diff --git a/Prototyping/PVSProductionAnalysisInstall.Codeunit.al b/Prototyping/PVSProductionAnalysisInstall.Codeunit.al
new file mode 100644
index 0000000..14ee030
--- /dev/null
+++ b/Prototyping/PVSProductionAnalysisInstall.Codeunit.al
@@ -0,0 +1,29 @@
+codeunit 50102 "PVS Prod. Analysis Install"
+{
+    Subtype = Install;
+
+    trigger OnInstallAppPerCompany()
+    var
+        AppInfo: ModuleInfo;
+    begin
+        NavApp.GetCurrentModuleInfo(AppInfo);
+        if AppInfo.DataVersion() <> Version.Create('0.0.0.0') then
+            exit;
+
+        BackfillSellToFields();
+    end;
+
+    local procedure BackfillSellToFields()
+    var
+        ProductionAnalysis: Record "PrintVis Production Analysis";
+        ProductionAnalysisSellTo: Codeunit "PVS Prod. Analysis SellTo";
+    begin
+        if not ProductionAnalysis.FindSet() then
+            exit;
+
+        repeat
+            if ProductionAnalysisSellTo.SyncSellToFields(ProductionAnalysis) then
+                ProductionAnalysis.Modify(false);
+        until ProductionAnalysis.Next() = 0;
+    end;
+}
diff --git a/Prototyping/PVSProductionAnalysisSellTo.Codeunit.al b/Prototyping/PVSProductionAnalysisSellTo.Codeunit.al
new file mode 100644
index 0000000..493d56c
--- /dev/null
+++ b/Prototyping/PVSProductionAnalysisSellTo.Codeunit.al
@@ -0,0 +1,85 @@
+codeunit 50101 "PVS Prod. Analysis SellTo"
+{
+    EventSubscriberInstance = StaticAutomatic;
+
+    [EventSubscriber(ObjectType::Table, Database::"PrintVis Production Analysis", 'OnBeforeInsertEvent', '', false, false)]
+    local procedure OnBeforeInsertProductionAnalysis(var Rec: Record "PrintVis Production Analysis"; RunTrigger: Boolean)
+    begin
+        if not RunTrigger then
+            exit;
+
+        ApplySellToFields(Rec);
+    end;
+
+    [EventSubscriber(ObjectType::Table, Database::"PrintVis Production Analysis", 'OnBeforeModifyEvent', '', false, false)]
+    local procedure OnBeforeModifyProductionAnalysis(var Rec: Record "PrintVis Production Analysis"; var xRec: Record "PrintVis Production Analysis"; RunTrigger: Boolean)
+    begin
+        if not RunTrigger then
+            exit;
+
+        if not OrderNoChanged(Rec) then
+            exit;
+
+        ApplySellToFields(Rec);
+    end;
+
+    procedure ApplySellToFields(var ProductionAnalysis: Record "PrintVis Production Analysis")
+    begin
+        SyncSellToFields(ProductionAnalysis);
+    end;
+
+    procedure SyncSellToFields(var ProductionAnalysis: Record "PrintVis Production Analysis"): Boolean
+    var
+        PVSCase: Record "PVS Case";
+        SellToNo: Code[20];
+        SellToName: Text[100];
+    begin
+        if FindUniqueCaseByOrderNo(ProductionAnalysis."PrintVis Order No.", PVSCase) then begin
+            SellToNo := PVSCase."Sell-To No.";
+            SellToName := PVSCase."Sell-To Name";
+        end;
+
+        if (ProductionAnalysis."Sell-to No." = SellToNo) and (ProductionAnalysis."Sell-to Name" = SellToName) then
+            exit(false);
+
+        ProductionAnalysis."Sell-to No." := SellToNo;
+        ProductionAnalysis."Sell-to Name" := SellToName;
+        exit(true);
+    end;
+
+    local procedure FindUniqueCaseByOrderNo(PrintVisOrderNo: Code[20]; var PVSCase: Record "PVS Case"): Boolean
+    var
+        FirstPVSCase: Record "PVS Case";
+        SellToNo: Code[20];
+        SellToName: Text[100];
+    begin
+        if PrintVisOrderNo = '' then
+            exit(false);
+
+        PVSCase.SetCurrentKey("Order No.");
+        PVSCase.SetRange("Order No.", PrintVisOrderNo);
+        if not PVSCase.FindFirst() then
+            exit(false);
+
+        FirstPVSCase := PVSCase;
+        SellToNo := PVSCase."Sell-To No.";
+        SellToName := PVSCase."Sell-To Name";
+
+        while PVSCase.Next() <> 0 do
+            if (PVSCase."Sell-To No." <> SellToNo) or (PVSCase."Sell-To Name" <> SellToName) then
+                exit(false);
+
+        PVSCase := FirstPVSCase;
+        exit(true);
+    end;
+
+    local procedure OrderNoChanged(ProductionAnalysis: Record "PrintVis Production Analysis"): Boolean
+    var
+        PersistedProductionAnalysis: Record "PrintVis Production Analysis";
+        PersistedProductionAnalysisRef: RecordRef;
+    begin
+        PersistedProductionAnalysisRef.Get(ProductionAnalysis.RecordId);
+        PersistedProductionAnalysisRef.SetTable(PersistedProductionAnalysis);
+        exit(ProductionAnalysis."PrintVis Order No." <> PersistedProductionAnalysis."PrintVis Order No.");
+    end;
+}
diff --git a/Prototyping/PVSProductionAnalysisSellTo.TableExt.al b/Prototyping/PVSProductionAnalysisSellTo.TableExt.al
new file mode 100644
index 0000000..e689f4b
--- /dev/null
+++ b/Prototyping/PVSProductionAnalysisSellTo.TableExt.al
@@ -0,0 +1,27 @@
+tableextension 50100 "PVS Production Analysis SellTo" extends "PrintVis Production Analysis"
+{
+    fields
+    {
+        field(50100; "Sell-to No."; Code[20])
+        {
+            Caption = 'Sell-to No.';
+            DataClassification = CustomerContent;
+            Editable = false;
+        }
+        field(50101; "Sell-to Name"; Text[100])
+        {
+            Caption = 'Sell-to Name';
+            DataClassification = CustomerContent;
+            Editable = false;
+        }
+        modify("PrintVis Order No.")
+        {
+            trigger OnAfterValidate()
+            var
+                ProductionAnalysisSellTo: Codeunit "PVS Prod. Analysis SellTo";
+            begin
+                ProductionAnalysisSellTo.ApplySellToFields(Rec);
+            end;
+        }
+    }
+}
diff --git a/Prototyping/PVSProductionAnalysisUpgrade.Codeunit.al b/Prototyping/PVSProductionAnalysisUpgrade.Codeunit.al
new file mode 100644
index 0000000..eeaadb1
--- /dev/null
+++ b/Prototyping/PVSProductionAnalysisUpgrade.Codeunit.al
@@ -0,0 +1,23 @@
+codeunit 50103 "PVS Prod. Analysis Upgrade"
+{
+    Subtype = Upgrade;
+
+    trigger OnUpgradePerCompany()
+    begin
+        BackfillSellToFields();
+    end;
+
+    local procedure BackfillSellToFields()
+    var
+        ProductionAnalysis: Record "PrintVis Production Analysis";
+        ProductionAnalysisSellTo: Codeunit "PVS Prod. Analysis SellTo";
+    begin
+        if not ProductionAnalysis.FindSet() then
+            exit;
+
+        repeat
+            if ProductionAnalysisSellTo.SyncSellToFields(ProductionAnalysis) then
+                ProductionAnalysis.Modify(false);
+        until ProductionAnalysis.Next() = 0;
+    end;
+}
diff --git a/Prototyping/app.json b/Prototyping/app.json
index 1e78a2d..10ede88 100644
--- a/Prototyping/app.json
+++ b/Prototyping/app.json
@@ -1,8 +1,8 @@
 {
   "id": "b7d23e82-11ae-4172-9289-6e9584df4759",
   "name": "Prototyping",
-  "publisher": "PrintVis",
-  "version": "1.0.0.0",
+  "publisher": "PrintVis A/S",
+  "version": "1.0.0.1",
   "brief": "",
   "description": "",
   "privacyStatement": "",
@@ -15,7 +15,7 @@
       "id": "5452f323-059e-499a-9753-5d2c07eef904",
       "name": "PrintVis",
       "publisher": "PrintVis A/S",
-      "version": "28.0.0.0"
+      "version": "28.1.2.9"
     }
   ],
   "screenshots": [],