diff --git a/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI.Core/SystemRegister/RegisteredSystemDTO.cs b/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI.Core/SystemRegister/RegisteredSystemDTO.cs
index 980048e1..dfd3527c 100644
--- a/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI.Core/SystemRegister/RegisteredSystemDTO.cs
+++ b/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI.Core/SystemRegister/RegisteredSystemDTO.cs
@@ -5,4 +5,5 @@ public class RegisteredSystemDTO
     public string SystemTypeId { get; set; } = string.Empty;
     public string SystemVendor { get; set; } = string.Empty;
     public string Description { get; set; } = string.Empty;
+    public List<DefaultRightsDTO> DefaultRights { get; set; } = [];
 }
\ No newline at end of file
diff --git a/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI.Integration/SystemRegister/SystemRegisterClient.cs b/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI.Integration/SystemRegister/SystemRegisterClient.cs
index 06f15f4a..e4711496 100644
--- a/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI.Integration/SystemRegister/SystemRegisterClient.cs
+++ b/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI.Integration/SystemRegister/SystemRegisterClient.cs
@@ -10,38 +10,65 @@ private static async Task<List<RegisteredSystemDTO>> MockTestHelper()
 
         RegisteredSystemDTO regsys1 = new()
         {
-            SystemTypeId = "fancy_system_name",
-            SystemVendor = "Fancy System Name",
-            Description = "Vårt nye system som kan brukes til Alt."
+            SystemTypeId = "4human_hr_system_2024_2",
+            SystemVendor = "4Human",
+            Description = "4Humans HR system 2024 versjon.",
+            DefaultRights =
+            [
+                new DefaultRightsDTO { Right = "Sykemelding - Oppgi leder", ServiceProvider = "Arbeids- og velferdsetaten (NAV)" },
+                new DefaultRightsDTO { Right = "Søknad om sykepenger", ServiceProvider = "Arbeids- og velferdsetaten (NAV)" }
+            ]
+            
         };
 
         RegisteredSystemDTO regsys2 = new()
         {
-            SystemTypeId = "bra_system_navn",
-            SystemVendor = "Bra System Navn",
-            Description  =  "Rapporter naboens feilparkering i gata"
+            SystemTypeId = "din_lokale_regnskapspartner",
+            SystemVendor = "Din Lokale Regnskapspartner AS",
+            Description  = "Regnskap og Revisor tjenester",
+            DefaultRights =
+            [
+                new DefaultRightsDTO { Right = "MVA rapportering", ServiceProvider = "Skatteetaten" },
+                new DefaultRightsDTO { Right = "Årsregnskap", ServiceProvider = "Skatteetaten" }
+            ]
         };
 
         RegisteredSystemDTO regsys3 = new()
         {
-            SystemTypeId = "decent_system_name",
-            SystemVendor = "Decent System Name",
-            Description =  "Rapporter helgeovertid"
+            SystemTypeId = "fiken_smabedrift",
+            SystemVendor = "Fiken",
+            Description =  "Fiken Småbedrift pakken",
+            DefaultRights =
+            [
+                new DefaultRightsDTO { Right = "MVA rapportering", ServiceProvider = "Skatteetaten" },
+                new DefaultRightsDTO { Right = "Årsregnskap", ServiceProvider = "Skatteetaten" }
+            ]
         };
 
         RegisteredSystemDTO regsys4 = new()
         {
-            SystemTypeId = "awesome_system_name",
-            SystemVendor ="Awesome System Name",
-            Description = "Tja, det virker ihvertfall"
+            SystemTypeId = "visma_mva_pakke",
+            SystemVendor ="Visma",
+            Description = "Visma MVA rapportering",
+            DefaultRights =
+            [
+                new DefaultRightsDTO { Right = "MVA rapportering", ServiceProvider = "Skatteetaten" }             
+            ]
 
         };
 
         RegisteredSystemDTO regsys5 = new()
         {
-            SystemTypeId = "cool_system_name",
-            SystemVendor ="Cool System Name",
-            Description = "Enda bedre enn konkurrentene"
+            SystemTypeId = "visma_skatt_totalpakke",
+            SystemVendor ="Visma",
+            Description = "Visma Totalpakke for alle skatterapporterings behov",
+            DefaultRights =
+            [
+                new DefaultRightsDTO { Right = "MVA rapportering", ServiceProvider = "Skatteetaten" },
+                new DefaultRightsDTO { Right = "Årsregnskap", ServiceProvider = "Skatteetaten" },
+                new DefaultRightsDTO { Right = "Bytte av Revisor", ServiceProvider = "Skatteetaten" },
+                new DefaultRightsDTO { Right = "Levere Lakselus", ServiceProvider = "Mattilsynet" },
+            ]
         };
 
         List<RegisteredSystemDTO> theList = new()
diff --git a/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI.Mocks/Mocks/SystemRegister/SystemRegisterClientMock.cs b/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI.Mocks/Mocks/SystemRegister/SystemRegisterClientMock.cs
index b3b95997..13a8b22a 100644
--- a/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI.Mocks/Mocks/SystemRegister/SystemRegisterClientMock.cs
+++ b/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI.Mocks/Mocks/SystemRegister/SystemRegisterClientMock.cs
@@ -8,43 +8,43 @@ private static async Task<List<RegisteredSystemDTO>> MockTestHelper()
         {
             await Task.Delay(250);
 
-            RegisteredSystemDTO regsys1 = new()
-            {
-                SystemTypeId = "fancy_system_name",
-                SystemVendor = "Fancy System Name",
-                Description = "Vårt nye system som kan brukes til Alt."
-            };
-
-            RegisteredSystemDTO regsys2 = new()
-            {
-                SystemTypeId = "bra_system_navn",
-                SystemVendor = "Bra System Navn",
-                Description = "Rapporter naboens feilparkering i gata"
-            };
-
-            RegisteredSystemDTO regsys3 = new()
-            {
-                SystemTypeId = "decent_system_name",
-                SystemVendor = "Decent System Name",
-                Description = "Rapporter helgeovertid"
-            };
-
-            RegisteredSystemDTO regsys4 = new()
-            {
-                SystemTypeId = "awesome_system_name",
-                SystemVendor = "Awesome System Name",
-                Description = "Tja, det virker ihvertfall"
-
-            };
-
-            RegisteredSystemDTO regsys5 = new()
-            {
-                SystemTypeId = "cool_system_name",
-                SystemVendor = "Cool System Name",
-                Description = "Enda bedre enn konkurrentene"
-            };
-
-            List<RegisteredSystemDTO> theList = new()
+        RegisteredSystemDTO regsys1 = new()
+        {
+            SystemTypeId = "4human_hr_system_2024_2",
+            SystemVendor = "4Human",
+            Description = "4Humans HR system 2024 versjon."
+        };
+
+        RegisteredSystemDTO regsys2 = new()
+        {
+            SystemTypeId = "din_lokale_regnskapspartner",
+            SystemVendor = "Din Lokale Regnskapspartner AS",
+            Description = "Regnskap og Revisor tjenester"
+        };
+
+        RegisteredSystemDTO regsys3 = new()
+        {
+            SystemTypeId = "fiken_smabedrift",
+            SystemVendor = "Fiken",
+            Description = "Fiken Småbedrift pakken"
+        };
+
+        RegisteredSystemDTO regsys4 = new()
+        {
+            SystemTypeId = "visma_mva_pakke",
+            SystemVendor = "Visma",
+            Description = "Visma MVA rapportering"
+
+        };
+
+        RegisteredSystemDTO regsys5 = new()
+        {
+            SystemTypeId = "visma_skatt_totalpakke",
+            SystemVendor = "Visma",
+            Description = "Visma Totalpakke for alle skatterapporterings behov"
+        };
+
+        List<RegisteredSystemDTO> theList = new()
         {
             regsys1,
             regsys2,
diff --git a/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI/Controllers/SystemRegisterController.cs b/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI/Controllers/SystemRegisterController.cs
index 8953db48..59b636b7 100644
--- a/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI/Controllers/SystemRegisterController.cs
+++ b/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI/Controllers/SystemRegisterController.cs
@@ -27,16 +27,4 @@ public async Task<ActionResult> GetListOfRegisteredSystems(CancellationToken can
         return Ok(lista);
     }
 
-    [HttpGet("product/{productId}")]
-    public async Task<ActionResult> GetDefaultRightsForProductName(string productId, CancellationToken cancellationToken = default)    
-    {
-        List<DefaultRightsDTO> lista = new();
-        DefaultRightsDTO l1 = new() { Right = "Mva Registrering", ServiceProvider = "Skatteetaten" };
-        DefaultRightsDTO l2 = new() { Right = "Lønns Rapportering", ServiceProvider = "Skatteetaten" };
-        DefaultRightsDTO l3 = new() { Right = "Lakselus Rapportering", ServiceProvider = "Mattilsynet" };
-        lista.Add(l1);
-        lista.Add(l2);
-        lista.Add(l3);
-        return Ok(lista);
-    }
 }
diff --git a/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI/appsettings.AT21.json b/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI/appsettings.AT21.json
new file mode 100644
index 00000000..178fe035
--- /dev/null
+++ b/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI/appsettings.AT21.json
@@ -0,0 +1,15 @@
+{
+  "PlatformSettings": {
+    "ApiAuthenticationEndpoint": "https://platform.at21.altinn.cloud/authentication/api/v1/",
+    "ApiProfileEndpoint": "https://platform.at21.altinn.cloud/profile/api/v1/",
+    "OpenIdWellKnownEndpoint": "https://platform.at21.altinn.cloud/authentication/api/v1/openid/"
+  },
+  "GeneralSettings": {
+    "FrontendBaseUrl": "https://authn.ui.at21.altinn.cloud",
+    "Hostname": "at21.altinn.cloud",
+    "UseMockData": false
+  },
+  "KeyVaultSettings": {
+    "SecretUri": "https://altinn-at21-authnui-kv.vault.azure.net/"
+  }
+}
\ No newline at end of file