diff --git a/e2e/tests/support-legal.spec.ts b/e2e/tests/support-legal.spec.ts
index 9f9bc1c..832ef23 100644
--- a/e2e/tests/support-legal.spec.ts
+++ b/e2e/tests/support-legal.spec.ts
@@ -1,4 +1,4 @@
-import { APIRequestContext, expect, test } from "@playwright/test";
+import { APIRequestContext, expect, Page, test } from "@playwright/test";
 import {
   captureBrowserFailures,
   gotoLiveView,
@@ -43,6 +43,29 @@ async function waitForNewEmail(
   );
 }
 
+async function submitAuthenticatedSupportRequest(
+  page: Page,
+  requesterEmail: string,
+  kind: "privacy_request" | "data_export",
+  subject: string,
+  details: string,
+): Promise<void> {
+  await page.goto("/support");
+  await page.getByLabel("What do you need help with?").selectOption(kind);
+  await expect(page.getByLabel("Contact email")).toHaveValue(requesterEmail);
+  await expect(page.getByLabel("Contact email")).toHaveAttribute(
+    "readonly",
+    "",
+  );
+  await page.getByLabel("Subject").fill(subject);
+  await page.getByLabel("Describe the problem").fill(details);
+  await page.getByRole("button", { name: "Send support request" }).click();
+  await expect(page).toHaveURL(/\/support\/received\?reference=SUP-/);
+  await expect(
+    page.getByRole("heading", { name: "Support request created" }),
+  ).toBeVisible();
+}
+
 test("authenticated support and legal notices reach the scoped staff queues", async ({
   browser,
   request,
@@ -56,6 +79,9 @@ test("authenticated support and legal notices reach the scoped staff queues", as
     "Browser E2E verifies the authenticated private case without a duplicate receipt email.";
   const supportReply = `E2E support reply [${projectName}]`;
   const supportFollowUp = `E2E support inbox follow-up [${projectName}]`;
+  const privacySubject = `E2E privacy request [${projectName}]`;
+  const dataExportSubject = `E2E data export [${projectName}]`;
+  const accountDeletionSubject = "Delete my Who Need Help account";
   const generalExplanation =
     "Browser E2E verifies that a signed-in general removal notice reaches the legal queue.";
   const urgentExplanation =
@@ -154,6 +180,70 @@ test("authenticated support and legal notices reach the scoped staff queues", as
     requester.page.getByText(supportFollowUp, { exact: true }),
   ).toBeVisible();
 
+  await submitAuthenticatedSupportRequest(
+    requester.page,
+    requesterEmail,
+    "privacy_request",
+    privacySubject,
+    "Browser E2E verifies that an authenticated privacy request remains private and reaches the scoped support queue.",
+  );
+  await submitAuthenticatedSupportRequest(
+    requester.page,
+    requesterEmail,
+    "data_export",
+    dataExportSubject,
+    "Browser E2E verifies that an authenticated data-export request reaches the scoped support queue.",
+  );
+
+  await requester.page.goto("/account/delete");
+  await expect(requester.page.getByLabel("Account email")).toHaveValue(
+    requesterEmail,
+  );
+  await expect(requester.page.getByLabel("Account email")).toHaveAttribute(
+    "readonly",
+    "",
+  );
+  await requester.page
+    .getByLabel("Additional information")
+    .fill(
+      "Browser E2E verifies that account deletion enters the dedicated support workflow without deleting the fixture account immediately.",
+    );
+  await requester.page
+    .getByRole("button", { name: "Request account deletion" })
+    .click();
+  await expect(requester.page).toHaveURL(/\/support\/received\?reference=SUP-/);
+  await expect(
+    requester.page.getByRole("heading", { name: "Support request created" }),
+  ).toBeVisible();
+
+  await gotoLiveView(admin.page, "/support/operations?queue=support");
+  await admin.page
+    .locator("#support-case-filters")
+    .getByLabel("Search")
+    .fill(requesterEmail);
+  const requesterSupportRows = admin.page.locator("main tbody tr");
+  await expect(requesterSupportRows).toHaveCount(4);
+  await expect(
+    requesterSupportRows.filter({ hasText: privacySubject }),
+  ).toHaveCount(1);
+  await expect(
+    requesterSupportRows.filter({ hasText: dataExportSubject }),
+  ).toHaveCount(1);
+  await expect(
+    requesterSupportRows.filter({ hasText: accountDeletionSubject }),
+  ).toHaveCount(1);
+
+  await requester.page.goto("/support/requests");
+  await expect(
+    requester.page.getByRole("link").filter({ hasText: privacySubject }),
+  ).toHaveCount(1);
+  await expect(
+    requester.page.getByRole("link").filter({ hasText: dataExportSubject }),
+  ).toHaveCount(1);
+  await expect(
+    requester.page.getByRole("link").filter({ hasText: accountDeletionSubject }),
+  ).toHaveCount(1);
+
   const generalEmailBefore = await latestMessageID(request, requesterEmail);
   await requester.page.goto("/legal/content-removal");
   await requester.page.getByLabel("Reason").selectOption("privacy_violation");