In this article, we walk you through all the steps to writing and formatting the letter, including a sample and a template. This article will give you the reasons why you should close your bank account.Sample account closing letters are also given for your better understanding. This Agreement sets forth the terms, rules and regulations under which we will provide deposit services to you. How Do Bank Closure Letters Work? Please be advised that I have recently changed banks and would like you to close the following accounts held at your institution. This document provides you with sample information that should be included with your appeal. Point heading examples. Want to close a bank account? You might need to submit a written request.