[Your Name] [Your Address] [City, State, ZIP] [Email Address] [Phone Number] [Date] [Recipient's Name] [Recipient's Position] [Company Name] [Company Address] [City, State, ZIP] Subject: Cancellation of Unfilled Order Dear [Recipient's Name], I am writing to formally request the cancellation of an unfilled order placed with your company. As per our records, the order was placed on [Order Date] for [Product/Service Name] with the order number [Order Number]. Due to unforeseen circumstances, we regret to inform you that we must cancel the order mentioned above. We sincerely apologize for any inconvenience caused and understand that this cancellation may disrupt your operations. However, we hope you can empathize with the circumstances that necessitate this decision. As valued partners, we have always appreciated the exceptional product quality and excellent customer service provided by your company. Nonetheless, we find it crucial to adapt to the changing circumstances within our own organization. Regrettably, we are unable to proceed with this particular order at this time. We kindly request that you cease any further processing or production related to this order immediately. If any action has already been taken, we hope you can halt it before any unnecessary expenses or resources are incurred. To ensure a smooth cancellation process, we kindly ask for your cooperation in resolving the following matters: 1. Please confirm in writing the cancellation of this order within [number of days, e.g., 5 days] upon receiving this letter. 2. If any payment has been made towards this order, we request a prompt refund to the original payment method used. In order to maintain our strong business relationship, we hope you understand and appreciate our position in needing to cancel this order. We look forward to future opportunities to collaborate with your esteemed company should the circumstances allow. Please feel free to contact me at [Your Email Address] or [Your Phone Number] for any further discussions or clarifications regarding this cancellation request. Thank you for your understanding and cooperation. We sincerely apologize for any inconvenience caused and hope for your continued support and cooperation in the future. Yours sincerely, [Your Name] [Your Position] [Your Company Name]