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.Our document template is designed to make the process of writing an "Inform a Customer of an Overpayment" letter quick, easy, and stress-free. For other questions you may have, please contact the Office of the Tax Assessor-Collector at 210-335-2251 for personalized assistance. The salary overpayment resulted because . This memorandum serves as notification of an overpayment of wages that you received and the subsequent repayment that is your responsibility. You may fill out the change of address form or simply make the request in writing. We have identified the following overpayment and are in good faith voluntarily refunding all monies collected in error. Please use this email address only for requesting a payment plan, your overpayment balance, or instructions for sending payment.