diff --git a/packages/core/src/__tests__/user-role.test.ts b/packages/core/src/__tests__/user-role.test.ts
new file mode 100644
index 00000000..cd3d379d
--- /dev/null
+++ b/packages/core/src/__tests__/user-role.test.ts
@@ -0,0 +1,29 @@
+import { UserRole } from '../definitions/jwt';
+
+describe('UserRole', () => {
+  const values = Object.values(UserRole);
+
+  it('has no duplicate values', () => {
+    const seen = new Set<string>();
+    const duplicates: string[] = [];
+    for (const value of values) {
+      if (seen.has(value)) {
+        duplicates.push(value);
+      }
+      seen.add(value);
+    }
+    expect(duplicates).toEqual([]);
+  });
+
+  it('uses contiguous PascalCase contract strings', () => {
+    // Anchored: rejects trailing/embedded junk (spaces, hyphens, underscores, digits, …).
+    // Allows VIP and KycClientCompany (single PascalCase / all-caps word).
+    const pattern = /^[A-Z][A-Za-z]*$/;
+    const invalid = values.filter((value) => !pattern.test(value));
+    expect(invalid).toEqual([]);
+  });
+
+  it('has exactly 13 members', () => {
+    expect(values).toHaveLength(13);
+  });
+});
diff --git a/packages/core/src/definitions/jwt.ts b/packages/core/src/definitions/jwt.ts
index 0c071f14..40c39073 100644
--- a/packages/core/src/definitions/jwt.ts
+++ b/packages/core/src/definitions/jwt.ts
@@ -13,6 +13,7 @@ export enum UserRole {
   REALUNIT = 'RealUnit',
   MARKETING = 'Marketing',
   MONITORING = 'Monitoring',
+  NON_CUSTODIAL_WALLET_PARTNER = 'NonCustodialWalletPartner',
 }
 
 export interface Jwt {