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Apology to Customer for Error in Billing: Charged Too Much, Customer Has Not Noticed


[DATE, ex. Tuesday, February 21, 2012]



Bob Travolta

Larson & Co,

123 Lane, Area 456,

City, State, Pin Code]


Dear [NAME, ex. Bob Travolta],


We highly value your business, and I myself look after our invoices to make sure that there is no error. However, I regret to inform that we have encountered an error on invoice #[MENTION INVOICE NUMBER].  I would like to send my apologies for over-billing you by $[AMOUNT].


This is to inform you that I will immediately invalidate that invoice ([STATE INVOICE NUMBER, ex. #IN123]) and issue you a fresh and correct one, The invoice is as follows:



5 desktops @ $4,000                        $20,000

Tax @ 5%                                                          1,000

Total Amount                                                 $21,000]


I assure you that I from future I will personally check our invoices send to you. We will make sure no further errors occur from our end. For any doubts or clarification please do not hesitate to contact me at XXX-XXXX.


Thanking you,

Yours truly,


[YOUR NAME, ex. Joan Smith]


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