Sub: Request to close an account due to death. Here is a format letter for closing the bank account.Make sure you understand the entire format before writing a letter for closing a bank account. Read the article to know how to write a death claim letter format to the bank and also check out the samples for the same. You can use this letter template to write to the bank to request the closure of a direct payments account following the death of the account holder. Here are the steps to take and documents you'll need. If you need more support, it's worth getting a friend or family member to help you handle things. A death claim application letter for a bank is basically a letter to the bank stating that the account holder has been deceased. The personal representative will need to contact the deceased person's bank to inquire. How to estimate your benefit.