Mich. Comp. Laws § 14.283

Sec. 13. The trustee of a trust subject to supervision by a specified public charitable organization, as provided in subsection (2) of section 11, shall file with each specified public charitable organization, (a) a true copy of the governing instrument together with a written report, under oath, setting forth complete information as to the nature of the assets and liabilities with the delivery of the release pursuant to subsection (1) of section 11 or the filing of the election under section 12; (b) an annual report, within 4 1/2 months following the close of each year, setting forth a complete statement of receipts, disbursements, assets together with cost and market value of each asset, and liabilities; and (c) such other information as the public charitable organization deems necessary to compel proper administration of the trust.