Subject: Request for Refund — Duplicate Payment Error Dear [Customer Service Representative's name], I hope this letter finds you well. I am writing to bring to your attention an error that occurred in regard to a recent payment made to [Company Name]. It has come to my attention that a duplicate payment was inadvertently made for the invoice number [Invoice Number]. I have attached a copy of both payment receipts for your reference. The duplicate payment was made on [Date] via [Payment Method], totaling [Amount]. The original payment was also made on [Date] and cleared successfully. Upon discovering this duplicate payment, I promptly contacted my bank, and they confirmed that the sum was indeed processed and paid twice to [Company Name]. I kindly request you to review your records and investigate this matter further. I understand that such errors can occur occasionally due to unforeseen circumstances, and I trust in [Company Name]'s commitment to providing top-notch customer service. Therefore, I kindly request a full refund of the duplicate payment amount of [Amount]. I would be grateful if you could process the refund as soon as possible. Please provide me with an update regarding the progress of my request within [Timeframe]. In case you require any additional information or have any questions, please do not hesitate to contact me at [Your Phone Number] or [Your Email Address]. Thank you for your immediate attention to this matter. I have always valued my relationship with [Company Name] and believe that this issue will be resolved promptly and amicably. I look forward to hearing from you soon. Sincerely, [Your Name] [Your Address] [City, State, ZIP] [Email Address] [Phone Number] ----- Alternative Types of Montana Sample Letter for Refund for Duplicate Payment: 1. Official Business Refund Request: This type of letter could be used by businesses when they discover a duplicate payment error in their financial records and are seeking a refund from another business entity. 2. Individual Consumer Refund Request: Individual consumers can use this type of letter to request a refund for a duplicate payment made to a company or service provider. 3. Invoice Specific Refund Request: This variation of the letter focuses on a specific invoice number, allowing individuals or businesses to highlight the exact payment made in error and seek a refund for the duplicate amount. 4. Legal Documentation Refund Request: For cases where a duplicate payment issue cannot be resolved satisfactorily through regular channels, this type of letter may be used to emphasize the legal implications of the situation and request immediate action. Note: The provided sample letter and its alternatives above serve as a starting point and should be customized according to individual needs and circumstances.