[Your Name] [Your Address] [City, State, Zip] [Email Address] [Phone Number] [Date] [Recipient's Name] [Recipient's Address] [City, State, Zip] Subject: Request for Refund for Duplicate Payment Dear [Recipient's Name], I hope this letter finds you in good health. I am writing to bring to your attention a discrepancy in my recent transactions with your company, leading to a duplicate payment for the same services rendered. I kindly request a refund for the duplicate payment in the amount of [Specify Amount]. Furthermore, I have been a loyal customer of your esteemed business for [Specify Years] and have always been satisfied with the quality of service you provide. However, due to an unfortunate error, I have been charged twice for the same invoice, resulting in an overpayment. To provide you with the necessary details, please find the following information related to the duplicate payment: — Invoice Number: [Specify Invoice Number] — Invoice Date: [Specify Invoice Date— - Amount Paid: [Specify Amount Paid] Upon reviewing my records, I noticed that the said invoice was paid through [Specify Payment Method], on [Specify Payment Date]. However, to my surprise, I discovered that an identical payment had been debited from my account on [Specify Duplicate Payment Date]. To rectify this issue promptly, I kindly request that you investigate the matter and initiate the refund process as soon as possible. I can provide any additional documentation or evidence supporting my claim upon your request. I sincerely appreciate your immediate attention to this matter and your cooperation in resolving this discrepancy. Furthermore, I have always valued the excellent customer service that your company provides, and I trust that this issue will be resolved promptly. If you have any further questions or require any additional information to process my refund, please do not hesitate to contact me at [Email Address] or [Phone Number]. I am readily available to assist in any way possible. Thank you for your prompt action. I look forward to the swift resolution of this matter and the reimbursement of the duplicate payment. Yours sincerely, [Your Name]