To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account. Bank accounts that are solely in your name can be held up temporarily upon your death.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. Give application to the bank or treasury as the case may be informing passing away of the Pensioner. In New York State, the Surrogate's Court decides what happens to a person's property when that person dies. Notify Bank of America. We'll ask you for the deceased customer's full legal name and Social Security number to identify their accounts. The letters cite reasons for closure such as relocating, no longer needing the account, job changes, and death of an account holder. The letters cite reasons for closure such as relocating, no longer needing the account, job changes, and death of an account holder. Online: Use our online form to notify us about a customer's death.