Mich. Comp. Laws § 458.459

Sec. 9. Any church of the Evangelical association heretofore incorporated, or the trustees of which have heretofore exercised the powers of a body corporate may place itself under the provisions of this act by a majority of the members of said church executing articles of incorporation according to section 3 of this act, and recording the same as provided for in section 4 of this act.