Mich. Comp. Laws § 38.2745

Sec. 15. (1) A trustee shall not be any of the following: (a) Personally liable for any liability, loss, or expense suffered by the trust, unless the liability, loss, or expense arises out of or results from the willful misconduct or intentional wrongdoing of the trustee. (b) Responsible for the adequacy of the trust to meet and discharge any obligation under the applicable retirement act and this act. (c) Required to take action to enforce the payment of any contribution or appropriation to the trust. (2) The trustees may be indemnified by the trusts and from the fund of the trusts against costs, liabilities, losses, damages, and expenses, including their attorney fees, as more fully provided in the respective trust agreements, unless such costs, liabilities, losses, damages, or expenses arise out of or result from the willful misconduct or intentional wrongdoing of a trustee.