Fill out a Request for Change in Overpayment Recovery Rate. This form is attached.If we can't waive collection, we may use this form to decide how you should repay the money. Please answer the questions on this form as completely as you can. You will need your remittance ID in order to repay your Social Security overpayment on Pay.gov. The overpaid individual had to complete Form SSA634including a detailed breakdown of income, expenses and assetsif the requested rate of. A social security overpayment occurs when any time an individual receives more money than they were allowed to receive. File Request for Change in Overpayment Recovery. Rate (Form 634) to request a lower rate. Social Security workers may try to force you to fill out a "Request for Waiver form" (SSA-632).