Dear [Client's Name], RE: Return of Overpayment I hope this letter finds you in good health and high spirits. We would like to bring to your attention that an unintentional overpayment has been identified in your account with our company. We appreciate your prompt action in rectifying this matter, and we apologize for any inconvenience caused. Upon a thorough review of our records, it has come to our attention that an overpayment of [EX.XX] was made on [Date] for the [product/service] provided to you. We sincerely apologize for this error and assure you that we are taking immediate steps to correct it. In line with our commitment to maintaining transparency, accuracy, and fairness in our business dealings, we kindly request that you please review the enclosed invoice, which details the transaction in question. We kindly request that you verify its accuracy and provide your necessary attention to the matter. As part of our effort to ensure your complete satisfaction as a valued client, we are offering two alternatives for the repayment of the erroneously made overpayment: 1. Offset against Future Invoices: If you agree, we propose deducting the overpaid amount from your future invoices with our company. This method eliminates the need for any further transactions or inconveniences. 2. Refund by [Preferred Method]: Should you prefer a direct refund, please respond to this letter with your bank details or mailing address. We will process your refund promptly once we receive your instructions. Please be assured that we fully understand the importance of promptly settling any outstanding balances and returning overpayments. We value your partnership and aim to maintain a positive and trust-based relationship. If you have any questions or concerns regarding this matter, please do not hesitate to contact our customer service team at [Phone Number] or [Email Address]. Our dedicated team members are prepared to assist you in any way possible. We would like to extend our sincerest apologies once again for any inconvenience this may have caused. We deeply appreciate your understanding and cooperation in resolving this matter promptly. Thank you for your continued trust in our company. Yours sincerely, [Your Name] [Your Title/Position] [Company Name]