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. To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account.Informal probate is the process for asking the court to appoint a personal representative for a decedent's estate without a hearing. 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. This form is intended for you to provide necessary instruction on liquidating and obtaining additional information on a deceased. The first and foremost thing you must do to close a bank account upon the death of a loved one is to inform the bank of this death. Name of Deceased had permanent legal residence at. Gather your documents.