Michigan Compiled Laws, Chapter 124. Municipalities § 124.455

Sec. 5. (1) The adoption of articles of incorporation under this act shall be evidenced by an endorsement on the articles of incorporation by the clerk of each respective political subdivision or by the recording officer of the incorporating authority under section 3  1 in a form substantially as follows:

The foregoing articles of incorporation were adopted by an affirmative vote of a majority of the members serving on the governing or legislative body of ____________________, ________________ at a meeting duly held on the ______ day of __________, A.D., 19___.

(2) The articles of incorporation shall be published by the person or persons designated in the articles at least once in a newspaper designated in the articles and circulated within the area proposed to be served by the public authority. One printed copy of the articles of incorporation shall be filed with the secretary of state, the clerk of each county to be served by the public authority, and the director of the state transportation department by the person designated to do so by the articles. The public authority shall become operative and the articles of incorporation effective at the time provided in the articles of incorporation. The validity of the incorporation shall be conclusively presumed unless questioned in a court of competent jurisdiction within 60 days after the publication of the articles of incorporation.