This brief but important letter notifies a customer that he or she has overpaid you. It can serve as a very good customer relations letter.Providers have the option to submit a Request For Extended Repayment Schedule (ERS). A complete ERS request should be submitted immediately. The salary overpayment resulted because . Please download the form, complete each field and print. Include the form with your refund so we can properly apply the refund and record the receipt. Use this brochure if you have received an overpayment notice from the Department of Human. Services for your TANF, GA, AABD, food stamps, or Quest.