Mich. Comp. Laws § 451.251
All persons, firms, associations or corporations acting as trustees or depositaries or fiscal agents or in any other capacity in which funds may be received for the retirement of real estate bonds or other real estate securities, or for the payment of interest thereon, shall keep an accurate record of all transactions in connection therewith, which record shall be open to examination when bonds are in default by the public trust commission or its duly authorized representative or representatives, and, in case of a default in principal or interest payments upon any such obligation, shall make a report thereof to the said public trust commission, setting forth such information as it may have of the number and face value of the bonds or securities originally issued, the number and face value of the bonds or securities outstanding, the cash on hand for application thereon, the extent of default or deficiency in funds for retirement of principal and interest, the period of time for which such real estate bonds or securities were issued, a description of the lands which constitute the security for the payment of said obligations sufficient to identify the same, and, upon demand of the public trust commission, any other information pertinent to the default upon such obligations or the possibility of payment thereon, and shall also, upon demand of the public trust commission, furnish like and further information as and when the same may be required by the said public trust commission. The public trust commission is hereby given express authority to demand that any and all additional information necessary for the performance of its duties be included or given to supplement, at any time, any report required hereby. Upon receiving such demand the trustee, depositary or fiscal agent shall, within the time specified therein, furnish to the said public trust commission such of said requested information as may then be available to said trustee, depositary or fiscal agent. Every such report and such additional information shall be in writing and sworn to by the persons or by the owner or 1 of the owners, if a partnership or unincorporated association, or by any officer having knowledge of the facts if a corporation acting as trustee, depositary, fiscal agent or in any other capacity as above set forth.
MCL 451.251