Banking / Credit card application What to do with the form. Download, Print and Fill out this form. Please call CitiPhone at (84 8) 3521 1111 or (84) 1900 1819, Our staff will visit you to process your application and documentation. Please ensure you have the supporting documents ready with you. ACE Life Premium Auto Debit Authorization Form Credit Card payment form Customer information change request Deposit form Fund transfer instruction form Standing instruction Stop check payment instruction Withdrawal form Cardholder dispute letter Foreign check collection instruction General request for banking/card customers Signature change form Banking / Credit Card account closure request Requests For Reference Letter Form Citibank Ready Credit cash advance & personal loan contract Fees and Rates Branch and ATM