To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account. KeyBank guides you through the process of settling a loved one's financial accounts after they die.After someone dies, notify the government programs and businesses they used. Cancel benefits payments and close or transfer accounts. You will need a tax release, death certificate, and Letters of Authority from probate court to have access to the account. Settling a deceased loved one's accounts and loans isn't yours alone to bare. Lean on General Electric Credit Union in OH and KY to transfer bank products. Banks and other financial institutions will freeze accounts that are titled in the decedent's name alone. Click on the link(s) for the forms you'd like to download. A final account must be filed within 30 days after completing the administration of the estate.