Michigan Compiled Laws, Chapter 700. Estates and Protected Individuals Code § 700.7504

Sec. 7504.(1) The interest of a trust beneficiary that is subject to a spendthrift provision, a support provision, or both may be reached in satisfaction of an enforceable claim against the trust beneficiary by any of the following:

(2) The court shall order the trustee to satisfy all or part of a judgment described in subsection (1) only out of all or part of distributions of income or principal as they become due.

(3) Notwithstanding that the terms of the trust include a spendthrift provision, this section does not apply to the interest of a trust beneficiary that is subject to a discretionary trust provision.

(4) As used in this section, “child” includes any person for whom an order or judgment for child support has been entered in this or another state.