Michigan Compiled Laws, Chapter 462. Railroads § 462.29

Sec. 29. (a) Copies of contracts furnished commission. Every common carrier whenever required by the commission shall, within a time to be fixed by the commission, deliver to the commission for its use, copies of all contracts which relate to the transportation of persons or property or any service in connection therewith, made or entered into by it with any other common carrier or any shipper or shippers, producers or consumers or other person or persons doing business with it;

(b) Annual free transportation list. Every common carrier shall, on or before the first day of February, 1910, and annually thereafter and oftener if required by the commission, file with the commission a verified list of all free tickets, free passes and free transportation issued or given by it during the year ending the thirty-first day of December preceding, together with the full names and addresses of recipients thereof and the reason for issuing the same: Provided, That this section shall not be deemed to require the filing of a list of such free tickets, free passes and free transportation issued or given by such common carrier to its employes or their families, its officers, agents, surgeons, physicians or attorneys-at-law and members of their families, or the officers, agents, attorneys and employes of other common carriers and their families, except such list be specially ordered by the commission.