Michigan Compiled Laws, Chapter 46. County Boards of Commissioners § 46.61

Sec. 1. Boards of supervisors in counties having a population of not less than 75,000 and not more than 500,000, may provide, by a resolution, for the appointment of a committee consisting of not less than 3 nor more than 5 who may or may not be members of said board, to be known as the finance committee, and to hold office for a term of 1 year. After such resolution is adopted, and at the first regular meeting of each year thereafter, a committee shall be appointed by the chairman of said board and ratified by a majority vote of all the members elected on said board. Should a vacancy occur in the committee from death, resignation or otherwise, of any member thereof, the chairman shall make an appointment to fill such vacancy and the appointment shall be confirmed at the next meeting of the board.