Mich. Comp. Laws § 46.359a

Sec. 9a. A county or regional commission desiring to acquire real property in another county not a member of a regional commission, shall notify the board of supervisors of the county wherein the real property to be taken is located of its intentions to institute proceedings under section 9; and, unless the members of the board of supervisors by a majority vote disapprove the contemplated action within 60 days of the receipt of notification by certified mail of such contemplated action the county or regional commission may proceed to institute proceedings pursuant to the provisions of section 9.