Michigan Compiled Laws, Chapter 700. Estates and Protected Individuals Code § 700.3610

Sec. 3610. (1) A personal representative's appointment terminates 1 year after the filing of a closing statement as provided in section 3954.  1

(2) A personal representative's appointment terminates when the court enters an order closing an estate as provided in section 3952 or 3953.  2

(3) After giving at least 14 days' written notice to known interested persons, a personal representative may resign by filing a written statement of resignation with the register. If no one applies or petitions for appointment of a successor personal representative within the time indicated in the notice, the filed statement of resignation is ineffective as a termination of appointment and is effective only upon the appointment and qualification of a successor personal representative and delivery of the estate property to the successor personal representative.