diff --git a/src/utils/urls/urlHelper.test.ts b/src/utils/urls/urlHelper.test.ts
index 80f1422264..0bf9359964 100644
--- a/src/utils/urls/urlHelper.test.ts
+++ b/src/utils/urls/urlHelper.test.ts
@@ -82,16 +82,16 @@ describe('Shared urlHelper.ts', () => {
   test('returnUrlToArchive() returning correct environments without dialogId', () => {
     const partyId = 12345;
     expect(returnUrlToArchive(hostTT, partyId)).toBe(
-      'https://tt02.altinn.no/ui/Reportee/ChangeReporteeAndRedirect?goTo=https%3A%2F%2Faf.tt02.altinn.no%2F&R=12345',
+      'https://am.ui.tt02.altinn.no/accessmanagement/api/v1/reportee/changeandredirect?partyId=12345&goTo=https%3A%2F%2Faf.tt02.altinn.no%2F',
     );
     expect(returnUrlToArchive(hostAT, partyId)).toBe(
-      'https://at21.altinn.cloud/ui/Reportee/ChangeReporteeAndRedirect?goTo=https%3A%2F%2Faf.at21.altinn.cloud%2F&R=12345',
+      'https://am.ui.at21.altinn.cloud/accessmanagement/api/v1/reportee/changeandredirect?partyId=12345&goTo=https%3A%2F%2Faf.at21.altinn.cloud%2F',
     );
     expect(returnUrlToArchive(hostYT, partyId)).toBe(
-      'https://yt01.altinn.cloud/ui/Reportee/ChangeReporteeAndRedirect?goTo=https%3A%2F%2Faf.yt01.altinn.cloud%2F&R=12345',
+      'https://am.ui.yt01.altinn.cloud/accessmanagement/api/v1/reportee/changeandredirect?partyId=12345&goTo=https%3A%2F%2Faf.yt01.altinn.cloud%2F',
     );
     expect(returnUrlToArchive(hostProd, partyId)).toBe(
-      'https://altinn.no/ui/Reportee/ChangeReporteeAndRedirect?goTo=https%3A%2F%2Faf.altinn.no%2F&R=12345',
+      'https://am.ui.altinn.no/accessmanagement/api/v1/reportee/changeandredirect?partyId=12345&goTo=https%3A%2F%2Faf.altinn.no%2F',
     );
     expect(returnUrlToArchive(hostDocker, partyId)).toBe('http://local.altinn.cloud/');
     expect(returnUrlToArchive(hostPodman, partyId)).toBe('http://local.altinn.cloud:8000/');
@@ -104,16 +104,16 @@ describe('Shared urlHelper.ts', () => {
     const partyId = 12345;
     const dialogId = '123e4567-e89b-12d3-a456-426614174000';
     expect(returnUrlToArchive(hostTT, partyId, dialogId)).toBe(
-      'https://tt02.altinn.no/ui/Reportee/ChangeReporteeAndRedirect?goTo=https%3A%2F%2Faf.tt02.altinn.no%2Finbox%2F123e4567-e89b-12d3-a456-426614174000&R=12345',
+      'https://am.ui.tt02.altinn.no/accessmanagement/api/v1/reportee/changeandredirect?partyId=12345&goTo=https%3A%2F%2Faf.tt02.altinn.no%2Finbox%2F123e4567-e89b-12d3-a456-426614174000',
     );
     expect(returnUrlToArchive(hostAT, partyId, dialogId)).toBe(
-      'https://at21.altinn.cloud/ui/Reportee/ChangeReporteeAndRedirect?goTo=https%3A%2F%2Faf.at21.altinn.cloud%2Finbox%2F123e4567-e89b-12d3-a456-426614174000&R=12345',
+      'https://am.ui.at21.altinn.cloud/accessmanagement/api/v1/reportee/changeandredirect?partyId=12345&goTo=https%3A%2F%2Faf.at21.altinn.cloud%2Finbox%2F123e4567-e89b-12d3-a456-426614174000',
     );
     expect(returnUrlToArchive(hostYT, partyId, dialogId)).toBe(
-      'https://yt01.altinn.cloud/ui/Reportee/ChangeReporteeAndRedirect?goTo=https%3A%2F%2Faf.yt01.altinn.cloud%2Finbox%2F123e4567-e89b-12d3-a456-426614174000&R=12345',
+      'https://am.ui.yt01.altinn.cloud/accessmanagement/api/v1/reportee/changeandredirect?partyId=12345&goTo=https%3A%2F%2Faf.yt01.altinn.cloud%2Finbox%2F123e4567-e89b-12d3-a456-426614174000',
     );
     expect(returnUrlToArchive(hostProd, partyId, dialogId)).toBe(
-      'https://altinn.no/ui/Reportee/ChangeReporteeAndRedirect?goTo=https%3A%2F%2Faf.altinn.no%2Finbox%2F123e4567-e89b-12d3-a456-426614174000&R=12345',
+      'https://am.ui.altinn.no/accessmanagement/api/v1/reportee/changeandredirect?partyId=12345&goTo=https%3A%2F%2Faf.altinn.no%2Finbox%2F123e4567-e89b-12d3-a456-426614174000',
     );
     expect(returnUrlToArchive(hostDocker, partyId, dialogId)).toBe('http://local.altinn.cloud/');
     expect(returnUrlToArchive(hostPodman, partyId, dialogId)).toBe('http://local.altinn.cloud:8000/');
diff --git a/src/utils/urls/urlHelper.ts b/src/utils/urls/urlHelper.ts
index b1e7aeda72..55c88c5b16 100644
--- a/src/utils/urls/urlHelper.ts
+++ b/src/utils/urls/urlHelper.ts
@@ -25,8 +25,12 @@ function buildArbeidsflateUrl(altinnHost: string): string {
   return `https://af.${altinnHost}/`;
 }
 
+function buildAccessManagementBaseUrl(altinnHost: string): string {
+  return `https://am.ui.${altinnHost}/`;
+}
+
 function redirectAndChangeParty(goTo: string, partyId: number): string {
-  return `ui/Reportee/ChangeReporteeAndRedirect?goTo=${encodeURIComponent(goTo)}&R=${partyId}`;
+  return `accessmanagement/api/v1/reportee/changeandredirect?partyId=${partyId}&goTo=${encodeURIComponent(goTo)}`;
 }
 
 export const returnBaseUrlToAltinn = (host: string): string | undefined => {
@@ -42,9 +46,8 @@ function buildArbeidsflateRedirectUrl(host: string, partyId?: number, dialogId?:
     return `http://${host}/`;
   }
 
-  const baseUrl = returnBaseUrlToAltinn(host);
   const altinnHost = extractAltinnHost(host);
-  if (!baseUrl || !altinnHost) {
+  if (!altinnHost) {
     return undefined;
   }
 
@@ -55,8 +58,9 @@ function buildArbeidsflateRedirectUrl(host: string, partyId?: number, dialogId?:
     return targetUrl;
   }
 
-  // Use A2 redirect mechanism with A3 arbeidsflate URL to maintain party context
-  return `${baseUrl}${redirectAndChangeParty(targetUrl, partyId)}`;
+  // Use access management changeandredirect endpoint to switch party and redirect to A3 arbeidsflate
+  const amBaseUrl = buildAccessManagementBaseUrl(altinnHost);
+  return `${amBaseUrl}${redirectAndChangeParty(targetUrl, partyId)}`;
 }
 
 export const getMessageBoxUrl = (partyId?: number, dialogId?: string): string | undefined =>