Dear :

I am pleased to inform you that your open credit line for $ has been approved.

In your letter of [date], you expressed your displeasure at some of the questions we asked in our investigation of your credit potential. Please accept our apologies for any inconvenience we have caused you. I hope my explanation will remove the misunderstanding and bad feelings that our questions have incurred .

According to the policy of our company, we investigate thoroughly customers who apply for open credit of $ or more, such as the one you requested. Our efforts to obtain necessary information about our customer's credit potential some times follow seemingly insignificant leads. These efforts have proved to be beneficial not only to us but also to our customers because they can avoid the danger of overextended credit.

I hope this episode won't jeopardize our business relationship.

Best regards,

[name]

[title]