To claim the refund the person must complete the bottom portion of the letter and the attached abandoned property claim form. Enclosed is a form that shows how your overpayment was calculated.You or your household were notified before of a Food Stamp Benefits overpayment(s). This section contains information on overpayments, lost or stolen debit cards, fraud, and the reporting of fraud. Request official documentation that indicates you are clear of any Overpayment. Documentation should be faxed to 240.457.5104. 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. Medicare's notice of overpayment is also known as a "refund" or "demand" letter. If the Social Security Administration sent you a notice about an overpayment you owe, you can make a secure payment here. If there is no Notice 18 in the case file, send a Notice 18 and include only overpayments for which there is a calculation and matching verification.