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. Also write on the form: "I want all overpayments on my record to be waived, even the amounts you have already collected."How to File for Waiver. Step 1: To file a Request for Waiver, fill out form SSA-632-BK, called a. Below are helpful instructions on how to complete the Request for Waiver of Overpayment. Recovery or Change in Repayment Rate Form (SSA-632-BK). Overpayment Notification Sample Letter. Memorandum. To: . 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.