Apology Letter - Billing Mistake

This document can be used as a template for an apology letter to customer for mistake. It is a letter of apology to customers for the mistake made in a recent invoice. It explains the cause(s) of such error and informs the customer about the rectification made.

The letter of apology is sent to the customers to apologise for a clerical error in a recent invoice. This may be used after the customer has issued a letter of request for ratification or that the company self-discovered the relevant mistake. The details to the error, including the invoice date, invoice number, etc, may be mentioned to ensure accurate understanding of the situation.  

The company states that it has corrected the amount in the company's internal system and will proceed to issue the customer with a revised and correct invoice.

It is also noted that the company has ensured that such clerical or accounting errors do not occur again. The letter is ended by stating that there is no excuse for such carelessness and thank the customer for their patience.

How to use this Document?

This document should be carefully read by the Individual Customer and Company.

The document should be issued soon after the discovery of the relevant mistake.  

Upon the discovery, the sender company may use this document to offer a sincere apology for their relevant mistake and the inconvenience caused to their customer. 

This document may be used to address the mistake in the invoice sent to the customer and express the company's desire to rectify their mistake.

The relevant corrected invoice should be sent along with the letter or within a few days after this letter has been duly sent.