Subject: Request for Refund of Duplicate Payment — Mecklenburg, North Carolina Dear [Company Name], I am writing to bring to your attention an issue concerning a duplicate payment made to your esteemed organization. As a resident of Mecklenburg, North Carolina, it is imperative that I address this matter promptly in order to seek a resolution. On [Date], I successfully completed a transaction with your company for [Purpose of Payment]. However, upon reviewing my financial records, I noticed that an additional payment of the same amount was inadvertently processed on [Date of Duplicate Payment]. This double transaction has resulted in a financial burden for me, and I kindly request your assistance in rectifying this issue. Enclosed with this letter are the relevant documents serving as evidence of the duplicate payment, including copies of the bank statements clearly indicating the duplicate transaction and the original payment made. These documents should provide ample proof of the error and support my claim for a rightful refund. Considering the circumstances, I kindly ask that you initiate the necessary steps to promptly refund the duplicate payment amount of [Dollar Amount]. I appreciate your understanding and cooperation, as swift action in resolving this matter will alleviate any inconvenience caused and maintain a positive customer-business relationship. In light of the situation, I would also like to suggest implementing measures to prevent such errors in the future, as it could potentially have an adverse impact on customer trust and overall reputation. By streamlining payment processing procedures and implementing appropriate validation checks, your organization can enhance its efficiency and avoid unnecessary inconvenience for customers. I look forward to receiving confirmation of the refund initiation within [Specific Timeframe], along with any pertinent information regarding the transaction. Should you require any further documentation or clarification, please do not hesitate to contact me at [Your Contact Details]. Thank you for your immediate attention to this matter. I trust that your organization values its customers and will take swift action to rectify the duplicate payment error. Your prompt response to this letter is greatly appreciated. Yours sincerely, [Your Name] [Your Address] [City, State, ZIP Code] [Email Address] [Phone Number]