ACCOUNT_JOB_COMPANY

ACCOUNT_JOB_ADDRESS_SINGLE_LINE

Tel: ACCOUNT_PHONE_NO   Email: ACCOUNT_EMAIL

To FIRST LAST

ADDRESS

28 January 2023

 

Dear [Title] LAST,

As you mentioned in your letter dated [Date], you were indeed [invoiced for the purchase you did not make] / [overcharged for the product / service / the amount in excess of the quotation].

Please accept our sincere apology for the mistake we have made in our invoice [Invoice number] dated [Invoice Date]. It is purely [an accounting] / [an invoicing] / [a clerical] / [a sales] error. We have rectified the amount in our system and will be issuing you with a revised invoice showing the correct amount. 

We have taken measures to ensure that such an error does not happen again. There is no excuse for such carelessness and we are glad that you caught it. 

........................................