Appeal the Overpayment. The first part of the appeal is to forget about the 60 day window.You May Be Eligible For A Waiver Of Overpayment On Improper Payments Issued By The Social Security Administration. You will need your remittance ID in order to repay your Social Security overpayment on Pay.gov. To end the lawsuit, the court ordered SSA not to use the nonpayment practice again. It also ordered SSA to reinstate unpaid benefits to class members.