Michigan Compiled Laws, Chapter 450. Corporations § 450.2565

Sec. 565. (1) An indemnification or advance of expenses provided under sections 561 to 564c  1 is not exclusive of other rights to which a person seeking indemnification or advance of expenses may be entitled under the articles of incorporation, bylaws, or a contractual agreement.The total amount of expenses advanced or indemnified from all sources combined shall not exceed the amount of actual expenses incurred by the person that is seeking indemnification or advance of expenses.

(2) Indemnification under sections 561 to 565  2 continues for a person that ceases to be a director, officer, employee, nondirector volunteer, or agent and inures to the benefit of the heirs, personal representatives, and administrators of the person.

(3) A right of indemnification or to advancement of expenses under a provision of the articles of incorporation or the bylaws is not eliminated or impaired by an amendment to the provision after the occurrence of the act or omission that is the subject of the formal or informal, administrative or investigative action, suit, or proceeding for which indemnification or advancement of expenses is sought unless the provision in effect at the time of the act or omission explicitly authorizes that elimination or impairment after the action or omission has occurred.