Michigan Compiled Laws, Chapter 600. Revised Judicature Act of 1961 § 600.8158

Sec. 8158.(1) Until the date determined under subsection (2), the ninety-third district consists of the counties of Schoolcraft and Alger, is a district of the first class, and has 1 judge.

(2) Beginning on the date on which a vacancy occurs in the office of district judge in the ninety-third district or the beginning date of the term for which the incumbent district judge in the ninety-third district no longer seeks election or reelection to that office, whichever is earlier, the ninety-third district consists of the counties of Schoolcraft and Alger and is a district of the first class. Under section 810a,  1 the probate judge for the fifth probate district described in section 807  2 shall serve as judge of the ninety-third district.