[Your Name] [Your Address] [City, State, ZIP Code] [Email Address] [Phone Number] [Date] [Vendor's Name] [Vendor's Address] [City, State, ZIP Code] Subject: Return of Purchase Order and Request for Advance Payment — [Order Number] Dear [Vendor's Name], I hope this letter finds you well. I am writing in regard to the purchase order [Order Number] dated [Order Date] for [Item/Service]. Unfortunately, I regret to inform you that we need to return the purchase order due to [reason for return, e.g., received incorrect merchandise, item damaged in transit, etc.]. I kindly request you to process the return and provide a refund in accordance with your company's policies. As per our agreement, I would also like to request an advance payment of [Advance Payment Amount] towards our upcoming order with the revised specifications of [new purchase order number] that we will be submitting soon. This advance payment will help us ensure a timely delivery of the required items. To expedite the refund process, kindly provide me with the necessary return authorization number and any specific instructions for returning the merchandise. Once the refund is processed, please notify me immediately, indicating the amount refunded and the method of reimbursement. Regarding the advance payment, please find attached the updated details of our upcoming purchase order. We kindly urge you to process this advance payment as soon as possible to avoid any delays in production or delivery schedules. Our company greatly values our business relationship with yours, and we trust your assistance in promptly addressing this matter. To provide clarity, please find below the details of the refund and advance payment request: Order Details: — Original Purchase Order Number: [Order Number] — Date of Original Purchase Order: [Order Date] — Reason for Return: [Reason for Return] Refund Details: — Amount Requested for Refund: [Refund Amount] — Expected Method of Refund: [refund method, e.g., direct transfer, check, etc.] Advance Payment Details: — Purchase Order Number: [new purchase order number] — Revised Specifications: [provide updated specifications if applicable] — Amount Requested for Advance Payment: [Advance Payment Amount] — Proposed Delivery Date: [expected delivery date] Please let me know if there are any additional forms or documents required to finalize this process. I appreciate your prompt attention to this matter and your cooperation in ensuring a smooth refund procedure and advance payment. Thank you for your understanding and support in this matter. We look forward to your positive response and the continuation of our mutually beneficial business relationship. Yours sincerely, [Your Name] [Your Title/Position] [Your Company Name]