Mich. Comp. Laws § 700.7107: Governing law.

Sec. 7107.

The meaning and effect of the terms of a trust are determined by the following:

(a) The law of the jurisdiction designated in the terms of the trust unless the designation of that jurisdiction's law is contrary to a strong public policy of the jurisdiction having the most significant relationship to the matter at issue.

(b) In the absence of a controlling designation in the terms of the trust, the law of the jurisdiction having the most significant relationship to the matter at issue.