Closing the Estate of the Person who Died. You may use the forms on this page if the following factors apply to your situation.Instructions: How to Fill Out The Closing Statement. 1. (Arizona Revised Statutes, Section 14-3971)You would simply get the form and instructions from the court's website, fill out the form and have it notarized. To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account. I am named in the Will of the person who died, a copy of which is attached to this Affidavit. Fillable Maricopa county informal probate application. Fill Online, Printable, Fillable, Blank Maricopa county informal probate application Form. In the majority of cases, joint bank accounts are not subject to the probate process.