It can be as simple as "we are closing your account as of X date. Directions for Customer Use: • Use the following form to notify your former bank that you are closing your account and would like to receive a.To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account. All fields are required to be filled in, unless noted otherwise. Want to close a bank account? You might need to submit a written request. Online: Use our online form to notify us about a customer's death. Legal Document Location. This letter is to inform you I am closing my accounts at your bank. Get the resources you need to help navigate someone else's financial affairs.