Mich. Comp. Laws § 450.3145: Amendments; affirmative vote of majority.

Sec. 1145.

Notwithstanding section 611(4), 703a(2)(d), 753(4), or 804(6), unless the articles of incorporation provide for a higher vote for passage, amendment of the articles of incorporation, amendment of the bylaws that alters member voting rights or member capital, merger, disposition of all or substantially all of the assets of the corporation, or dissolution require approval by the affirmative vote of a majority of the votes cast by members that are eligible to vote on that matter, and if a class is eligible to vote on that matter as a class, the affirmative vote of a majority of the votes cast by members of that class. An action described in this section shall be taken at a meeting called according to the notice provisions of section 404.