To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account. 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.An Affidavit of Death is used to close accounts, receive benefits, or take ownership of property, real estate, or securities. After someone dies, notify the government programs and businesses they used. Cancel benefits payments and close or transfer accounts. Online: Use our online form to notify us about a customer's death. Sub: Request to close an account due to death. THE OFFICIAL HANDBOOK OF NEVADA LEGAL FORMS Last Update 2012. If you are not sure of your business's entity type, use the free business search to look up your business. Deleting saved User IDs.