diff --git a/TeachingRecordSystem/src/TeachingRecordSystem.Api/V3/Constants.cs b/TeachingRecordSystem/src/TeachingRecordSystem.Api/V3/Constants.cs
index 5f2e018f1..1b6684973 100644
--- a/TeachingRecordSystem/src/TeachingRecordSystem.Api/V3/Constants.cs
+++ b/TeachingRecordSystem/src/TeachingRecordSystem.Api/V3/Constants.cs
@@ -4,7 +4,6 @@ public static class Constants
 {
     public static IReadOnlyCollection<string> LegacyExposableSanctionCodes { get; } = new[]
     {
-        "G1",
         "A18",
         "A7",
         "A3",
diff --git a/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240101/FindTeachersTests.cs b/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240101/FindTeachersTests.cs
index 579b07674..0e7690db2 100644
--- a/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240101/FindTeachersTests.cs
+++ b/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240101/FindTeachersTests.cs
@@ -85,8 +85,8 @@ public async Task Get_ValidRequestWithMatchesOnLastName_ReturnsMappedContacts()
         var lastName = "Smith";
         var dateOfBirth = new DateOnly(1990, 1, 1);
 
-        var person1 = await TestData.CreatePerson(b => b.WithLastName(lastName).WithDateOfBirth(dateOfBirth).WithSanction("G1"));
-        var person2 = await TestData.CreatePerson(b => b.WithLastName(lastName).WithDateOfBirth(dateOfBirth).WithSanction("G1"));
+        var person1 = await TestData.CreatePerson(b => b.WithLastName(lastName).WithDateOfBirth(dateOfBirth).WithSanction("A21B"));
+        var person2 = await TestData.CreatePerson(b => b.WithLastName(lastName).WithDateOfBirth(dateOfBirth).WithSanction("A21B"));
 
         var request = new HttpRequestMessage(
             HttpMethod.Get,
@@ -155,8 +155,8 @@ public async Task Get_ValidRequestWithMatchOnPreviousName_ReturnsMappedContacts(
         var lastName = TestData.GenerateLastName();
         var dateOfBirth = new DateOnly(1990, 1, 1);
 
-        var person1 = await TestData.CreatePerson(b => b.WithLastName(lastName).WithDateOfBirth(dateOfBirth).WithSanction("G1"));
-        var person2 = await TestData.CreatePerson(b => b.WithLastName(lastName).WithDateOfBirth(dateOfBirth).WithSanction("G1"));
+        var person1 = await TestData.CreatePerson(b => b.WithLastName(lastName).WithDateOfBirth(dateOfBirth).WithSanction("A21B"));
+        var person2 = await TestData.CreatePerson(b => b.WithLastName(lastName).WithDateOfBirth(dateOfBirth).WithSanction("A21B"));
         var person3 = await TestData.CreatePerson(b => b.WithLastName(TestData.GenerateChangedLastName(lastName)).WithDateOfBirth(dateOfBirth));
         var updatedLastName = TestData.GenerateChangedLastName(lastName);
         await TestData.UpdatePerson(b => b.WithPersonId(person2.PersonId).WithUpdatedName(person2.FirstName, person2.MiddleName, updatedLastName));
diff --git a/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240101/GetTeacherTestBase.cs b/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240101/GetTeacherTestBase.cs
index e5be392b3..1a7f8e436 100644
--- a/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240101/GetTeacherTestBase.cs
+++ b/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240101/GetTeacherTestBase.cs
@@ -412,7 +412,7 @@ protected async Task ValidRequestWithSanctions_ReturnsExpectedSanctionsContent(
         var sanctions = new (string SanctionCode, DateOnly? StartDate)[]
         {
             new("A18", null),
-            new("G1", new DateOnly(2022, 4, 1)),
+            new("A21B", new DateOnly(2022, 4, 1)),
         };
         Debug.Assert(sanctions.Select(s => s.SanctionCode).All(TeachingRecordSystem.Api.V3.Constants.LegacyExposableSanctionCodes.Contains));
 
@@ -452,8 +452,8 @@ protected async Task ValidRequestWithAlerts_ReturnsExpectedSanctionsContent(
         // Arrange
         var sanctions = new (string SanctionCode, DateOnly? StartDate)[]
         {
-            new("B1", null),
-            new("G1", new DateOnly(2022, 4, 1)),
+            new("A21B", null),
+            new("A21B", new DateOnly(2022, 4, 1)),
         };
         Debug.Assert(sanctions.Select(s => s.SanctionCode).All(TeachingRecordSystem.Api.V3.Constants.LegacyProhibitionSanctionCodes.Contains));
 
diff --git a/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240606/FindPersonByLastNameAndDateOfBirthTests.cs b/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240606/FindPersonByLastNameAndDateOfBirthTests.cs
index 7845277e8..15a0cee5d 100644
--- a/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240606/FindPersonByLastNameAndDateOfBirthTests.cs
+++ b/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240606/FindPersonByLastNameAndDateOfBirthTests.cs
@@ -85,8 +85,8 @@ public async Task Get_ValidRequestWithMatchesOnLastName_ReturnsMappedContacts()
         var lastName = "Smith";
         var dateOfBirth = new DateOnly(1990, 1, 1);
 
-        var person1 = await TestData.CreatePerson(b => b.WithLastName(lastName).WithDateOfBirth(dateOfBirth).WithSanction("G1"));
-        var person2 = await TestData.CreatePerson(b => b.WithLastName(lastName).WithDateOfBirth(dateOfBirth).WithSanction("G1"));
+        var person1 = await TestData.CreatePerson(b => b.WithLastName(lastName).WithDateOfBirth(dateOfBirth).WithSanction("A21B"));
+        var person2 = await TestData.CreatePerson(b => b.WithLastName(lastName).WithDateOfBirth(dateOfBirth).WithSanction("A21B"));
 
         var request = new HttpRequestMessage(
             HttpMethod.Get,
@@ -155,8 +155,8 @@ public async Task Get_ValidRequestWithMatchOnPreviousName_ReturnsMappedContacts(
         var lastName = TestData.GenerateLastName();
         var dateOfBirth = new DateOnly(1990, 1, 1);
 
-        var person1 = await TestData.CreatePerson(b => b.WithLastName(lastName).WithDateOfBirth(dateOfBirth).WithSanction("G1"));
-        var person2 = await TestData.CreatePerson(b => b.WithLastName(lastName).WithDateOfBirth(dateOfBirth).WithSanction("G1"));
+        var person1 = await TestData.CreatePerson(b => b.WithLastName(lastName).WithDateOfBirth(dateOfBirth).WithSanction("A21B"));
+        var person2 = await TestData.CreatePerson(b => b.WithLastName(lastName).WithDateOfBirth(dateOfBirth).WithSanction("A21B"));
         var person3 = await TestData.CreatePerson(b => b.WithLastName(TestData.GenerateChangedLastName(lastName)).WithDateOfBirth(dateOfBirth));
         var updatedLastName = TestData.GenerateChangedLastName(lastName);
         await TestData.UpdatePerson(b => b.WithPersonId(person2.PersonId).WithUpdatedName(person2.FirstName, person2.MiddleName, updatedLastName));
diff --git a/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240606/GetPersonTestBase.cs b/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240606/GetPersonTestBase.cs
index fa17d8763..a87bc7ecd 100644
--- a/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240606/GetPersonTestBase.cs
+++ b/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240606/GetPersonTestBase.cs
@@ -412,7 +412,7 @@ protected async Task ValidRequestWithSanctions_ReturnsExpectedSanctionsContent(
         var sanctions = new (string SanctionCode, DateOnly? StartDate)[]
         {
             new("A18", null),
-            new("G1", new DateOnly(2022, 4, 1)),
+            new("A21B", new DateOnly(2022, 4, 1)),
         };
         Debug.Assert(sanctions.Select(s => s.SanctionCode).All(Api.V3.Constants.LegacyExposableSanctionCodes.Contains));
 
diff --git a/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240814/FindPersonByLastNameAndDateOfBirthTests.cs b/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240814/FindPersonByLastNameAndDateOfBirthTests.cs
index 68cb146e6..c1672f29d 100644
--- a/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240814/FindPersonByLastNameAndDateOfBirthTests.cs
+++ b/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240814/FindPersonByLastNameAndDateOfBirthTests.cs
@@ -88,7 +88,7 @@ public async Task Get_ValidRequestWithMatchesOnLastName_ReturnsExpectedResponse(
         var person1 = await TestData.CreatePerson(b => b
             .WithLastName(lastName)
             .WithDateOfBirth(dateOfBirth)
-            .WithSanction("G1")
+            .WithSanction("A21B")
             .WithInduction(dfeta_InductionStatus.Pass, inductionExemptionReason: null, inductionStartDate: new(2022, 1, 1), completedDate: new DateOnly(2023, 1, 1))
             .WithQts(qtsDate: new(2021, 7, 1))
             .WithEyts(eytsDate: new(2021, 8, 1), eytsStatusValue: "222"));
@@ -96,7 +96,7 @@ public async Task Get_ValidRequestWithMatchesOnLastName_ReturnsExpectedResponse(
         var person2 = await TestData.CreatePerson(b => b
             .WithLastName(lastName)
             .WithDateOfBirth(dateOfBirth)
-            .WithSanction("G1"));
+            .WithSanction("A21B"));
 
         var request = new HttpRequestMessage(
             HttpMethod.Get,
diff --git a/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240814/FindPersonsByTrnAndDateOfBirthTests.cs b/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240814/FindPersonsByTrnAndDateOfBirthTests.cs
index 2f21c05e1..5bd1c3052 100644
--- a/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240814/FindPersonsByTrnAndDateOfBirthTests.cs
+++ b/TeachingRecordSystem/tests/TeachingRecordSystem.Api.Tests/V3/V20240814/FindPersonsByTrnAndDateOfBirthTests.cs
@@ -122,7 +122,7 @@ public async Task Get_ValidRequest_ReturnsMatchedRecord()
 
         var person = await TestData.CreatePerson(b => b
             .WithDateOfBirth(dateOfBirth)
-            .WithSanction("G1")
+            .WithSanction("A21B")
             .WithInduction(dfeta_InductionStatus.Pass, inductionExemptionReason: null, inductionStartDate: new(2022, 1, 1), completedDate: new DateOnly(2023, 1, 1))
             .WithQts(qtsDate: new(2021, 7, 1))
             .WithEyts(eytsDate: new(2021, 8, 1), eytsStatusValue: "222"));
diff --git a/TeachingRecordSystem/tests/TeachingRecordSystem.TestCommon/SeedCrmReferenceData.cs b/TeachingRecordSystem/tests/TeachingRecordSystem.TestCommon/SeedCrmReferenceData.cs
index 689f04775..514ec7f4a 100644
--- a/TeachingRecordSystem/tests/TeachingRecordSystem.TestCommon/SeedCrmReferenceData.cs
+++ b/TeachingRecordSystem/tests/TeachingRecordSystem.TestCommon/SeedCrmReferenceData.cs
@@ -70,6 +70,12 @@ private void AddSanctionCodes()
             dfeta_Value = "B1",
             dfeta_name = "B1 Description"
         });
+
+        _xrmFakedContext.CreateEntity(new dfeta_sanctioncode()
+        {
+            dfeta_Value = "A21B",
+            dfeta_name = "A21B Description"
+        });
     }
 
     private void AddTeacherStatuses()