Mich. Comp. Laws § 474.105: Motor carrier; compliance with act; authority; registration of roster.

Sec. 5.

A motor carrier shall not operate a bus for the transportation of persons for hire on a public highway in this state except in accordance with this act. A motor carrier shall not operate upon a public highway without first having obtained from the department an authority. A motor carrier shall register its roster with the department, and all vehicles on the roster shall comply with the provisions of this act.