Michigan Compiled Laws, Chapter 600. Revised Judicature Act of 1961 § 600.3368

Sec. 3368. Such division or distribution of a trust estate may be made by a trustee without obtaining the authority of the court as aforesaid, when all the persons who would be entitled to share in the proceeds of the sale of such estate consent thereto in writing, and such trustee shall make such division and distribution when all of the parties interested as aforesaid so request in writing.