Michigan Compiled Laws, Chapter 125. Planning, Housing and Zoning § 125.1631

Sec. 31. (1) The articles of incorporation shall be executed in duplicate and delivered to the county clerk who shall file 1 copy in his or her office and the other with the recording officer of the corporation when a recording officer is selected. The municipality's clerk shall cause a copy of the articles of incorporation to be published once in a newspaper designated in the articles of incorporation and circulating within the municipality accompanied by a statement that the right exists to question the incorporation in court as provided in this section.

(2) The county clerk shall file 1 printed copy of the articles of incorporation with the secretary of state and 1 printed copy in his or her office, attached to each of which printed copies shall be his or her certificate setting forth that the same is a true and complete copy of the original articles of incorporation on file in his or her office.

(3) The corporation shall become effective at the time provided in the articles of incorporation.

(4) The validity of the incorporation shall be conclusively presumed unless questioned in a court of competent jurisdiction within 60 days after the filing of a certified copy with the secretary of state.