If you have an overpayment debt, you may be eligible to make a full or partial payment using Pay. Gov or your bank's online bill pay option.You will need your remittance ID in order to repay your Social Security overpayment on Pay.gov. Overpayment notices explain why you've been overpaid, your overpayment amount, your repayment options, and your appeal and waiver rights. If an SSI recipient wishes to request waiver of an overpayment, he or she must file a Form SSA632. What causes an overpayment?