Mich. Comp. Laws § 458.303

Sec. 3. It shall be lawful for said corporation at any regular or called meeting of its members, due notice having been given as hereinafter provided, by a 2/3 majority of the ballots cast at such meeting, to amend its articles of association in any manner not inconsistent with the provisions of this act, and such amendment shall become operative when a copy of the same, duly certified by the presiding officer and clerk of such meeting, and acknowledged before any person authorized to take acknowledgment of deeds, shall be filed with the corporation and securities bureau of the department of commerce.