Closing a bank account when someone passes away isn't difficult, as long as you have the right paperwork for the the teller or banker. 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.All documents posted below in PDF format must be filed with the court in PDF format. The bank will not allow you to close it unless you have a letter of authorization from the probate court. A bank account or investment account in the sole name of a decedent is a probate asset. 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. All open files from 2000 and forward are available at the Clerk's office. Sub: Request to close an account due to death.