Michigan Compiled Laws, Chapter 119. Metropolitan Districts § 119.55

Sec. 5. The commissioners shall hold a meeting within 1 month after their selection, on the call of the chairman of the board of supervisors of the most populous county of the metropolitan district, at such time and place as he may designate. Such meeting shall elect a chairman, who must be a member of the board of commissioners, and a secretary and a treasurer, who need not be members. The board shall also, from time to time, select and employ such other officers and employes and engage such services as shall be deemed necessary to effectuate its purposes.