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.Included in this packet is a sample letter of the overpayment and the repayment options. Please review the information provided and select a repayment plan. The salary overpayment resulted because . Customer: I received EDD overpayment letter in the mail, totaling to 8,000. I am panicking, I was not out to steal from EDD. We have identified the following overpayment and are in good faith voluntarily refunding all monies collected in error. This memorandum serves as notification of an overpayment of wages that you received and the subsequent repayment that is your responsibility. This program will help you write a letter that formally requests the money you are owed.