Michigan Compiled Laws, Chapter 600. Revised Judicature Act of 1961 § 600.410

(a) A power of appointment to a public office delegated by constitution or statute to the circuit court or a circuit judge.

(b) A power of appointment to a public office delegated by constitution or statute to the probate court or a probate judge.

(c) A power of appointment to a public office delegated by law to the district court or a district judge, unless that power of appointment is delegated to a court or judge other than the circuit court or a circuit judge.