Dear [Company Name], I am writing to bring to your attention a duplicate payment that was made recently for [specific service/product]. I have noticed that my account has been charged twice for the same transaction, and I kindly request a prompt refund for the duplicate payment. On [date of transaction], I made a payment of [amount] through [payment method] for [briefly explain the purpose of the payment]. However, upon reviewing my bank statement, I found that the same amount has been debited again on [date of duplicate transaction]. This duplicate payment has caused an unnecessary financial burden, and I believe it needs to be rectified in a timely manner. To facilitate the refund process, I have enclosed the necessary transaction details as follows: — Transaction Date: [date of original transaction] — Transaction ID/Number: [transaction ID/number] — Account Number: [your account number— - Payment Method: [method used for payment] — Duplicate Transaction Date: [date of duplicate transaction] — Duplicate Transaction ID/Number: [duplicate transaction ID/number] I would appreciate it if you could investigate this matter promptly and arrange for the refund of the duplicate payment within [specify a reasonable timeframe, usually 5-7 business days] to the same account from which the payment was originally made. Additionally, please confirm the refund via email or letter for my records. Should you require any additional information or clarifications regarding this matter, please do not hesitate to contact me at [phone number] or [email address]. I trust that this issue will be resolved promptly, maintaining the integrity of our business relationship. Thank you for your attention to this matter. I look forward to a swift resolution. Sincerely, [Your Name] [Your Address] [City, State, ZIP] [Phone Number] [Email Address] Alternative types of Contra Costa California Sample Letters for Refund for Duplicate Payment: 1. Contra Costa California Sample Letter for Refund for Duplicate Payment — Requesting Expedited Refund: This type of letter emphasizes the urgency of the situation, requesting an expedited refund due to the financial burden caused by the duplicate payment. 2. Contra Costa California Sample Letter for Refund for Duplicate Payment — Follow-Up Letter: If the initial refund request is not acknowledged or acted upon within a reasonable timeframe, a follow-up letter can be sent to remind the company about the duplicate payment and reiterate the need for a refund. 3. Contra Costa California Sample Letter for Refund for Duplicate Payment — Letter to Customer Service: In some cases, a customer might need to address the issue with the company's customer service department directly. This type of letter highlights the duplicate payment and requests assistance in resolving the matter promptly. 4. Contra Costa California Sample Letter for Refund for Duplicate Payment — Letter for Overcharged Amount: Sometimes, instead of a total duplicate payment, the customer might have been overcharged for a specific service or item. In this case, the letter addresses the overcharged amount, seeking a refund for the excess payment. 5. Contra Costa California Sample Letter for Refund for Duplicate Payment — Legal Action Notice: If repeated attempts to obtain a refund are met with negligence or refusal, a legal action notice can be sent, indicating the intent to pursue legal recourse to resolve the matter. It is essential to adapt the content of the letter to suit the specific situation and accurately express the concern for resolution.