Inform a Customer That the Check You Received Was Not Signed or the Payment Was Not In the Envelope • Letter Templates and Guides

How to write this letter:

1Thank the customer for his or her check or correspondence.
2Inform the customer of the problem.
3Ask the customer to correct the error.


This is a brief, informative letter, which also offers you an opportunity to thank your customer for his or her business.

Example Letter #1


We received your payment envelope mailed on June 14; however, the check was not enclosed, undoubtedly an oversight. Please examine your records and send a check for $150 to cover the June 1 payment. Let me also take this opportunity to thank you for your order. You are a valued customer.

Example Letter #2


We received your payment for $43.12 and thank you for your business. Although the check arrived without difficulty, the amount was not written in the appropriate areas. We have enclosed the check for your review or disposal, and request that you either return it completed or submit another.

Example Letter #3


Thank you for your prompt payment. Unfortunately, you forgot to sign your check. Your unsigned check is attached. Please sign it and return it with the payment slip provided in the envelope.

Example Letter #4


We have received your May telephone bill payment; however, the check we received was made out to the gas company for a different amount. Perhaps you placed the checks in the wrong envelopes. We are returning the check, and request that you send another check for the correct amount promptly.

Write Your Letter Step-by-Step


Thank the customer for his or her check or correspondence.

Example Sentences for Step 1

Example Phrases for Step 1