New York Sample Letter for Apology to Customer for Accounting Error Subject: Apology for Accounting Error and Correction Dear [Customer's Name], I am writing this letter to sincerely apologize for the accounting error that occurred in our billing system, resulting in an incorrect invoice being sent to you. We deeply regret any inconvenience and confusion this may have caused you. Firstly, please accept our assurance that the issue has been immediately rectified, and corrective measures have been implemented to prevent such errors from recurring in the future. We take full responsibility for the oversight and want to assure you that our commitment to accurate and transparent accounting remains unwavering. Our team conducted a thorough investigation into the root cause of the error, and we discovered that it stemmed from a technical glitch in our automated billing system during the invoicing process. We have addressed the issue with utmost haste, and all necessary steps have been taken to ensure that this error does not repeat itself. To correct the accounting error, we have generated a new invoice reflecting the accurate transaction details. Please find the revised invoice attached to this email. We kindly request you to disregard the previous erroneous invoice and refer to this corrected version for any payment or record-keeping purposes. At our company, customer satisfaction is of utmost importance, and we deeply value the trust you have placed in us. Rest assured that we are taking this incident as a learning opportunity to further improve our processes and enhance our service quality. In order to compensate for the inconvenience caused, we would like to offer you a [discount, credit, special promotion, etc.] on your next purchase with us. We genuinely hope that you will consider this as a gesture of our sincerest apologies. Once again, we apologize for any frustration or inconvenience this may have caused you. We truly appreciate your understanding and patience as we resolve this matter promptly. If you have any further questions or concerns regarding the revised invoice or any other accounting matter, please do not hesitate to contact our customer support team at [phone number] or [email address] for immediate assistance. Thank you for your understanding and continued support. We look forward to serving you better in the future. Yours sincerely, [Your Name] [Your Position] [Company Name]