Subject: Important: Please Sign and Return Document Dear [Recipient's Name], I hope this letter finds you in good health and high spirits. I am writing to inform you that we have received the document you recently sent to our office. However, we regret to inform you that it cannot be processed due to a missing signature. Therefore, we kindly request your prompt attention to this matter to avoid any delays or inconveniences. As you may be aware, it is imperative for us to have all necessary signatures on file for legal and compliance purposes. Your signed document is crucial to proceed with the requested transaction, and we appreciate your cooperation in this regard. To simplify the process, we have enclosed a readdressed and pre-stamped envelope along with this letter. We kindly request you to review the document carefully, sign it where indicated, and return it to us using the enclosed envelope. Alternatively, you may choose to fax or email a scanned copy of the signed document to us at [Fax/Email address]. Please note that failure to provide the signed document within [number] business days from the date of this letter may result in further delays or complications in processing your request. Should you have any questions or concerns regarding this matter, please do not hesitate to contact our office by phone at [Contact number] or via email at [Email address]. We greatly appreciate your attention to this matter and apologize for any inconvenience caused. Thank you for your prompt action in resolving this signature requirement. We look forward to receiving the signed document soon. Rest assured that once we have the fully signed document, we will expedite the processing as per our standard procedures. We value your business and are committed to providing you with excellent service. Thank you for your time and cooperation. Sincerely, [Your Name] [Your Title/Organization] [Your Contact Information] Types of Orange California Sample Letters for Return of Document Due to Signature Requirement: 1. Orange California Sample Letter for Return of Document Due to Signature Requirement — Legal/Contractual 2. Orange California Sample Letter for Return of Document Due to Signature Requirement — Employment 3. Orange California Sample Letter for Return of Document Due to Signature Requirement — Banking/Financial 4. Orange California Sample Letter for Return of Document Due to Signature Requirement — Real Estate 5. Orange California Sample Letter for Return of Document Due to Signature Requirement — Insurance 6. Orange California Sample Letter for Return of Document Due to Signature Requirement — Immigration/Petition-related.