A sending of invoice despite payment response

REPLY TO INVOICE AFTER PAYMENT

Mr [CONTACT name],

We acknowledge receipt of your invoice number [number].

A review of our accounts indicates that the payment of this invoice has been completed the [DATE] with our cheque number [number] to your order for an amount of [amount].

I ask you to check your accounts and your cheque to the bank deposits to make sure that you have not received our payment. If you are unable to find trace of regulation, kindly notify me so I ask to you a copy of the cheque. This will take about [number] days.

If I did not hear from you, I can assume that you have found the regulation and have credited our account as a result.

Receive, dear Sir/Madam, my best regards.

The Director-General

[NAME OF CEO]