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. 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. This memorandum serves as notification of an overpayment of wages that you received and the subsequent repayment that is your responsibility. Fill out and submit this form. Call toll free: 1-800-743-8525 or for hearing or speech impaired use TDD 1-800-952-8349. A guide and tips for Ohio Unemployment Appeal Letters, including a sample template, from experienced unemployment attorneys. The salary overpayment resulted because .