To be recognized as the estate administrator, you must file the petition for grant of letters of administration with the Register of Wills. To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account.Find an operating agreement online. Fill it out for the deceased, but don't forge the name. 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. Your heirs might get what's left in your bank accounts, or the government might take them away. When a person dies and leaves a will with assets in their name only, the will must go through a probate process. This process proves that the will is valid.