Michigan Compiled Laws, Chapter 280. Drain Code of 1956 § 280.28

Sec. 28. (1) Each commissioner shall receive an annual salary to be paid as other county officers are paid, the amount of the salary to be fixed by the county board of commissioners before November 1 of each year in the same manner as the salaries of other county officers are fixed. The salary may be increased but shall not be decreased during his or her term of office, and in addition, each commissioner shall be allowed his or her actual necessary expenses, including traveling expenses incurred in the discharge of the duties of the office, including all actual and necessary expense for clerk hire and recording by the county board of commissioners or board of county auditors to be paid by the county. The expense account shall be an itemized account and verified by oath taken before a proper officer. The amounts paid to the commissioner for salary and expenses shall be in full for all services rendered by the commissioner and all expenses incurred in the performance of the duties of the office.

(2) Notwithstanding subsection (1), for a county which has a county officers compensation commission, the compensation for each county drain commissioner shall be determined by that commission. A change in compensation for a county drain commissioner of a county which has a county officers compensation commission shall commence at the beginning of the first odd numbered year after the determination is made by the county officers compensation commission and is not rejected.