Michigan Compiled Laws, Chapter 450. Corporations § 450.2451

Sec. 451.(1) The articles of incorporation of a corporation that is organized on a stock or membership basis may provide that a shareholder or member that is entitled to vote at an election for directors may vote, in person, by proxy, or by ballot as provided in section 408 or 409,  1 for as many individuals as there are directors to be elected and for whose election the shareholder or member has a right to vote, or to cumulate votes by giving 1 candidate as many votes as the number of directors to be elected multiplied by the number of votes held by the shareholder or member, or by distributing the votes of the shareholder or member on the same principle among any number of the candidates.

(2) The articles of incorporation of a corporation that is organized on a directorship basis may provide that a person that is entitled to vote at an election for directors may vote, in person, by proxy, or by electronic transmission, for as many individuals as there are directors to be elected and for whose election the person has a right to vote, or to cumulate votes by giving 1 candidate as many votes and the number of directors to be elected multiplied by the number of votes held by the person, or by distributing the votes of the person on the same principle among any number of the candidates.