Michigan Compiled Laws, Chapter 450. Corporations § 450.2563

Sec. 563. Unless otherwise provided by law or under the articles of incorporation or bylaws of the corporation, to the extent that a director, officer, or nondirector volunteer of a corporation is successful on the merits or otherwise in defense of an action, suit, or proceeding referred to in section 561 or 562,  1 or in defense of a claim, issue, or matter in the action, suit, or proceeding, or has established that the corporation is required to assume the person's liabilities under section 209(1)(d) or (e),  2 the corporation shall indemnify the person for actual and reasonable expenses, including attorneys' fees, incurred in connection with the action, suit, or proceeding and an action, suit, or proceeding brought to enforce the mandatory indemnification provided in this section.