[Your Name] [Your Address] [City, State, ZIP] [Email Address] [Phone Number] [Date] [Recipient's Name] [Recipient's Address] [City, State, ZIP] Subject: Return of Document — Signature Required Dear [Recipient's Name], I am writing this letter to request the return of an important document that was previously submitted to your office. Unfortunately, this document requires my signature, which was overlooked during the initial submission. Therefore, I kindly request that you return the document to me at your earliest convenience. The document in question is [state the name or description of the document], and it was sent to your office on [date of submission]. Due to the nature of its contents, the document cannot be left without my signature. I apologize for any inconvenience this may cause. To facilitate the process, I have enclosed an appropriately sized self-addressed envelope, along with the necessary postage. I kindly ask that you place the document inside the provided envelope and mail it back to me using the same address mentioned above. In addition, I kindly request that you ensure the document is carefully packaged to avoid any damage during transit. Furthermore, I recommend using a secure mailing service that provides tracking information to ensure its safe delivery. This will help provide peace of mind and reassurance for both parties involved. I understand that oversight can happen, and I appreciate your cooperation in rectifying this situation. Should you require any further information or have any concerns regarding this matter, please do not hesitate to reach out to me at the contact details provided above. Thank you for your prompt attention to this matter, and I look forward to receiving the document with my signature as soon as possible. Yours sincerely, [Your Name]