Enter 'Social Security' in the search box. Click on "Continue" under the Repay Your Social Security Overpayment Online section.Upon issuing a Notice of Overpayment, the Social Security Administration requests complete repayment within 30 days. You can bring 2 copies of the filled-out form to the SSA office. Ask the SSA to date stamp both copies. Repay your Social Security Overpayment Online. There are three ways that help prove this: 1. People have the right to appeal the overpayment decision or the amount.