How long will it take to get a decision? Most customers are receiving responses less than two weeks after completing and submitting the DocuSign.If you were overpaid, you will receive a written notice in the mail. 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. To ask for waiver, fill out the Request for Waiver Form and send it to Social Security. We will use your answers on this form to decide if we can waive collection of the overpayment or change the amount you must pay us back each month. How to File for Waiver. Step 1: To file a Request for Waiver, fill out form SSA-632-BK, called a.