Dear [Client's Name], I hope this letter finds you well. We recently conducted a thorough review of our financial records and discovered that an overpayment has been made on your account. As a responsible and ethical company, we are committed to providing excellent service and maintaining the utmost transparency with our clients. We want to inform you that an overpayment of [amount] has been credited to your account, resulting in a surplus balance. We sincerely apologize for any inconvenience this may have caused, and we have taken immediate steps to rectify the situation. It is essential to us that we promptly return any overpaid funds to our valued clients like you. To facilitate the process, we will be issuing a refund for the overpayment amount directly to the payment method used for the transaction. You can expect to receive the refund within [timeframe], depending on the processing time of your financial institution. In the event that the original payment was made via credit card, please note that the refund will be processed back to the same credit card used for the transaction. If the original payment was made by check, we kindly request you to discard the previous check, as it will no longer be valid. At [Company Name], we constantly strive to improve our systems and processes to ensure situations like these do not recur. We sincerely appreciate your patience and understanding throughout this process. We understand that clear communication is crucial during such circumstances. If you have any questions or require further clarification regarding the refund, please do not hesitate to contact our customer support team at [phone number] or email us at [email address]. Our dedicated team members will be more than happy to assist you in any way they can. Once again, we apologize for any inconvenience caused by this overpayment. Rest assured, we are committed to promptly resolving this matter and maintaining a strong and transparent relationship with you. Thank you for your understanding and continued support. Sincerely, [Your Name] [Your Title] [Company Name] [Company Address] [City, State, Zip Code] [Phone Number] [Email Address]