Dear [Vendor's Name], I am writing to inform you that we would like to return the purchase order (PO) number [PO Number] dated [PO Date] for [Product/Service]. We regret to mention that there are a few reasons for this action, which we would like to detail below. Firstly, upon receiving the delivered goods, we noticed that there were significant discrepancies between the specifications provided in the initial purchase order and the actual items received. Specifically, [describe the discrepancies and provide supporting evidence if available]. Due to these inconsistencies, the received goods do not fulfill our requirements, and we cannot proceed with their usage. Furthermore, the quality of the items received falls below the standards agreed upon. [Provide specific examples or defects identified]. We emphasize that, as a valued vendor, we deeply value the quality of the products we receive, as it directly impacts the satisfaction of our customers. Therefore, we kindly request you to accept the return and arrange for a quality check at your earliest convenience. In addition to initiating the return process, we would also like to discuss the matter of advance payment. As per our agreed terms and conditions, a request for advance payment is often submitted to cover expenses associated with the purchase. In this case, we request an advance payment of [Amount] to be made to [Account Name/Number] as soon as possible. Please let us know if you require any specific documentation to facilitate this request. We understand that this situation might have resulted from unforeseen circumstances or unintentional errors. However, it is essential for us to address these issues promptly to ensure the smooth functioning of our operations and maintain a strong business relationship with your company. Please respond to this letter to confirm your acknowledgment of the return request and the advance payment. We would appreciate your prompt attention to this matter and expect a prompt resolution to prevent any further inconvenience. Thank you for your understanding and cooperation. We look forward to your positive response. Sincerely, [Your Name] [Your Title/Position] [Company Name] [Contact Information] Note: Different types of South Dakota Sample Letter for Return of Purchase Order and Request for Advance Payment may include variations in content and tone, depending on the specific circumstances and requirements of the situation. Additionally, the use of relevant keywords in the content provided can help improve the letter's search engine optimization (SEO) rankings and visibility.