Mich. Comp. Laws § 14.278

Sec. 8. (1) In the case of a trust which is solely for named public charitable organizations and as to which the trustee does not possess any discretion with regard to the distribution of income or principal among 2 or more organizations, the trustee, with the consent of the named public charitable organizations, may amend the governing instrument to comply with subsection (2) of section 5. (2) If a charitable trust is not subject to subsection (1) of section 8, the trustee with the consent of the attorney general may amend the governing instrument to comply with subsection (2) of section 5.