Mich. Comp. Laws § 450.2643

Sec. 643. (1) A majority of incorporators shall sign and file restated articles of incorporation adopted under section 641(3) as provided in section 131. (2) Except as provided in subsection (1), a corporation shall execute and file restated articles of incorporation as provided in section 131. (3) When a filing of restated articles of incorporation becomes effective, the corporation's original articles of incorporation and previous amendments are superseded, and the restated articles of incorporation, including any amendments that are included in the restated articles of incorporation, are the articles of incorporation of the corporation.