Michigan Compiled Laws, Chapter 280. Drain Code of 1956 § 280.487

Sec. 487. Any drain commissioner may act under this chapter or under chapter 21, being sections 511 to 537, inclusive, of this act,  1 by his deputy, under any and all circumstances. The vice-chairman or chairman pro tem of a county board of supervisors, or the vice-chairman of a board of county auditors or of a finance committee of a county board of supervisors, may act in lieu of the chairman of such board or committee, in event of the absence of such chairman from a meeting of the drainage board.