You will need your remittance ID in order to repay your Social Security overpayment on Pay.gov. Fill out a Request for Change in Overpayment Recovery Rate.This form is attached. Please call 1-800-772-1772 or your local field office and we may be able to process your waiver request quickly over the phone. If you receive an overpayment, the SSA will send a Notice of Overpayment, and you will be required to pay back the overage amount.