Mich. Comp. Laws § 450.2201: Incorporators; signing and filing articles of incorporation.

Sec. 201.

One or more persons may be the incorporators of a corporation by signing in ink and filing articles of incorporation for the corporation.

If there are 3 or more incorporators of a corporation, the incorporators may, by suitable resolution adopted by the incorporators at the organization meeting or by written instrument, designate any 1 among themselves to sign the articles of incorporation for that person and the remainder of the incorporators, in which case a copy of the resolution duly certified by the person who acted as secretary at the organization meeting shall be made a part of and filed with the articles of incorporation.