php
+++ b/BinaryAuthorization/src/V1/Client/ValidationHelperV1Client.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/src/V1/resources/binauthz_management_service_v1_descriptor_config.php b/BinaryAuthorization/src/V1/resources/binauthz_management_service_v1_descriptor_config.php
index 997d06f40523..3e47ffd990a3 100644
--- a/BinaryAuthorization/src/V1/resources/binauthz_management_service_v1_descriptor_config.php
+++ b/BinaryAuthorization/src/V1/resources/binauthz_management_service_v1_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/src/V1/resources/binauthz_management_service_v1_rest_client_config.php b/BinaryAuthorization/src/V1/resources/binauthz_management_service_v1_rest_client_config.php
index af98c0b1d9be..70f8a49757ad 100644
--- a/BinaryAuthorization/src/V1/resources/binauthz_management_service_v1_rest_client_config.php
+++ b/BinaryAuthorization/src/V1/resources/binauthz_management_service_v1_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/src/V1/resources/system_policy_v1_descriptor_config.php b/BinaryAuthorization/src/V1/resources/system_policy_v1_descriptor_config.php
index b2204a7ed39a..38a0835bd6b8 100644
--- a/BinaryAuthorization/src/V1/resources/system_policy_v1_descriptor_config.php
+++ b/BinaryAuthorization/src/V1/resources/system_policy_v1_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/src/V1/resources/system_policy_v1_rest_client_config.php b/BinaryAuthorization/src/V1/resources/system_policy_v1_rest_client_config.php
index ed9921930ee4..69fd1ee0a828 100644
--- a/BinaryAuthorization/src/V1/resources/system_policy_v1_rest_client_config.php
+++ b/BinaryAuthorization/src/V1/resources/system_policy_v1_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/src/V1/resources/validation_helper_v1_descriptor_config.php b/BinaryAuthorization/src/V1/resources/validation_helper_v1_descriptor_config.php
index 66f131d87b42..7f95ed7e0dfc 100644
--- a/BinaryAuthorization/src/V1/resources/validation_helper_v1_descriptor_config.php
+++ b/BinaryAuthorization/src/V1/resources/validation_helper_v1_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/src/V1/resources/validation_helper_v1_rest_client_config.php b/BinaryAuthorization/src/V1/resources/validation_helper_v1_rest_client_config.php
index 6505b99035b4..6ac0d1f5fbd4 100644
--- a/BinaryAuthorization/src/V1/resources/validation_helper_v1_rest_client_config.php
+++ b/BinaryAuthorization/src/V1/resources/validation_helper_v1_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/tests/Unit/V1/Client/BinauthzManagementServiceV1ClientTest.php b/BinaryAuthorization/tests/Unit/V1/Client/BinauthzManagementServiceV1ClientTest.php
index fb0f69308b24..4618ec80c269 100644
--- a/BinaryAuthorization/tests/Unit/V1/Client/BinauthzManagementServiceV1ClientTest.php
+++ b/BinaryAuthorization/tests/Unit/V1/Client/BinauthzManagementServiceV1ClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/tests/Unit/V1/Client/SystemPolicyV1ClientTest.php b/BinaryAuthorization/tests/Unit/V1/Client/SystemPolicyV1ClientTest.php
index ed8d68565222..6ddc3af3d8f8 100644
--- a/BinaryAuthorization/tests/Unit/V1/Client/SystemPolicyV1ClientTest.php
+++ b/BinaryAuthorization/tests/Unit/V1/Client/SystemPolicyV1ClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/BinaryAuthorization/tests/Unit/V1/Client/ValidationHelperV1ClientTest.php b/BinaryAuthorization/tests/Unit/V1/Client/ValidationHelperV1ClientTest.php
index 8e79cf1b0ab3..3a2361e6ae96 100644
--- a/BinaryAuthorization/tests/Unit/V1/Client/ValidationHelperV1ClientTest.php
+++ b/BinaryAuthorization/tests/Unit/V1/Client/ValidationHelperV1ClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/owlbot.py b/Build/owlbot.py
index 30207a68c370..286ba064fee4 100644
--- a/Build/owlbot.py
+++ b/Build/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/Build/samples/V2/RepositoryManagerClient/batch_create_repositories.php b/Build/samples/V2/RepositoryManagerClient/batch_create_repositories.php
index bd8eef0debf8..b3a29ef8a568 100644
--- a/Build/samples/V2/RepositoryManagerClient/batch_create_repositories.php
+++ b/Build/samples/V2/RepositoryManagerClient/batch_create_repositories.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/samples/V2/RepositoryManagerClient/create_connection.php b/Build/samples/V2/RepositoryManagerClient/create_connection.php
index 8b83e8387ccd..a65e3053184d 100644
--- a/Build/samples/V2/RepositoryManagerClient/create_connection.php
+++ b/Build/samples/V2/RepositoryManagerClient/create_connection.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/samples/V2/RepositoryManagerClient/create_repository.php b/Build/samples/V2/RepositoryManagerClient/create_repository.php
index 49155728473e..a1ad682356eb 100644
--- a/Build/samples/V2/RepositoryManagerClient/create_repository.php
+++ b/Build/samples/V2/RepositoryManagerClient/create_repository.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/samples/V2/RepositoryManagerClient/delete_connection.php b/Build/samples/V2/RepositoryManagerClient/delete_connection.php
index d8364f47874d..2636dec0cde4 100644
--- a/Build/samples/V2/RepositoryManagerClient/delete_connection.php
+++ b/Build/samples/V2/RepositoryManagerClient/delete_connection.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/samples/V2/RepositoryManagerClient/delete_repository.php b/Build/samples/V2/RepositoryManagerClient/delete_repository.php
index 28a2a6ef7286..f01fc56e674a 100644
--- a/Build/samples/V2/RepositoryManagerClient/delete_repository.php
+++ b/Build/samples/V2/RepositoryManagerClient/delete_repository.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/samples/V2/RepositoryManagerClient/fetch_git_refs.php b/Build/samples/V2/RepositoryManagerClient/fetch_git_refs.php
index e04483218dd3..097f6acfaeee 100644
--- a/Build/samples/V2/RepositoryManagerClient/fetch_git_refs.php
+++ b/Build/samples/V2/RepositoryManagerClient/fetch_git_refs.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/samples/V2/RepositoryManagerClient/fetch_linkable_repositories.php b/Build/samples/V2/RepositoryManagerClient/fetch_linkable_repositories.php
index 6f16c82006c7..46d624e74aa7 100644
--- a/Build/samples/V2/RepositoryManagerClient/fetch_linkable_repositories.php
+++ b/Build/samples/V2/RepositoryManagerClient/fetch_linkable_repositories.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/samples/V2/RepositoryManagerClient/fetch_read_token.php b/Build/samples/V2/RepositoryManagerClient/fetch_read_token.php
index 3ff6330d2f0f..8f6968ce9e41 100644
--- a/Build/samples/V2/RepositoryManagerClient/fetch_read_token.php
+++ b/Build/samples/V2/RepositoryManagerClient/fetch_read_token.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/samples/V2/RepositoryManagerClient/fetch_read_write_token.php b/Build/samples/V2/RepositoryManagerClient/fetch_read_write_token.php
index 9a3772b2a0c1..8050ce27acb2 100644
--- a/Build/samples/V2/RepositoryManagerClient/fetch_read_write_token.php
+++ b/Build/samples/V2/RepositoryManagerClient/fetch_read_write_token.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/samples/V2/RepositoryManagerClient/get_connection.php b/Build/samples/V2/RepositoryManagerClient/get_connection.php
index 9792ba919cb0..fe4547b8001e 100644
--- a/Build/samples/V2/RepositoryManagerClient/get_connection.php
+++ b/Build/samples/V2/RepositoryManagerClient/get_connection.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/samples/V2/RepositoryManagerClient/get_iam_policy.php b/Build/samples/V2/RepositoryManagerClient/get_iam_policy.php
index 366b5f6d79f4..508988227cc7 100644
--- a/Build/samples/V2/RepositoryManagerClient/get_iam_policy.php
+++ b/Build/samples/V2/RepositoryManagerClient/get_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/samples/V2/RepositoryManagerClient/get_repository.php b/Build/samples/V2/RepositoryManagerClient/get_repository.php
index 4020e1517ff2..d0aff15f5ee6 100644
--- a/Build/samples/V2/RepositoryManagerClient/get_repository.php
+++ b/Build/samples/V2/RepositoryManagerClient/get_repository.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/samples/V2/RepositoryManagerClient/list_connections.php b/Build/samples/V2/RepositoryManagerClient/list_connections.php
index f19df83f4226..386fad6ad9bf 100644
--- a/Build/samples/V2/RepositoryManagerClient/list_connections.php
+++ b/Build/samples/V2/RepositoryManagerClient/list_connections.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/samples/V2/RepositoryManagerClient/list_repositories.php b/Build/samples/V2/RepositoryManagerClient/list_repositories.php
index 0b414ecde898..205a47c800ef 100644
--- a/Build/samples/V2/RepositoryManagerClient/list_repositories.php
+++ b/Build/samples/V2/RepositoryManagerClient/list_repositories.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/samples/V2/RepositoryManagerClient/set_iam_policy.php b/Build/samples/V2/RepositoryManagerClient/set_iam_policy.php
index 444e2913d229..08ab45a4e0df 100644
--- a/Build/samples/V2/RepositoryManagerClient/set_iam_policy.php
+++ b/Build/samples/V2/RepositoryManagerClient/set_iam_policy.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/samples/V2/RepositoryManagerClient/test_iam_permissions.php b/Build/samples/V2/RepositoryManagerClient/test_iam_permissions.php
index 5c492db50424..e2658330c106 100644
--- a/Build/samples/V2/RepositoryManagerClient/test_iam_permissions.php
+++ b/Build/samples/V2/RepositoryManagerClient/test_iam_permissions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/samples/V2/RepositoryManagerClient/update_connection.php b/Build/samples/V2/RepositoryManagerClient/update_connection.php
index 423557d240e3..f5ad9263754e 100644
--- a/Build/samples/V2/RepositoryManagerClient/update_connection.php
+++ b/Build/samples/V2/RepositoryManagerClient/update_connection.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/src/V2/Client/RepositoryManagerClient.php b/Build/src/V2/Client/RepositoryManagerClient.php
index a80310891cb9..a35ef1dda556 100644
--- a/Build/src/V2/Client/RepositoryManagerClient.php
+++ b/Build/src/V2/Client/RepositoryManagerClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/src/V2/resources/repository_manager_descriptor_config.php b/Build/src/V2/resources/repository_manager_descriptor_config.php
index 558f82a811e0..a5aca43d1bf6 100644
--- a/Build/src/V2/resources/repository_manager_descriptor_config.php
+++ b/Build/src/V2/resources/repository_manager_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/src/V2/resources/repository_manager_rest_client_config.php b/Build/src/V2/resources/repository_manager_rest_client_config.php
index 16a789bd7973..93c3df0e1707 100644
--- a/Build/src/V2/resources/repository_manager_rest_client_config.php
+++ b/Build/src/V2/resources/repository_manager_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Build/tests/Unit/V2/Client/RepositoryManagerClientTest.php b/Build/tests/Unit/V2/Client/RepositoryManagerClientTest.php
index 3c52394f96be..e4a91b933f76 100644
--- a/Build/tests/Unit/V2/Client/RepositoryManagerClientTest.php
+++ b/Build/tests/Unit/V2/Client/RepositoryManagerClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CapacityPlanner/owlbot.py b/CapacityPlanner/owlbot.py
index 48850e6d1601..025918d7201c 100644
--- a/CapacityPlanner/owlbot.py
+++ b/CapacityPlanner/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2024 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/CapacityPlanner/samples/V1beta/UsageServiceClient/export_forecasts.php b/CapacityPlanner/samples/V1beta/UsageServiceClient/export_forecasts.php
index 69fdb7cc9326..cf1fc545d3a9 100644
--- a/CapacityPlanner/samples/V1beta/UsageServiceClient/export_forecasts.php
+++ b/CapacityPlanner/samples/V1beta/UsageServiceClient/export_forecasts.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CapacityPlanner/samples/V1beta/UsageServiceClient/export_reservations_usage.php b/CapacityPlanner/samples/V1beta/UsageServiceClient/export_reservations_usage.php
index e450065d7e28..85efeb26df51 100644
--- a/CapacityPlanner/samples/V1beta/UsageServiceClient/export_reservations_usage.php
+++ b/CapacityPlanner/samples/V1beta/UsageServiceClient/export_reservations_usage.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CapacityPlanner/samples/V1beta/UsageServiceClient/export_usage_histories.php b/CapacityPlanner/samples/V1beta/UsageServiceClient/export_usage_histories.php
index 14f9cb12ef65..590618ebec7e 100644
--- a/CapacityPlanner/samples/V1beta/UsageServiceClient/export_usage_histories.php
+++ b/CapacityPlanner/samples/V1beta/UsageServiceClient/export_usage_histories.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CapacityPlanner/samples/V1beta/UsageServiceClient/query_forecasts.php b/CapacityPlanner/samples/V1beta/UsageServiceClient/query_forecasts.php
index 5956c6a9c390..4b02c36c0638 100644
--- a/CapacityPlanner/samples/V1beta/UsageServiceClient/query_forecasts.php
+++ b/CapacityPlanner/samples/V1beta/UsageServiceClient/query_forecasts.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CapacityPlanner/samples/V1beta/UsageServiceClient/query_reservations.php b/CapacityPlanner/samples/V1beta/UsageServiceClient/query_reservations.php
index 7f2127249138..89284c94fd2a 100644
--- a/CapacityPlanner/samples/V1beta/UsageServiceClient/query_reservations.php
+++ b/CapacityPlanner/samples/V1beta/UsageServiceClient/query_reservations.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CapacityPlanner/samples/V1beta/UsageServiceClient/query_usage_histories.php b/CapacityPlanner/samples/V1beta/UsageServiceClient/query_usage_histories.php
index 64c9137e3896..659abc6787b6 100644
--- a/CapacityPlanner/samples/V1beta/UsageServiceClient/query_usage_histories.php
+++ b/CapacityPlanner/samples/V1beta/UsageServiceClient/query_usage_histories.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CapacityPlanner/src/V1beta/Client/UsageServiceClient.php b/CapacityPlanner/src/V1beta/Client/UsageServiceClient.php
index f19442146d4a..770a6e0029a1 100644
--- a/CapacityPlanner/src/V1beta/Client/UsageServiceClient.php
+++ b/CapacityPlanner/src/V1beta/Client/UsageServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CapacityPlanner/src/V1beta/resources/usage_service_descriptor_config.php b/CapacityPlanner/src/V1beta/resources/usage_service_descriptor_config.php
index 68ff6c1a25c4..165611e36907 100644
--- a/CapacityPlanner/src/V1beta/resources/usage_service_descriptor_config.php
+++ b/CapacityPlanner/src/V1beta/resources/usage_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CapacityPlanner/src/V1beta/resources/usage_service_rest_client_config.php b/CapacityPlanner/src/V1beta/resources/usage_service_rest_client_config.php
index 4412c6d95f7c..69156e703726 100644
--- a/CapacityPlanner/src/V1beta/resources/usage_service_rest_client_config.php
+++ b/CapacityPlanner/src/V1beta/resources/usage_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CapacityPlanner/tests/Unit/V1beta/Client/UsageServiceClientTest.php b/CapacityPlanner/tests/Unit/V1beta/Client/UsageServiceClientTest.php
index d8d7dd234746..28c9938594fd 100644
--- a/CapacityPlanner/tests/Unit/V1beta/Client/UsageServiceClientTest.php
+++ b/CapacityPlanner/tests/Unit/V1beta/Client/UsageServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/owlbot.py b/CertificateManager/owlbot.py
index de0955674f3b..0b9691a04297 100644
--- a/CertificateManager/owlbot.py
+++ b/CertificateManager/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/create_certificate.php b/CertificateManager/samples/V1/CertificateManagerClient/create_certificate.php
index 461884c10e74..2416f7fcb316 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/create_certificate.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/create_certificate.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/create_certificate_issuance_config.php b/CertificateManager/samples/V1/CertificateManagerClient/create_certificate_issuance_config.php
index 7ba1a7de1bdc..34cfe1aa8b7c 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/create_certificate_issuance_config.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/create_certificate_issuance_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/create_certificate_map.php b/CertificateManager/samples/V1/CertificateManagerClient/create_certificate_map.php
index 409405131e89..47dd4d5b8027 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/create_certificate_map.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/create_certificate_map.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/create_certificate_map_entry.php b/CertificateManager/samples/V1/CertificateManagerClient/create_certificate_map_entry.php
index a3017b79ab1f..12d3dcc616c3 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/create_certificate_map_entry.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/create_certificate_map_entry.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/create_dns_authorization.php b/CertificateManager/samples/V1/CertificateManagerClient/create_dns_authorization.php
index 2b32506b54e3..5e19b052ceee 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/create_dns_authorization.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/create_dns_authorization.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/create_trust_config.php b/CertificateManager/samples/V1/CertificateManagerClient/create_trust_config.php
index 29b3c05ba3ff..723d9410b82e 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/create_trust_config.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/create_trust_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/delete_certificate.php b/CertificateManager/samples/V1/CertificateManagerClient/delete_certificate.php
index f2cc2c517a49..645ca0169a34 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/delete_certificate.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/delete_certificate.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/delete_certificate_issuance_config.php b/CertificateManager/samples/V1/CertificateManagerClient/delete_certificate_issuance_config.php
index b4eed09913ae..a125f402e7d3 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/delete_certificate_issuance_config.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/delete_certificate_issuance_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/delete_certificate_map.php b/CertificateManager/samples/V1/CertificateManagerClient/delete_certificate_map.php
index 4558b3dd5c84..4ae9472e17a4 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/delete_certificate_map.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/delete_certificate_map.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/delete_certificate_map_entry.php b/CertificateManager/samples/V1/CertificateManagerClient/delete_certificate_map_entry.php
index 921ae1661298..e0d320b8d383 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/delete_certificate_map_entry.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/delete_certificate_map_entry.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/delete_dns_authorization.php b/CertificateManager/samples/V1/CertificateManagerClient/delete_dns_authorization.php
index be1583059577..a7d48018e123 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/delete_dns_authorization.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/delete_dns_authorization.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/delete_trust_config.php b/CertificateManager/samples/V1/CertificateManagerClient/delete_trust_config.php
index fb85115ae412..97cb12d290de 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/delete_trust_config.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/delete_trust_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/get_certificate.php b/CertificateManager/samples/V1/CertificateManagerClient/get_certificate.php
index 8e3b21d8c656..0b962adc0201 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/get_certificate.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/get_certificate.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/get_certificate_issuance_config.php b/CertificateManager/samples/V1/CertificateManagerClient/get_certificate_issuance_config.php
index b38265363c8e..e060015d6e25 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/get_certificate_issuance_config.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/get_certificate_issuance_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/get_certificate_map.php b/CertificateManager/samples/V1/CertificateManagerClient/get_certificate_map.php
index b3232e3b49cd..60b3295bca53 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/get_certificate_map.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/get_certificate_map.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/get_certificate_map_entry.php b/CertificateManager/samples/V1/CertificateManagerClient/get_certificate_map_entry.php
index 1399106ea7f1..4d6c5fdeb39c 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/get_certificate_map_entry.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/get_certificate_map_entry.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/get_dns_authorization.php b/CertificateManager/samples/V1/CertificateManagerClient/get_dns_authorization.php
index fd836cd89056..3a48e5ad14db 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/get_dns_authorization.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/get_dns_authorization.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/get_location.php b/CertificateManager/samples/V1/CertificateManagerClient/get_location.php
index b5b03ab1d01b..4f93d6a6db56 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/get_location.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/get_location.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/get_trust_config.php b/CertificateManager/samples/V1/CertificateManagerClient/get_trust_config.php
index e791ef35f356..36787873c4f5 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/get_trust_config.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/get_trust_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/list_certificate_issuance_configs.php b/CertificateManager/samples/V1/CertificateManagerClient/list_certificate_issuance_configs.php
index 5efdfcfa1214..6b0ccc502aad 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/list_certificate_issuance_configs.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/list_certificate_issuance_configs.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/list_certificate_map_entries.php b/CertificateManager/samples/V1/CertificateManagerClient/list_certificate_map_entries.php
index cae0f6e6a36f..328425c04ac7 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/list_certificate_map_entries.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/list_certificate_map_entries.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/list_certificate_maps.php b/CertificateManager/samples/V1/CertificateManagerClient/list_certificate_maps.php
index 2cb9837352d8..363b2436c276 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/list_certificate_maps.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/list_certificate_maps.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/list_certificates.php b/CertificateManager/samples/V1/CertificateManagerClient/list_certificates.php
index 11c9925841f1..5633ab9986c7 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/list_certificates.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/list_certificates.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/list_dns_authorizations.php b/CertificateManager/samples/V1/CertificateManagerClient/list_dns_authorizations.php
index e1ad2500bb21..67dc5576b94e 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/list_dns_authorizations.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/list_dns_authorizations.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/list_locations.php b/CertificateManager/samples/V1/CertificateManagerClient/list_locations.php
index 38df92f927ed..5783d2006b37 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/list_locations.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/list_locations.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/list_trust_configs.php b/CertificateManager/samples/V1/CertificateManagerClient/list_trust_configs.php
index e1667ef633d9..2f9230210323 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/list_trust_configs.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/list_trust_configs.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/update_certificate.php b/CertificateManager/samples/V1/CertificateManagerClient/update_certificate.php
index 01ae92819950..09379ef2244b 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/update_certificate.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/update_certificate.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/update_certificate_map.php b/CertificateManager/samples/V1/CertificateManagerClient/update_certificate_map.php
index 718d913df19d..3f2335de36c0 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/update_certificate_map.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/update_certificate_map.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/update_certificate_map_entry.php b/CertificateManager/samples/V1/CertificateManagerClient/update_certificate_map_entry.php
index 3f09d0ba7b0d..430a97e0c95b 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/update_certificate_map_entry.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/update_certificate_map_entry.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/update_dns_authorization.php b/CertificateManager/samples/V1/CertificateManagerClient/update_dns_authorization.php
index f842db852d8c..675bf5c2803d 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/update_dns_authorization.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/update_dns_authorization.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2022 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/samples/V1/CertificateManagerClient/update_trust_config.php b/CertificateManager/samples/V1/CertificateManagerClient/update_trust_config.php
index b9ae6d221556..976db432ec0c 100644
--- a/CertificateManager/samples/V1/CertificateManagerClient/update_trust_config.php
+++ b/CertificateManager/samples/V1/CertificateManagerClient/update_trust_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/src/V1/Client/CertificateManagerClient.php b/CertificateManager/src/V1/Client/CertificateManagerClient.php
index 2d670d338d4c..f22c61a5a22d 100644
--- a/CertificateManager/src/V1/Client/CertificateManagerClient.php
+++ b/CertificateManager/src/V1/Client/CertificateManagerClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/src/V1/resources/certificate_manager_descriptor_config.php b/CertificateManager/src/V1/resources/certificate_manager_descriptor_config.php
index f125748025cd..afdce3d68851 100644
--- a/CertificateManager/src/V1/resources/certificate_manager_descriptor_config.php
+++ b/CertificateManager/src/V1/resources/certificate_manager_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/src/V1/resources/certificate_manager_rest_client_config.php b/CertificateManager/src/V1/resources/certificate_manager_rest_client_config.php
index 5036313a7cab..6e15ac97e3a2 100644
--- a/CertificateManager/src/V1/resources/certificate_manager_rest_client_config.php
+++ b/CertificateManager/src/V1/resources/certificate_manager_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CertificateManager/tests/Unit/V1/Client/CertificateManagerClientTest.php b/CertificateManager/tests/Unit/V1/Client/CertificateManagerClientTest.php
index fed7290c9701..d61dca5345ff 100644
--- a/CertificateManager/tests/Unit/V1/Client/CertificateManagerClientTest.php
+++ b/CertificateManager/tests/Unit/V1/Client/CertificateManagerClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Ces/owlbot.py b/Ces/owlbot.py
index 1eb0a1be597f..afe67103d34f 100644
--- a/Ces/owlbot.py
+++ b/Ces/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2024 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/Channel/owlbot.py b/Channel/owlbot.py
index c919d1ad4ba4..2da7e63c2bcf 100644
--- a/Channel/owlbot.py
+++ b/Channel/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelReportsServiceClient/fetch_report_results.php b/Channel/samples/V1/CloudChannelReportsServiceClient/fetch_report_results.php
index 254aa26ce475..2cc20c4a3e13 100644
--- a/Channel/samples/V1/CloudChannelReportsServiceClient/fetch_report_results.php
+++ b/Channel/samples/V1/CloudChannelReportsServiceClient/fetch_report_results.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelReportsServiceClient/list_reports.php b/Channel/samples/V1/CloudChannelReportsServiceClient/list_reports.php
index 90fbd4542134..1f4de04e8612 100644
--- a/Channel/samples/V1/CloudChannelReportsServiceClient/list_reports.php
+++ b/Channel/samples/V1/CloudChannelReportsServiceClient/list_reports.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelReportsServiceClient/run_report_job.php b/Channel/samples/V1/CloudChannelReportsServiceClient/run_report_job.php
index 497e37550fcb..0a09ac30f2bb 100644
--- a/Channel/samples/V1/CloudChannelReportsServiceClient/run_report_job.php
+++ b/Channel/samples/V1/CloudChannelReportsServiceClient/run_report_job.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/activate_entitlement.php b/Channel/samples/V1/CloudChannelServiceClient/activate_entitlement.php
index 02c90848e9b0..5edb35b97307 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/activate_entitlement.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/activate_entitlement.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/cancel_entitlement.php b/Channel/samples/V1/CloudChannelServiceClient/cancel_entitlement.php
index f22ddc6e5ba1..576a2b85e2c8 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/cancel_entitlement.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/cancel_entitlement.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/change_offer.php b/Channel/samples/V1/CloudChannelServiceClient/change_offer.php
index a4c1404dd1d8..53ebd6e30c90 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/change_offer.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/change_offer.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/change_parameters.php b/Channel/samples/V1/CloudChannelServiceClient/change_parameters.php
index 4d89abd47420..c41c379fdcc7 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/change_parameters.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/change_parameters.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/change_renewal_settings.php b/Channel/samples/V1/CloudChannelServiceClient/change_renewal_settings.php
index 4a7c6f23b42b..c8de94dbdf85 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/change_renewal_settings.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/change_renewal_settings.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/check_cloud_identity_accounts_exist.php b/Channel/samples/V1/CloudChannelServiceClient/check_cloud_identity_accounts_exist.php
index 4485be4347b3..c491af404544 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/check_cloud_identity_accounts_exist.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/check_cloud_identity_accounts_exist.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/create_channel_partner_link.php b/Channel/samples/V1/CloudChannelServiceClient/create_channel_partner_link.php
index 4240cecb4ec3..7c293ef10f64 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/create_channel_partner_link.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/create_channel_partner_link.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/create_channel_partner_repricing_config.php b/Channel/samples/V1/CloudChannelServiceClient/create_channel_partner_repricing_config.php
index eceaf28ae937..c071e09d9382 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/create_channel_partner_repricing_config.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/create_channel_partner_repricing_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/create_customer.php b/Channel/samples/V1/CloudChannelServiceClient/create_customer.php
index 0ba8e1187eb3..e4f42d72f744 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/create_customer.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/create_customer.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/create_customer_repricing_config.php b/Channel/samples/V1/CloudChannelServiceClient/create_customer_repricing_config.php
index eb57c55f867f..49bbf3551698 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/create_customer_repricing_config.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/create_customer_repricing_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/create_entitlement.php b/Channel/samples/V1/CloudChannelServiceClient/create_entitlement.php
index 49c5a157d250..eac602a30c0b 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/create_entitlement.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/create_entitlement.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/delete_channel_partner_repricing_config.php b/Channel/samples/V1/CloudChannelServiceClient/delete_channel_partner_repricing_config.php
index be744e198ab1..11c8db7bc7aa 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/delete_channel_partner_repricing_config.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/delete_channel_partner_repricing_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/delete_customer.php b/Channel/samples/V1/CloudChannelServiceClient/delete_customer.php
index e97d016a15d0..2662a6521cc8 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/delete_customer.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/delete_customer.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/delete_customer_repricing_config.php b/Channel/samples/V1/CloudChannelServiceClient/delete_customer_repricing_config.php
index f83254a403a6..c430a5757bb7 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/delete_customer_repricing_config.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/delete_customer_repricing_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/get_channel_partner_link.php b/Channel/samples/V1/CloudChannelServiceClient/get_channel_partner_link.php
index aabd6795ecc5..f14268d62d2e 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/get_channel_partner_link.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/get_channel_partner_link.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/get_channel_partner_repricing_config.php b/Channel/samples/V1/CloudChannelServiceClient/get_channel_partner_repricing_config.php
index 60993090f42d..458ba2eb1172 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/get_channel_partner_repricing_config.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/get_channel_partner_repricing_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/get_customer.php b/Channel/samples/V1/CloudChannelServiceClient/get_customer.php
index f106988a7fa6..8535e2ec1b25 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/get_customer.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/get_customer.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/get_customer_repricing_config.php b/Channel/samples/V1/CloudChannelServiceClient/get_customer_repricing_config.php
index 0a1022ecf5f3..c5efd5c71568 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/get_customer_repricing_config.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/get_customer_repricing_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/get_entitlement.php b/Channel/samples/V1/CloudChannelServiceClient/get_entitlement.php
index 021493d25d51..2f6598d15f3b 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/get_entitlement.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/get_entitlement.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/import_customer.php b/Channel/samples/V1/CloudChannelServiceClient/import_customer.php
index 856c33c8c9ef..cc80472b545a 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/import_customer.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/import_customer.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/list_channel_partner_links.php b/Channel/samples/V1/CloudChannelServiceClient/list_channel_partner_links.php
index 3f01d8e0655b..3a485b78d2c6 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/list_channel_partner_links.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/list_channel_partner_links.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/list_channel_partner_repricing_configs.php b/Channel/samples/V1/CloudChannelServiceClient/list_channel_partner_repricing_configs.php
index 9f6f2a84a66e..2eb9ceebbea0 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/list_channel_partner_repricing_configs.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/list_channel_partner_repricing_configs.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/list_customer_repricing_configs.php b/Channel/samples/V1/CloudChannelServiceClient/list_customer_repricing_configs.php
index 46d5f63f0109..e0bddaa829b5 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/list_customer_repricing_configs.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/list_customer_repricing_configs.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/list_customers.php b/Channel/samples/V1/CloudChannelServiceClient/list_customers.php
index 9b85edecf4ea..cc98d9f176de 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/list_customers.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/list_customers.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/list_entitlement_changes.php b/Channel/samples/V1/CloudChannelServiceClient/list_entitlement_changes.php
index 5cc2825bd916..713b91765ffa 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/list_entitlement_changes.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/list_entitlement_changes.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/list_entitlements.php b/Channel/samples/V1/CloudChannelServiceClient/list_entitlements.php
index c964d2f0c04e..4892c95894c8 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/list_entitlements.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/list_entitlements.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/list_offers.php b/Channel/samples/V1/CloudChannelServiceClient/list_offers.php
index 7f00e15c86c9..22db08e9500a 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/list_offers.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/list_offers.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/list_products.php b/Channel/samples/V1/CloudChannelServiceClient/list_products.php
index f5aa296bb3f2..08343f239383 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/list_products.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/list_products.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/list_purchasable_offers.php b/Channel/samples/V1/CloudChannelServiceClient/list_purchasable_offers.php
index 06fbd8e6c7df..2a0b75381d81 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/list_purchasable_offers.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/list_purchasable_offers.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/list_purchasable_skus.php b/Channel/samples/V1/CloudChannelServiceClient/list_purchasable_skus.php
index 9c5e15ac97b5..14588525237e 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/list_purchasable_skus.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/list_purchasable_skus.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/list_sku_group_billable_skus.php b/Channel/samples/V1/CloudChannelServiceClient/list_sku_group_billable_skus.php
index 550eb420be61..89ce49471d88 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/list_sku_group_billable_skus.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/list_sku_group_billable_skus.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/list_sku_groups.php b/Channel/samples/V1/CloudChannelServiceClient/list_sku_groups.php
index dc70bdc06d50..5232c8fecbe2 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/list_sku_groups.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/list_sku_groups.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/list_skus.php b/Channel/samples/V1/CloudChannelServiceClient/list_skus.php
index 27259930751b..ae370620f8ca 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/list_skus.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/list_skus.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/list_subscribers.php b/Channel/samples/V1/CloudChannelServiceClient/list_subscribers.php
index 2268fc5857f5..8f9230c774eb 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/list_subscribers.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/list_subscribers.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/list_transferable_offers.php b/Channel/samples/V1/CloudChannelServiceClient/list_transferable_offers.php
index 1fe1fe57f2f8..434b26e1d631 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/list_transferable_offers.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/list_transferable_offers.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/list_transferable_skus.php b/Channel/samples/V1/CloudChannelServiceClient/list_transferable_skus.php
index e330c078bbfb..c4130d3df4d3 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/list_transferable_skus.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/list_transferable_skus.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/lookup_offer.php b/Channel/samples/V1/CloudChannelServiceClient/lookup_offer.php
index efd03ccfdc43..3690576e19e8 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/lookup_offer.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/lookup_offer.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/provision_cloud_identity.php b/Channel/samples/V1/CloudChannelServiceClient/provision_cloud_identity.php
index affe13048dc9..84a249698362 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/provision_cloud_identity.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/provision_cloud_identity.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/query_eligible_billing_accounts.php b/Channel/samples/V1/CloudChannelServiceClient/query_eligible_billing_accounts.php
index c52796cb53e6..dad6323907d8 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/query_eligible_billing_accounts.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/query_eligible_billing_accounts.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/register_subscriber.php b/Channel/samples/V1/CloudChannelServiceClient/register_subscriber.php
index d55560aae528..f3d2eabb9d63 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/register_subscriber.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/register_subscriber.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/start_paid_service.php b/Channel/samples/V1/CloudChannelServiceClient/start_paid_service.php
index fb78a5d45b8a..c8ae3d5cb5b4 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/start_paid_service.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/start_paid_service.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/suspend_entitlement.php b/Channel/samples/V1/CloudChannelServiceClient/suspend_entitlement.php
index e07727ba698c..9e4e94658f89 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/suspend_entitlement.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/suspend_entitlement.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/transfer_entitlements.php b/Channel/samples/V1/CloudChannelServiceClient/transfer_entitlements.php
index 4b0b5bdefcfe..b6e853934fc2 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/transfer_entitlements.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/transfer_entitlements.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/transfer_entitlements_to_google.php b/Channel/samples/V1/CloudChannelServiceClient/transfer_entitlements_to_google.php
index 52167f19c625..e3f672663351 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/transfer_entitlements_to_google.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/transfer_entitlements_to_google.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/unregister_subscriber.php b/Channel/samples/V1/CloudChannelServiceClient/unregister_subscriber.php
index 354f95f6c3b1..c79251640916 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/unregister_subscriber.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/unregister_subscriber.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/update_channel_partner_link.php b/Channel/samples/V1/CloudChannelServiceClient/update_channel_partner_link.php
index 975366df343a..3235e6b76075 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/update_channel_partner_link.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/update_channel_partner_link.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/update_channel_partner_repricing_config.php b/Channel/samples/V1/CloudChannelServiceClient/update_channel_partner_repricing_config.php
index 23488f0ae895..3443326ad174 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/update_channel_partner_repricing_config.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/update_channel_partner_repricing_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/update_customer.php b/Channel/samples/V1/CloudChannelServiceClient/update_customer.php
index 67e203ec98b0..1b1f0a004759 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/update_customer.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/update_customer.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/samples/V1/CloudChannelServiceClient/update_customer_repricing_config.php b/Channel/samples/V1/CloudChannelServiceClient/update_customer_repricing_config.php
index b05e7d8b4e4b..ceb52b1709f9 100644
--- a/Channel/samples/V1/CloudChannelServiceClient/update_customer_repricing_config.php
+++ b/Channel/samples/V1/CloudChannelServiceClient/update_customer_repricing_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/src/V1/Client/CloudChannelReportsServiceClient.php b/Channel/src/V1/Client/CloudChannelReportsServiceClient.php
index 17d1b7218ea9..dae9a30acbb5 100644
--- a/Channel/src/V1/Client/CloudChannelReportsServiceClient.php
+++ b/Channel/src/V1/Client/CloudChannelReportsServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/src/V1/Client/CloudChannelServiceClient.php b/Channel/src/V1/Client/CloudChannelServiceClient.php
index 1ad83c7faa08..bc8457199219 100644
--- a/Channel/src/V1/Client/CloudChannelServiceClient.php
+++ b/Channel/src/V1/Client/CloudChannelServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/src/V1/resources/cloud_channel_reports_service_descriptor_config.php b/Channel/src/V1/resources/cloud_channel_reports_service_descriptor_config.php
index 4feb1760276c..634f46a9bad2 100644
--- a/Channel/src/V1/resources/cloud_channel_reports_service_descriptor_config.php
+++ b/Channel/src/V1/resources/cloud_channel_reports_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/src/V1/resources/cloud_channel_reports_service_rest_client_config.php b/Channel/src/V1/resources/cloud_channel_reports_service_rest_client_config.php
index ca86373ca9f0..206fb3ea7bfb 100644
--- a/Channel/src/V1/resources/cloud_channel_reports_service_rest_client_config.php
+++ b/Channel/src/V1/resources/cloud_channel_reports_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/src/V1/resources/cloud_channel_service_descriptor_config.php b/Channel/src/V1/resources/cloud_channel_service_descriptor_config.php
index 79fbf565af1d..b4a10e515135 100644
--- a/Channel/src/V1/resources/cloud_channel_service_descriptor_config.php
+++ b/Channel/src/V1/resources/cloud_channel_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/src/V1/resources/cloud_channel_service_rest_client_config.php b/Channel/src/V1/resources/cloud_channel_service_rest_client_config.php
index 92b2065c80b3..f613e1da566a 100644
--- a/Channel/src/V1/resources/cloud_channel_service_rest_client_config.php
+++ b/Channel/src/V1/resources/cloud_channel_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/tests/Unit/V1/Client/CloudChannelReportsServiceClientTest.php b/Channel/tests/Unit/V1/Client/CloudChannelReportsServiceClientTest.php
index 31ec1df57a2e..6d56a584e17b 100644
--- a/Channel/tests/Unit/V1/Client/CloudChannelReportsServiceClientTest.php
+++ b/Channel/tests/Unit/V1/Client/CloudChannelReportsServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Channel/tests/Unit/V1/Client/CloudChannelServiceClientTest.php b/Channel/tests/Unit/V1/Client/CloudChannelServiceClientTest.php
index f455683b64a6..9c22e263c592 100644
--- a/Channel/tests/Unit/V1/Client/CloudChannelServiceClientTest.php
+++ b/Channel/tests/Unit/V1/Client/CloudChannelServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/owlbot.py b/Chronicle/owlbot.py
index 28c64e7d33d1..081164f95e8a 100644
--- a/Chronicle/owlbot.py
+++ b/Chronicle/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2024 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/DataAccessControlServiceClient/create_data_access_label.php b/Chronicle/samples/V1/DataAccessControlServiceClient/create_data_access_label.php
index 1be7e7c7d981..0623874acf9e 100644
--- a/Chronicle/samples/V1/DataAccessControlServiceClient/create_data_access_label.php
+++ b/Chronicle/samples/V1/DataAccessControlServiceClient/create_data_access_label.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/DataAccessControlServiceClient/create_data_access_scope.php b/Chronicle/samples/V1/DataAccessControlServiceClient/create_data_access_scope.php
index 5457c75b1359..5219ceb6ae38 100644
--- a/Chronicle/samples/V1/DataAccessControlServiceClient/create_data_access_scope.php
+++ b/Chronicle/samples/V1/DataAccessControlServiceClient/create_data_access_scope.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/DataAccessControlServiceClient/delete_data_access_label.php b/Chronicle/samples/V1/DataAccessControlServiceClient/delete_data_access_label.php
index 057fbc4da91a..3c885880892f 100644
--- a/Chronicle/samples/V1/DataAccessControlServiceClient/delete_data_access_label.php
+++ b/Chronicle/samples/V1/DataAccessControlServiceClient/delete_data_access_label.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/DataAccessControlServiceClient/delete_data_access_scope.php b/Chronicle/samples/V1/DataAccessControlServiceClient/delete_data_access_scope.php
index 8163552f79bd..41f166b0bf41 100644
--- a/Chronicle/samples/V1/DataAccessControlServiceClient/delete_data_access_scope.php
+++ b/Chronicle/samples/V1/DataAccessControlServiceClient/delete_data_access_scope.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/DataAccessControlServiceClient/get_data_access_label.php b/Chronicle/samples/V1/DataAccessControlServiceClient/get_data_access_label.php
index 68771944b8ea..7b8c83109598 100644
--- a/Chronicle/samples/V1/DataAccessControlServiceClient/get_data_access_label.php
+++ b/Chronicle/samples/V1/DataAccessControlServiceClient/get_data_access_label.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/DataAccessControlServiceClient/get_data_access_scope.php b/Chronicle/samples/V1/DataAccessControlServiceClient/get_data_access_scope.php
index 0a11b657e845..e434c9be6db8 100644
--- a/Chronicle/samples/V1/DataAccessControlServiceClient/get_data_access_scope.php
+++ b/Chronicle/samples/V1/DataAccessControlServiceClient/get_data_access_scope.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/DataAccessControlServiceClient/list_data_access_labels.php b/Chronicle/samples/V1/DataAccessControlServiceClient/list_data_access_labels.php
index 80e558342534..f831204ae17d 100644
--- a/Chronicle/samples/V1/DataAccessControlServiceClient/list_data_access_labels.php
+++ b/Chronicle/samples/V1/DataAccessControlServiceClient/list_data_access_labels.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/DataAccessControlServiceClient/list_data_access_scopes.php b/Chronicle/samples/V1/DataAccessControlServiceClient/list_data_access_scopes.php
index bbd91817e20a..ac4cfa39ba9e 100644
--- a/Chronicle/samples/V1/DataAccessControlServiceClient/list_data_access_scopes.php
+++ b/Chronicle/samples/V1/DataAccessControlServiceClient/list_data_access_scopes.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/DataAccessControlServiceClient/update_data_access_label.php b/Chronicle/samples/V1/DataAccessControlServiceClient/update_data_access_label.php
index 42e9466d4a1e..e949373ca7f3 100644
--- a/Chronicle/samples/V1/DataAccessControlServiceClient/update_data_access_label.php
+++ b/Chronicle/samples/V1/DataAccessControlServiceClient/update_data_access_label.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/DataAccessControlServiceClient/update_data_access_scope.php b/Chronicle/samples/V1/DataAccessControlServiceClient/update_data_access_scope.php
index e2d5a1a79a79..33d0d8a4424b 100644
--- a/Chronicle/samples/V1/DataAccessControlServiceClient/update_data_access_scope.php
+++ b/Chronicle/samples/V1/DataAccessControlServiceClient/update_data_access_scope.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/EntityServiceClient/create_watchlist.php b/Chronicle/samples/V1/EntityServiceClient/create_watchlist.php
index 05c15e0a8d27..fc91d0f75173 100644
--- a/Chronicle/samples/V1/EntityServiceClient/create_watchlist.php
+++ b/Chronicle/samples/V1/EntityServiceClient/create_watchlist.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/EntityServiceClient/delete_watchlist.php b/Chronicle/samples/V1/EntityServiceClient/delete_watchlist.php
index 8425217c040b..a4f794c71488 100644
--- a/Chronicle/samples/V1/EntityServiceClient/delete_watchlist.php
+++ b/Chronicle/samples/V1/EntityServiceClient/delete_watchlist.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/EntityServiceClient/get_watchlist.php b/Chronicle/samples/V1/EntityServiceClient/get_watchlist.php
index 8cb6d904ebba..f2c0679734af 100644
--- a/Chronicle/samples/V1/EntityServiceClient/get_watchlist.php
+++ b/Chronicle/samples/V1/EntityServiceClient/get_watchlist.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/EntityServiceClient/list_watchlists.php b/Chronicle/samples/V1/EntityServiceClient/list_watchlists.php
index 2cf9d8aee574..b3db33e4e1d2 100644
--- a/Chronicle/samples/V1/EntityServiceClient/list_watchlists.php
+++ b/Chronicle/samples/V1/EntityServiceClient/list_watchlists.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/EntityServiceClient/update_watchlist.php b/Chronicle/samples/V1/EntityServiceClient/update_watchlist.php
index 8863f5bffdea..193fe9ee02c9 100644
--- a/Chronicle/samples/V1/EntityServiceClient/update_watchlist.php
+++ b/Chronicle/samples/V1/EntityServiceClient/update_watchlist.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/InstanceServiceClient/get_instance.php b/Chronicle/samples/V1/InstanceServiceClient/get_instance.php
index 30d76a4d7a85..3f58906ea662 100644
--- a/Chronicle/samples/V1/InstanceServiceClient/get_instance.php
+++ b/Chronicle/samples/V1/InstanceServiceClient/get_instance.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/ReferenceListServiceClient/create_reference_list.php b/Chronicle/samples/V1/ReferenceListServiceClient/create_reference_list.php
index 8ddc76edd4dd..064b32ca29d0 100644
--- a/Chronicle/samples/V1/ReferenceListServiceClient/create_reference_list.php
+++ b/Chronicle/samples/V1/ReferenceListServiceClient/create_reference_list.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/ReferenceListServiceClient/get_reference_list.php b/Chronicle/samples/V1/ReferenceListServiceClient/get_reference_list.php
index dfeac47e7540..5e6d4986fbfb 100644
--- a/Chronicle/samples/V1/ReferenceListServiceClient/get_reference_list.php
+++ b/Chronicle/samples/V1/ReferenceListServiceClient/get_reference_list.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/ReferenceListServiceClient/list_reference_lists.php b/Chronicle/samples/V1/ReferenceListServiceClient/list_reference_lists.php
index ae6661b35ae3..5fef5d03cbeb 100644
--- a/Chronicle/samples/V1/ReferenceListServiceClient/list_reference_lists.php
+++ b/Chronicle/samples/V1/ReferenceListServiceClient/list_reference_lists.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/ReferenceListServiceClient/update_reference_list.php b/Chronicle/samples/V1/ReferenceListServiceClient/update_reference_list.php
index 828789cfff71..2ea81ccc24e2 100644
--- a/Chronicle/samples/V1/ReferenceListServiceClient/update_reference_list.php
+++ b/Chronicle/samples/V1/ReferenceListServiceClient/update_reference_list.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/RuleServiceClient/create_retrohunt.php b/Chronicle/samples/V1/RuleServiceClient/create_retrohunt.php
index a060921ef98c..72fe02a04c79 100644
--- a/Chronicle/samples/V1/RuleServiceClient/create_retrohunt.php
+++ b/Chronicle/samples/V1/RuleServiceClient/create_retrohunt.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/RuleServiceClient/create_rule.php b/Chronicle/samples/V1/RuleServiceClient/create_rule.php
index 204eb9751b08..4e49df99d1e9 100644
--- a/Chronicle/samples/V1/RuleServiceClient/create_rule.php
+++ b/Chronicle/samples/V1/RuleServiceClient/create_rule.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/RuleServiceClient/delete_rule.php b/Chronicle/samples/V1/RuleServiceClient/delete_rule.php
index e6acc740fe4a..229fd626bf85 100644
--- a/Chronicle/samples/V1/RuleServiceClient/delete_rule.php
+++ b/Chronicle/samples/V1/RuleServiceClient/delete_rule.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/RuleServiceClient/get_retrohunt.php b/Chronicle/samples/V1/RuleServiceClient/get_retrohunt.php
index 953842e5ec2a..9a17dfe2f0fc 100644
--- a/Chronicle/samples/V1/RuleServiceClient/get_retrohunt.php
+++ b/Chronicle/samples/V1/RuleServiceClient/get_retrohunt.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/RuleServiceClient/get_rule.php b/Chronicle/samples/V1/RuleServiceClient/get_rule.php
index 839f4c5e86a6..9b7b735b3cbb 100644
--- a/Chronicle/samples/V1/RuleServiceClient/get_rule.php
+++ b/Chronicle/samples/V1/RuleServiceClient/get_rule.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/RuleServiceClient/get_rule_deployment.php b/Chronicle/samples/V1/RuleServiceClient/get_rule_deployment.php
index 25bc2b110ad0..16ac2aee8b32 100644
--- a/Chronicle/samples/V1/RuleServiceClient/get_rule_deployment.php
+++ b/Chronicle/samples/V1/RuleServiceClient/get_rule_deployment.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/RuleServiceClient/list_retrohunts.php b/Chronicle/samples/V1/RuleServiceClient/list_retrohunts.php
index 7908d0a9922e..c20092aee588 100644
--- a/Chronicle/samples/V1/RuleServiceClient/list_retrohunts.php
+++ b/Chronicle/samples/V1/RuleServiceClient/list_retrohunts.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/RuleServiceClient/list_rule_deployments.php b/Chronicle/samples/V1/RuleServiceClient/list_rule_deployments.php
index e47ffb7a63bb..0a63256b173c 100644
--- a/Chronicle/samples/V1/RuleServiceClient/list_rule_deployments.php
+++ b/Chronicle/samples/V1/RuleServiceClient/list_rule_deployments.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/RuleServiceClient/list_rule_revisions.php b/Chronicle/samples/V1/RuleServiceClient/list_rule_revisions.php
index d80a4b9a2338..44ffc527c875 100644
--- a/Chronicle/samples/V1/RuleServiceClient/list_rule_revisions.php
+++ b/Chronicle/samples/V1/RuleServiceClient/list_rule_revisions.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/RuleServiceClient/list_rules.php b/Chronicle/samples/V1/RuleServiceClient/list_rules.php
index c288519e8504..aa9cb76ebdd3 100644
--- a/Chronicle/samples/V1/RuleServiceClient/list_rules.php
+++ b/Chronicle/samples/V1/RuleServiceClient/list_rules.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/RuleServiceClient/update_rule.php b/Chronicle/samples/V1/RuleServiceClient/update_rule.php
index 6c9f48d8c227..5462edfd5766 100644
--- a/Chronicle/samples/V1/RuleServiceClient/update_rule.php
+++ b/Chronicle/samples/V1/RuleServiceClient/update_rule.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/samples/V1/RuleServiceClient/update_rule_deployment.php b/Chronicle/samples/V1/RuleServiceClient/update_rule_deployment.php
index 9ea8fe34c21d..8d9d5600aec3 100644
--- a/Chronicle/samples/V1/RuleServiceClient/update_rule_deployment.php
+++ b/Chronicle/samples/V1/RuleServiceClient/update_rule_deployment.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/src/V1/Client/DataAccessControlServiceClient.php b/Chronicle/src/V1/Client/DataAccessControlServiceClient.php
index 26140b16d1bb..847124294728 100644
--- a/Chronicle/src/V1/Client/DataAccessControlServiceClient.php
+++ b/Chronicle/src/V1/Client/DataAccessControlServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/src/V1/Client/EntityServiceClient.php b/Chronicle/src/V1/Client/EntityServiceClient.php
index 385334223c18..700425b88bae 100644
--- a/Chronicle/src/V1/Client/EntityServiceClient.php
+++ b/Chronicle/src/V1/Client/EntityServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/src/V1/Client/InstanceServiceClient.php b/Chronicle/src/V1/Client/InstanceServiceClient.php
index b23468716083..c6209fd29bef 100644
--- a/Chronicle/src/V1/Client/InstanceServiceClient.php
+++ b/Chronicle/src/V1/Client/InstanceServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/src/V1/Client/ReferenceListServiceClient.php b/Chronicle/src/V1/Client/ReferenceListServiceClient.php
index 4d2ae2940fcf..685f6caa5ecd 100644
--- a/Chronicle/src/V1/Client/ReferenceListServiceClient.php
+++ b/Chronicle/src/V1/Client/ReferenceListServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/src/V1/Client/RuleServiceClient.php b/Chronicle/src/V1/Client/RuleServiceClient.php
index 8726dd708a80..c84cb46174e9 100644
--- a/Chronicle/src/V1/Client/RuleServiceClient.php
+++ b/Chronicle/src/V1/Client/RuleServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/src/V1/resources/data_access_control_service_descriptor_config.php b/Chronicle/src/V1/resources/data_access_control_service_descriptor_config.php
index 6cb3e6d32b09..c8a4082ca4c9 100644
--- a/Chronicle/src/V1/resources/data_access_control_service_descriptor_config.php
+++ b/Chronicle/src/V1/resources/data_access_control_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/src/V1/resources/data_access_control_service_rest_client_config.php b/Chronicle/src/V1/resources/data_access_control_service_rest_client_config.php
index ddbb9143b7f5..5541511b522c 100644
--- a/Chronicle/src/V1/resources/data_access_control_service_rest_client_config.php
+++ b/Chronicle/src/V1/resources/data_access_control_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/src/V1/resources/entity_service_descriptor_config.php b/Chronicle/src/V1/resources/entity_service_descriptor_config.php
index 8a6f0f372164..3e621e9503b3 100644
--- a/Chronicle/src/V1/resources/entity_service_descriptor_config.php
+++ b/Chronicle/src/V1/resources/entity_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/src/V1/resources/entity_service_rest_client_config.php b/Chronicle/src/V1/resources/entity_service_rest_client_config.php
index 97ec44143084..eebd35bba736 100644
--- a/Chronicle/src/V1/resources/entity_service_rest_client_config.php
+++ b/Chronicle/src/V1/resources/entity_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/src/V1/resources/instance_service_descriptor_config.php b/Chronicle/src/V1/resources/instance_service_descriptor_config.php
index dd026d964be2..7f7d60f75b19 100644
--- a/Chronicle/src/V1/resources/instance_service_descriptor_config.php
+++ b/Chronicle/src/V1/resources/instance_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/src/V1/resources/instance_service_rest_client_config.php b/Chronicle/src/V1/resources/instance_service_rest_client_config.php
index 86b5067bef25..d4685582daa0 100644
--- a/Chronicle/src/V1/resources/instance_service_rest_client_config.php
+++ b/Chronicle/src/V1/resources/instance_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/src/V1/resources/reference_list_service_descriptor_config.php b/Chronicle/src/V1/resources/reference_list_service_descriptor_config.php
index d4dbba82be2b..8b8da0075a60 100644
--- a/Chronicle/src/V1/resources/reference_list_service_descriptor_config.php
+++ b/Chronicle/src/V1/resources/reference_list_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/src/V1/resources/reference_list_service_rest_client_config.php b/Chronicle/src/V1/resources/reference_list_service_rest_client_config.php
index 3d3083da91c2..dcd7c239463b 100644
--- a/Chronicle/src/V1/resources/reference_list_service_rest_client_config.php
+++ b/Chronicle/src/V1/resources/reference_list_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/src/V1/resources/rule_service_descriptor_config.php b/Chronicle/src/V1/resources/rule_service_descriptor_config.php
index a84a0f53c1e2..35d281e06fe1 100644
--- a/Chronicle/src/V1/resources/rule_service_descriptor_config.php
+++ b/Chronicle/src/V1/resources/rule_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/src/V1/resources/rule_service_rest_client_config.php b/Chronicle/src/V1/resources/rule_service_rest_client_config.php
index 61e94bb59751..ee943efb7e54 100644
--- a/Chronicle/src/V1/resources/rule_service_rest_client_config.php
+++ b/Chronicle/src/V1/resources/rule_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/tests/Unit/V1/Client/DataAccessControlServiceClientTest.php b/Chronicle/tests/Unit/V1/Client/DataAccessControlServiceClientTest.php
index e98ff30d7ae6..e6ea14e01a0a 100644
--- a/Chronicle/tests/Unit/V1/Client/DataAccessControlServiceClientTest.php
+++ b/Chronicle/tests/Unit/V1/Client/DataAccessControlServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/tests/Unit/V1/Client/EntityServiceClientTest.php b/Chronicle/tests/Unit/V1/Client/EntityServiceClientTest.php
index 888cec59d7c7..de0a8a5dc872 100644
--- a/Chronicle/tests/Unit/V1/Client/EntityServiceClientTest.php
+++ b/Chronicle/tests/Unit/V1/Client/EntityServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/tests/Unit/V1/Client/InstanceServiceClientTest.php b/Chronicle/tests/Unit/V1/Client/InstanceServiceClientTest.php
index fbd6221ab1ec..2d57fbaa8d09 100644
--- a/Chronicle/tests/Unit/V1/Client/InstanceServiceClientTest.php
+++ b/Chronicle/tests/Unit/V1/Client/InstanceServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/tests/Unit/V1/Client/ReferenceListServiceClientTest.php b/Chronicle/tests/Unit/V1/Client/ReferenceListServiceClientTest.php
index 8101b55793aa..f71eb19b1001 100644
--- a/Chronicle/tests/Unit/V1/Client/ReferenceListServiceClientTest.php
+++ b/Chronicle/tests/Unit/V1/Client/ReferenceListServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/Chronicle/tests/Unit/V1/Client/RuleServiceClientTest.php b/Chronicle/tests/Unit/V1/Client/RuleServiceClientTest.php
index f08697175022..48adbd6d4689 100644
--- a/Chronicle/tests/Unit/V1/Client/RuleServiceClientTest.php
+++ b/Chronicle/tests/Unit/V1/Client/RuleServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CloudCommonProtos/owlbot.py b/CloudCommonProtos/owlbot.py
index a7d9ce73a9a3..049e620a6a6e 100644
--- a/CloudCommonProtos/owlbot.py
+++ b/CloudCommonProtos/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2022 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/CloudCommonProtos/tests/Unit/InstantiateClassesTest.php b/CloudCommonProtos/tests/Unit/InstantiateClassesTest.php
index 662e3601f90e..3931467b49f3 100644
--- a/CloudCommonProtos/tests/Unit/InstantiateClassesTest.php
+++ b/CloudCommonProtos/tests/Unit/InstantiateClassesTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2018 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/owlbot.py b/CommerceConsumerProcurement/owlbot.py
index c9be6d572a8e..19c48feabf9b 100644
--- a/CommerceConsumerProcurement/owlbot.py
+++ b/CommerceConsumerProcurement/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/cancel_order.php b/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/cancel_order.php
index 34945b1ab793..594964a2b3a3 100644
--- a/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/cancel_order.php
+++ b/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/cancel_order.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/get_order.php b/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/get_order.php
index 633015e2954c..592f0c0bbda4 100644
--- a/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/get_order.php
+++ b/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/get_order.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/list_orders.php b/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/list_orders.php
index ec9cfe820485..e464f5c546ca 100644
--- a/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/list_orders.php
+++ b/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/list_orders.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/modify_order.php b/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/modify_order.php
index 2ea79ce79c8f..0325865ac218 100644
--- a/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/modify_order.php
+++ b/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/modify_order.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/place_order.php b/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/place_order.php
index 98f96a27f1a2..4ce267f255e4 100644
--- a/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/place_order.php
+++ b/CommerceConsumerProcurement/samples/V1/ConsumerProcurementServiceClient/place_order.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/assign.php b/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/assign.php
index c33ec70102dc..441281bd3877 100644
--- a/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/assign.php
+++ b/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/assign.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/enumerate_licensed_users.php b/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/enumerate_licensed_users.php
index c5a983d791d4..68b1f8db0333 100644
--- a/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/enumerate_licensed_users.php
+++ b/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/enumerate_licensed_users.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/get_license_pool.php b/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/get_license_pool.php
index 623e2151ab21..b6342b8aba3f 100644
--- a/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/get_license_pool.php
+++ b/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/get_license_pool.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/unassign.php b/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/unassign.php
index 2843103ad5d2..d39bbd60b006 100644
--- a/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/unassign.php
+++ b/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/unassign.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/update_license_pool.php b/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/update_license_pool.php
index 29d7325e6ec6..579a4a7081aa 100644
--- a/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/update_license_pool.php
+++ b/CommerceConsumerProcurement/samples/V1/LicenseManagementServiceClient/update_license_pool.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/src/V1/Client/ConsumerProcurementServiceClient.php b/CommerceConsumerProcurement/src/V1/Client/ConsumerProcurementServiceClient.php
index 9f0306ebeb03..3b62e9a82e98 100644
--- a/CommerceConsumerProcurement/src/V1/Client/ConsumerProcurementServiceClient.php
+++ b/CommerceConsumerProcurement/src/V1/Client/ConsumerProcurementServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/src/V1/Client/LicenseManagementServiceClient.php b/CommerceConsumerProcurement/src/V1/Client/LicenseManagementServiceClient.php
index 9ac23ad06426..c4047646da64 100644
--- a/CommerceConsumerProcurement/src/V1/Client/LicenseManagementServiceClient.php
+++ b/CommerceConsumerProcurement/src/V1/Client/LicenseManagementServiceClient.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/src/V1/resources/consumer_procurement_service_descriptor_config.php b/CommerceConsumerProcurement/src/V1/resources/consumer_procurement_service_descriptor_config.php
index 1c547a193562..5aa1b62e9b1b 100644
--- a/CommerceConsumerProcurement/src/V1/resources/consumer_procurement_service_descriptor_config.php
+++ b/CommerceConsumerProcurement/src/V1/resources/consumer_procurement_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/src/V1/resources/consumer_procurement_service_rest_client_config.php b/CommerceConsumerProcurement/src/V1/resources/consumer_procurement_service_rest_client_config.php
index b29e89ae9fbc..9b74b1e2f624 100644
--- a/CommerceConsumerProcurement/src/V1/resources/consumer_procurement_service_rest_client_config.php
+++ b/CommerceConsumerProcurement/src/V1/resources/consumer_procurement_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/src/V1/resources/license_management_service_descriptor_config.php b/CommerceConsumerProcurement/src/V1/resources/license_management_service_descriptor_config.php
index 6e93fa011f59..963c48058ad2 100644
--- a/CommerceConsumerProcurement/src/V1/resources/license_management_service_descriptor_config.php
+++ b/CommerceConsumerProcurement/src/V1/resources/license_management_service_descriptor_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/src/V1/resources/license_management_service_rest_client_config.php b/CommerceConsumerProcurement/src/V1/resources/license_management_service_rest_client_config.php
index ee4f86cd83fa..c7be9ef3fd0d 100644
--- a/CommerceConsumerProcurement/src/V1/resources/license_management_service_rest_client_config.php
+++ b/CommerceConsumerProcurement/src/V1/resources/license_management_service_rest_client_config.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/tests/Unit/V1/Client/ConsumerProcurementServiceClientTest.php b/CommerceConsumerProcurement/tests/Unit/V1/Client/ConsumerProcurementServiceClientTest.php
index 0b8e62ec30b5..cadf64d5ab7c 100644
--- a/CommerceConsumerProcurement/tests/Unit/V1/Client/ConsumerProcurementServiceClientTest.php
+++ b/CommerceConsumerProcurement/tests/Unit/V1/Client/ConsumerProcurementServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceConsumerProcurement/tests/Unit/V1/Client/LicenseManagementServiceClientTest.php b/CommerceConsumerProcurement/tests/Unit/V1/Client/LicenseManagementServiceClientTest.php
index a0dcd999b2ea..b9076ec4b035 100644
--- a/CommerceConsumerProcurement/tests/Unit/V1/Client/LicenseManagementServiceClientTest.php
+++ b/CommerceConsumerProcurement/tests/Unit/V1/Client/LicenseManagementServiceClientTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2024 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/CommerceProducer/owlbot.py b/CommerceProducer/owlbot.py
index 67ad006dd035..78351dc42305 100644
--- a/CommerceProducer/owlbot.py
+++ b/CommerceProducer/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2024 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/CommonProtos/owlbot.py b/CommonProtos/owlbot.py
index 7fb1432e534f..06a392bc87b3 100644
--- a/CommonProtos/owlbot.py
+++ b/CommonProtos/owlbot.py
@@ -1,4 +1,4 @@
-# Copyright 2022 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.