You will need your remittance ID in order to repay your Social Security overpayment on Pay.gov. 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.The Notice of Overpayment will tell you how much you were overpaid. It will tell you to send the money back in 30 days. Form SSA632, Request for Waiver of Overpayment Recovery, can be used to seek a waiver. Fill out Form SSA561U2 Request for Reconsideration and mail it or take it to your local SSA office (you can't appeal online).