diff --git a/src/StreetNameRegistry.Api.BackOffice/StreetNameController-ProposeForMunicipalityMerger.cs b/src/StreetNameRegistry.Api.BackOffice/StreetNameController-ProposeForMunicipalityMerger.cs
index 649da30c0..cf9f169fa 100644
--- a/src/StreetNameRegistry.Api.BackOffice/StreetNameController-ProposeForMunicipalityMerger.cs
+++ b/src/StreetNameRegistry.Api.BackOffice/StreetNameController-ProposeForMunicipalityMerger.cs
@@ -85,7 +85,7 @@ public async Task<IActionResult> ProposeForMunicipalityMerger(
                             recordNr++;
 
                             var oldNisCode = csv.GetField<string>("OUD NIS code");
-                            var oldStreetNamePuri = csv.GetField<string>("OUD straatnaamid");
+                            var oldStreetNamePersistentLocalIdAsString = csv.GetField<string>("OUD straatnaamid");
                             var newNisCode = csv.GetField<string>("NIEUW NIS code");
                             var streetName = csv.GetField<string>("NIEUW straatnaam");
                             var homonymAddition = csv.GetField<string>("NIEUW homoniemtoevoeging");
@@ -93,13 +93,11 @@ public async Task<IActionResult> ProposeForMunicipalityMerger(
                             if (string.IsNullOrWhiteSpace(oldNisCode))
                                 return BadRequest($"OldNisCode is required at record number {recordNr}");
 
-                            if (string.IsNullOrWhiteSpace(oldStreetNamePuri))
-                                return BadRequest($"OldStreetNamePuri is required at record number {recordNr}");
-
-                            if (!OsloPuriValidator.TryParseIdentifier(oldStreetNamePuri, out var oldStreetNamePersistentLocalIdAsString)
-                                || !int.TryParse(oldStreetNamePersistentLocalIdAsString, out var oldStreetNamePersistentLocalId))
-                                return BadRequest($"OldStreetNamePuri is NaN at record number {recordNr}");
+                            if (string.IsNullOrWhiteSpace(oldStreetNamePersistentLocalIdAsString))
+                                return BadRequest($"OldStreetNamePersistentLocalId is required at record number {recordNr}");
 
+                            if (!int.TryParse(oldStreetNamePersistentLocalIdAsString, out var oldStreetNamePersistentLocalId))
+                                return BadRequest($"OldStreetNamePersistentLocalId is NaN at record number {recordNr}");
 
                             if (string.IsNullOrWhiteSpace(newNisCode))
                                 return BadRequest($"NisCode is required at record number {recordNr}");
diff --git a/test/StreetNameRegistry.Tests/BackOffice/Api/WhenProposingStreetNameForMunicipalityMerger/GivenMunicipalityExists.cs b/test/StreetNameRegistry.Tests/BackOffice/Api/WhenProposingStreetNameForMunicipalityMerger/GivenMunicipalityExists.cs
index 7b97ba339..ac214eb28 100644
--- a/test/StreetNameRegistry.Tests/BackOffice/Api/WhenProposingStreetNameForMunicipalityMerger/GivenMunicipalityExists.cs
+++ b/test/StreetNameRegistry.Tests/BackOffice/Api/WhenProposingStreetNameForMunicipalityMerger/GivenMunicipalityExists.cs
@@ -62,7 +62,7 @@ public void WithNoNisCode_ThenReturnsBadRequest()
             var result =
                 Controller.ProposeForMunicipalityMerger(
                     CsvHelpers.CreateFormFileFromString("OUD NIS code;OUD straatnaamid;NIEUW NIS code;NIEUW straatnaam;NIEUW homoniemtoevoeging\n" +
-                                                        "11001;http://b/123;;Name;HO"),
+                                                        "11001;123;;Name;HO"),
                     "bla",
                     Mock.Of<IPersistentLocalIdGenerator>(),
                     _municipalityConsumerContext,
@@ -79,7 +79,7 @@ public void WithDifferentNisCodeThanRoute_ThenReturnsBadRequest()
             var result =
                 Controller.ProposeForMunicipalityMerger(
                     CsvHelpers.CreateFormFileFromString("OUD NIS code;OUD straatnaamid;NIEUW NIS code;NIEUW straatnaam;NIEUW homoniemtoevoeging\n" +
-                                                        "11000;http://b/123;11001;Name;HO"),
+                                                        "11000;123;11001;Name;HO"),
                     nisCode,
                     Mock.Of<IPersistentLocalIdGenerator>(),
                     _municipalityConsumerContext,
@@ -95,7 +95,7 @@ public void WithNoStreetName_ThenReturnsBadRequest()
             var result =
                 Controller.ProposeForMunicipalityMerger(
                     CsvHelpers.CreateFormFileFromString("OUD NIS code;OUD straatnaamid;NIEUW NIS code;NIEUW straatnaam;NIEUW homoniemtoevoeging\n" +
-                                                        "11000;http://b/123;NisCode;;HO"),
+                                                        "11000;123;NisCode;;HO"),
                     "NisCode",
                     Mock.Of<IPersistentLocalIdGenerator>(),
                     _municipalityConsumerContext,
@@ -128,7 +128,7 @@ public void WithValidCsv_ThenReturnsOk()
             var result =
                 Controller.ProposeForMunicipalityMerger(
                     CsvHelpers.CreateFormFileFromString($"OUD NIS code;OUD straatnaamid;NIEUW NIS code;NIEUW straatnaam;NIEUW homoniemtoevoeging\n" +
-                                                        $"{oldNisCode};http://a/123;11001;Street;HO\n{oldNisCode};http://a/456;11001;Name;NYM\n{oldNisCode};http://a/789;11001;Street;HO"),
+                                                        $"{oldNisCode};123;11001;Street;HO\n{oldNisCode};456;11001;Name;NYM\n{oldNisCode};789;11001;Street;HO"),
                     "11001",
                     mockPersistentLocalIdGenerator.Object,
                     _municipalityConsumerContext,
diff --git a/test/StreetNameRegistry.Tests/CsvHelpers.cs b/test/StreetNameRegistry.Tests/CsvHelpers.cs
index a95bf9436..88bf2f77d 100644
--- a/test/StreetNameRegistry.Tests/CsvHelpers.cs
+++ b/test/StreetNameRegistry.Tests/CsvHelpers.cs
@@ -7,7 +7,7 @@
     public sealed class CsvHelpers
     {
         public const string OldNisCode = "11000";
-        public const string Example = $"OUD NIS code;OUD straatnaamid;NIEUW NIS code;NIEUW straatnaam;NIEUW homoniemtoevoeging\n{OldNisCode};http://v/a/123;11001;naam;BB";
+        public const string Example = $"OUD NIS code;OUD straatnaamid;NIEUW NIS code;NIEUW straatnaam;NIEUW homoniemtoevoeging\n{OldNisCode};123;11001;naam;BB";
         //Convert the string to be able to passed as IFormFile
 
         public static IFormFile CreateFormFileFromString(string content, string fileName = "file.csv")