The purpose of this letter is to notify you of a child support overpayment. Please be sure to write your name, IRN, case number, and the statement, "Adjustment Account Payment" on your check or money order.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. Verify that all account information is correct and clearly legible. If you are requesting direct deposit of your refund, complete the following. Write a letter to the Social Security Administration. Tell them how much you can afford to pay each month. For overpayment refunds to be processed in a timely manner, please submit a completed form with all refund checks and supporting documentation. I called the number on both documents, 410-260-7980. And found out that due to COVID the phone lines are closed until further notice.