[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: Return of Document Due to Signature Requirement Dear [Recipient's Name], I hope this letter finds you in good health and high spirits. I am writing to inform you that I received the document [Document Name], which you recently sent to me. However, upon reviewing its contents, I noticed that a signature is required before I can proceed with further actions. As per the guidelines stated in [Specify the policy or regulations governing the document], it is necessary to have the document duly signed by the appropriate authority or signatory to ensure its authenticity and compliance with legal protocols. Unfortunately, the document I received lacks the required signature. Therefore, I kindly request your assistance in returning the document to me with the necessary signature. I would greatly appreciate it if you could sign the document at your earliest convenience and return it to the address mentioned above. To ensure smooth processing and avoid any delays, kindly enclose the signed document in an appropriate envelope with proper tracking information. Moreover, please confirm the method of delivery you choose (e.g., mail, courier) and provide me with tracking details, if applicable. This will enable me to monitor the progress of the document's return. Should you have any queries or require any additional information regarding this matter, please do not hesitate to contact me at [Your Phone Number] or [Your Email Address]. I am available to assist you and address any concerns promptly. I sincerely appreciate your understanding and assistance in resolving this matter efficiently. Your prompt attention to this request will be highly appreciated. Thank you in advance for your cooperation. Yours sincerely, [Your Name]