[Your Name] [Your Address] [City, State, ZIP Code] [Email Address] [Phone Number] [Date] [Recipient's Name] [Recipient's Address] [City, State, ZIP Code] Subject: Return of Check Without Signature — Account Name: [Account Name], Check No.: [Check Number] Dear [Recipient's Name], I hope this letter finds you well. I am writing to inform you that I recently received a check from your esteemed organization, dated [Date], with the check number [Check Number], in the amount of [Check Amount]. However, upon careful examination, it has come to my attention that the check is missing the required signature. As per banking regulations and standard procedures, a valid signature is a vital requirement to process and negotiate a check. Unfortunately, due to the missing signature, I am unable to deposit or cash the check. I kindly request your immediate attention to rectify this issue by providing a replacement check duly signed by the authorized signatory within [Specify a reasonable timeframe, e.g., 10 business days] of receiving this letter. Please ensure that the new check bears the same account information and details as the original check. To assist you in identifying the specific check, I have included relevant details below: — Date: [Date— - Check Number: [Check Number] — Payee Name: [Payee Name— - Account Name: [Account Name] — Check Amount: [Check Amount] I would highly appreciate your prompt response and cooperation in resolving this matter efficiently. Should you have any queries or require further information, please do not hesitate to contact me via the provided contact details. Thank you for your immediate attention to this matter. I look forward to your swift resolution of the issue and the receipt of the replacement check. You're understanding and cooperation are greatly appreciated. Yours sincerely, [Your Name]