[Your Name] [Your Address] [City, State ZIP Code] [Email Address] [Phone Number] [Date] [Supplier Name] [Supplier Address] [City, State ZIP Code] Subject: Acknowledgment of Cancellation of Back order Dear [Supplier Name], I am writing to formally acknowledge the cancellation of the back order for [Product Name/Order Number], which was placed with your company on [Order Date]. I want to express my gratitude for your prompt attention to this matter. As per our previous communication on [Cancellation Date], we regretfully had to cancel our back order due to unforeseen circumstances. We understand that this may pose some inconvenience for your company, and any inconvenience caused is deeply regretted. We kindly request your assistance in confirming the cancellation and providing a refund for the amount paid at the time of placing the order. The refund amount should include any applicable taxes and shipping charges. Please process this refund at your earliest convenience. To ensure accurate record-keeping, we kindly request an acknowledgment of the cancellation and refund within [Specify a reasonable time frame, e.g., 10 business days]. This will help us reconcile our financial records accordingly and avoid any future discrepancies. If there are any further requirements or information needed to process the cancellation and refund, kindly inform us as soon as possible. We are always available to provide any additional details or clarifications that may be required. Thank you for your understanding and cooperation in this matter. We appreciate your continued support and hope to maintain a positive business relationship with your company in the future. Please do not hesitate to contact me directly at [Your Phone Number] or [Your Email Address] if you have any questions or concerns regarding this cancellation. Thank you once again for your prompt attention to this matter. Yours sincerely, [Your Name]