Engage an estate lawyer. The bank will not allow you to close it unless you have a letter of authorization from the probate court.The term refers to the distribution of the estate's final assets, which typically means that the Executor has run out of things to do. Typically, you cannot withdraw money from a deceased person's account without following the proper estate administration process. To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account. (3) Whether the decedent died with or without a will (if the decedent died with a will, the original must be included with the petition);. Although not always required, our experienced probate attorneys at Kreig LLC are here to help if your bank demands letters testamentary. The following forms are provided as a service to the public. Learn about how someone's assets and liabilities are handled after they die, including what happens if a person dies with or without a will. Do you know how to find out if you are a beneficiary on a bank account?