Mich. Comp. Laws § 560.247

Sec. 247. (1) Each member of the county plat board shall be paid compensation and mileage for attendance at plat board meetings equal to compensation and mileage paid to supervisors for attendance at meetings of the board of supervisors. The compensation shall be payable from the general fund of the county. (2) The duties of the county plat board shall not be considered as being a part of the duties of the regular offices of the members thereof.