Subject: Request for Return of Check Missing Signature — Urgent Matter [Your Name] [Your Address] [City, State, ZIP] [Email Address] [Phone Number] [Date] [Recipient's Name] [Recipient's Address] [City, State, ZIP] Dear [Recipient's Name], I hope this letter finds you well. I am writing to bring to your attention an urgent matter concerning a check issued by my account, which seems to be missing a required signature. I am kindly requesting your assistance in rectifying this situation and returning the check to me for further processing. The check in question was issued on [Payment Date] to [Recipient's Name] for the amount of [Check Amount]. However, upon reviewing the document, I have realized that it lacks my authorized signature, rendering it incomplete and invalid for use. I deeply regret this oversight and take full responsibility for the mistake. Due to the missing signature, it is imperative that the check be returned to me promptly. Please find enclosed a photocopy of the original check for your reference. I kindly request that you provide a written confirmation of the return along with the original check via certified mail to ensure its secure delivery. I understand that this may cause inconvenience, and I sincerely apologize for any inconvenience caused. In order to expedite the resolution of this matter, I kindly request immediate attention to this request. Once the check has been returned, I will promptly update it with the necessary signature and reissue it to you without any further delay. I must emphasize the urgency of this request, as the original purpose behind issuing the check was of utmost importance. Your immediate cooperation in returning it will be greatly appreciated, allowing us to address the matter promptly and effectively. Should you have any questions or need further clarification, please do not hesitate to contact me at the provided contact details. I am always available to assist you in any way necessary. Thank you very much for your understanding and cooperation. I am anticipating a swift resolution to this matter and look forward to receiving the returned check at the earliest convenience. Sincerely, [Your Name]