We have identified the following overpayment and are in good faith voluntarily refunding all monies collected in error. There are instances where you as the child custody paying parent may send a child support payment that exceeds the court ordered amount.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. What happens if you get an overpayment letter from the Texas Workforce Commission? You have to tell your credit or debit card company about any error you're disputing within 60 days of when the first statement with the charge was sent to you. What is the law in Texas concerning overpayment? Our document template is designed to make the process of writing an "Inform a Customer of an Overpayment" letter quick, easy, and stress-free. To manually report an overpayment claim or to report an offset due to a restored benefit on a case with an existing claim.