Subject: Cancellation of Unfilled Order — [Order Number] Dear [Supplier/Company], I am writing to formally request the cancellation of an unfilled order with the following details: Order Details: Order Number: [Order Number] Product/Service Name: [Product/Service Name] Quantity: [Quantity] Delivery Date: [Delivery Date] Payment Terms: [Payment Terms] Due to unforeseen circumstances, we have determined that it is necessary to cancel this order. We sincerely apologize for any inconvenience caused by this cancellation and the impact it may have on your operations. We kindly request your understanding and cooperation in processing the cancellation promptly and ensuring that no further shipment or production activities are initiated for this order. Please note that we will not be held liable for any costs incurred or any penalties associated with this cancellation, as per the terms and conditions agreed upon in our initial agreement. In addition to this cancellation request, we also kindly request an acknowledgment of the cancellation within [enter timeframe, e.g., 48 hours] from the date of this letter. This will not only help us reassure our internal stakeholders but also ensure smooth communication and avoid any unnecessary follow-ups. We understand the importance of maintaining healthy business relationships and assure you that this cancellation is a rare occurrence. We value your products/services and hope to continue our mutually beneficial partnership in the future. Thank you for your attention and prompt action in this matter. If you have any questions or require further information, please do not hesitate to contact us. We look forward to your cooperation. Kind regards, [Your Name] [Your Title/Position] [Company Name/Department/Division/Organization] [Contact Information: Phone, Email, Address] Keywords: cancellation, unfilled order, order cancellation, order cancellation letter, cancellation request, unforeseen circumstances, apology, cooperation, acknowledgment, partnership, business relationship.