To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account. In Utah, a small estate affidavit is not filed with the courts.A bank closure letter may be needed if you want to close a bank account without having to go to your bank's physical location. 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. You should produce the concerned Bank branch the death certificate from municipal authority as proof of that persons demise. 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. The letters cite reasons for closure such as relocating, no longer needing the account, job changes, and death of an account holder. If you no longer need your employer identification number (EIN), we can't cancel it, but we can deactivate it. This guide explains how to file the NR4 return and how to complete the T4A-NR Summary and slips.