(1) An appointment of a personal representative terminates, as provided in 72-3-1004, 1 year after the filing of a closing statement. (2) An order closing an estate as provided in 72-3-1001, 72-3-1002, or 72-3-1003 terminates an appointment of a personal representative.
Termination Of Appointment -- Closing Of Estate
Mont. Code Ann. § 72-3-524, under Personal Representative Appointment Priorities, Bond, and Termination.
Mont. Code Ann. § 72-3-524