CISR22600 - Authenticate customer: authentication: contents

1. CISR22610

   Authenticate caller by telephone
2. CISR22630

   Using ‘Find’ facility to trace individual
3. CISR22640

   Using ‘Find’ facility to trace scheme
4. CISR22650

   Recording bogus contact by telephone or at HMRC Enquiry Centre (EC)
5. CISR22660

   Authentication of correspondence including application forms
6. CISR22670

   Authenticate customer or other representative during HMRC outbound call
7. CISR22680

   Using 'Internal enquiry' facility to bypass authentication