Mich. Comp. Laws § 700.3609
The personal representative's death or a conservator's appointment for the personal representative's estate terminates the appointment of that individual. Until appointment and qualification of a successor or special personal representative to replace the deceased or protected personal representative, the personal representative of the estate of the deceased or conservator of the protected personal representative has the duty to protect the estate possessed and being administered by the decedent or ward at the time the appointment terminates, has the power to perform acts necessary for that protection, and shall account for and deliver the estate property to a successor or special personal representative upon the successor's appointment and qualification.
MCL 700.3609