I do not plan to use the account, therefore, I would like the credit line to be closed out. In this article, we walk you through all the steps to writing and formatting the letter, including a sample and a template.In this article, we'll provide you with essential tips and a template to help you create an effective application letter for closing your bank account. How to use the template: 1. In the sample letter, fill in your personal information. In this blog, we'll explore the essential steps and provide a sample letter template to guide you through writing a formal letter for closing your bank account. I am writing to confirm that we have closed your credit account, as per your recent request. This letter serves as your official confirmation. To whom it may concern: Please accept this letter as my written authorization to close the following account(s) at your financial institution. You can use WalletHub's free template below to send closing instructions to your bank and to request a check for your remaining balance, if any.