Mich. Comp. Laws § 453.201

Sec. 1. That in any county in this state where the inhabitants thereof have organized and established more than 1 society for the encouragement and advancement of agriculture, manufactures, and the mechanic arts, in accordance with the provisions of section 1687 of the Compiled Laws, the board of supervisors of said county may apportion the amount raised by tax in said county, by the provisions of section 1687, 1688, and 1689 of the Compiled Laws, among each of said societies, as they may deem equitable and just.