Michigan Compiled Laws, Chapter 450. Corporations § 450.2553

Sec. 553.(1) If a director is present at a meeting of the board, or an executive committee of which he or she is a member, and action on a corporate matter described in section 551  1 is taken at that meeting, the director is presumed to concur in that action unless his or her dissent is entered in the minutes of the meeting or unless he or she files his or her written dissent to the action with the individual who is acting as secretary of the meeting before or promptly after the adjournment of the meeting. The right to dissent does not apply to a director who voted in favor of the action.

(2) If a director who is absent from a meeting of the board, or an executive committee of which he or she is a member, and action on a corporate matter described in section 551 is taken at that meeting, the director is presumed to concur in the action unless he or she files his or her dissent with the secretary of the corporation within a reasonable time after he or she has knowledge of the action.