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.Be sure to write your Social Security account number on each check or money order. You will need your remittance ID in order to repay your Social Security overpayment on Pay.gov. To appeal, use SSA Form 561, Request for Reconsideration. You must appeal within 60 days of the day you got the notice. What You Need to Know About Social Security Overpayments. Our field offices generally offer the full range of Social Security services, including applying for new or replacement Social Security cards.