Our document template is designed to make the process of writing an "Inform a Customer of an Overpayment" letter quick, easy, and stress-free. 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 service provides various examples of refund letters, including sample overpayment letters, refund request letters, and more. 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. We have identified the following overpayment and are in good faith voluntarily refunding all monies collected in error. The salary overpayment resulted because . In this article, we'll provide tips on how to handle refund request letters and 7 sample templates you can use to get started today! If you need to inform a customer about an overpayment, you can follow a friendly and professional approach in your letter. Here's a sample template you can use.