diff --git a/src/api/info/_methods/legalCheck.ts b/src/api/info/_methods/legalCheck.ts
index ae45f2d4..f517d04c 100644
--- a/src/api/info/_methods/legalCheck.ts
+++ b/src/api/info/_methods/legalCheck.ts
@@ -30,11 +30,13 @@ export type LegalCheckResponse = {
   /** Whether the user is allowed to use the platform. */
   userAllowed: boolean;
   /**
-   * Restriction code.
-   *
-   * FIXME: meaning of `"n"` / `"a"` unconfirmed.
+   * Restriction code:
+   * - `"n"`: No restrictions.
+   * - `"a"`: Platform actions are blocked.
+   * - `"o"`: Outcome markets are hidden.
+   * - `"u"`: Restricted as a UK user.
    */
-  restrictions?: "n" | "a";
+  restrictions: "n" | "a" | "o" | "u";
 };
 
 // ============================================================
diff --git a/tests/api/info/legalCheck.test.ts b/tests/api/info/legalCheck.test.ts
index a32a3803..ee6874a5 100644
--- a/tests/api/info/legalCheck.test.ts
+++ b/tests/api/info/legalCheck.test.ts
@@ -14,15 +14,16 @@ runTest({
   codeTestFn: async (_t, client) => {
     const params: LegalCheckParameters[] = [
       { user: "0x563C175E6f11582f65D6d9E360A618699DEe14a9" },
+      { user: "0x0000000000000000000000000000000000000001" }, // acceptedTerms/userAllowed = false
     ];
 
     const data = await Promise.all(params.map((p) => client.legalCheck(p)));
 
     schemaCoverage(paramsSchema, params);
     schemaCoverage(responseSchema, data, [
-      "#/properties/restrictions/missing",
-      "#/properties/restrictions/enum/0",
       "#/properties/restrictions/enum/1",
+      "#/properties/restrictions/enum/2",
+      "#/properties/restrictions/enum/3",
     ]);
   },
 });