Can I pay with a credit card? Yes. Please call 844-435-3981 and use your run number as the tax bill number.For the open invoice in the Payment column, enter how much of the credit you want to apply. This brief but important letter notifies a customer that he or she has overpaid you. It can serve as a very good customer relations letter. Fill out and submit this form. Call toll free: 1-800-743-8525 or for hearing or speech impaired use TDD 1-800-952-8349. Complete the application and review it carefully. Make certain it is filled out completely and all requested supporting documentation is attached. Ancillary Payments issued prior to the determination that the client does not qualify for a SIP are NOT considered an overpayment of.