Apologize For an Invoice or Billing Error

Sample Letter #1

Thank you for pointing out the error in the supplies invoice. It appears that a typist transposed two numbers. I am canceling that invoice and am sending you a new one with the correct amount. Don't worry about sending payment until you receive the corrected invoice. Thank you for your patience and understanding.

Sample Letter #2

After you informed us of an error on your January bill, we investigated the matter and admit the mistake was ours. Until our new automated system is online, we are still subject to the frailties of human error. Rest assured that your account has been credited as you will see on your next bill. Thank you for your help in rectifying this matter. We apologize and look forward to serving you in the future.

Sample Letter #3

We have checked our deposit records and have indeed found that you are correct in assuming that one of your deposits was erroneously deposited into another person's account. Because our computers were down the day you made the deposit, all of our work had to be hand written, increasing the chance for an oversight. We have made the adjustment and apologize for any inconvenience this error has caused.

Sample Letter #4

Please accept our sincere apologies for the recent error in your electric bill. The meter reader recorded the wrong numbers during his monthly visit to your home. Your meter has been reread and a corrected statement is enclosed; please pay the balance due by the 25th. We are sorry for any inconvenience this may have caused you.

Sample Letter #5

Thank you for pointing out the error in your February electricity bill. We sent someone out to double-check the meter reading and you were perfectly right. The first reading was incorrect. The amount you should have been billed was $128.79. Please send your check for that amount along with the original bill. There is no need to explain the discrepancy as our records have already been corrected.

I apologize for the inconvenience our error has caused you.

Related Articles

Related Resources

Still can't find the right words for your apology letter?

4,001 Business, Sales & Personal Letters

You will with our 500 letter-writing tutorials!

  1. Find the apology letter that fits your needs and copy it directly into Microsoft Word or your favorite word processor.
  2. Or let our 500 letter-writing tutorials guide you step-by-step through the writing process, suggesting sample phrases and sentences for each writing step. In minutes, you can write an effective apology letter.
  3. Print your apology letter and send it!

Try our letter-template software risk free when you buy at

If after 30 days you are not satisfied, return it for a full refund



Easy Letters

$19.99 / Download


3,001 Business & Sales Letters

3,001 Business & Sales Letters

$29.99 / Download


1 $19.99 value free with purchase of our software for Windows (not Macintosh)

2 Free with purchase of our software for Windows (not Macintosh)