Mich. Comp. Laws § 408.322

Sec. 2. As used in this act: (a) "Board" means the ski area safety board. (b) "Commissioner" means the director of commerce or an authorized representative of the director. (c) "Department" means the state department of commerce. (d) "Operator" means a person who owns or controls, or who has operational responsibility for, a ski area or ski lift. An operator includes this state or a political subdivision of this state. (e) "Passenger" means a person, skier or nonskier, who boards, disembarks from, or is transported by a ski lift, regardless of whether the ski lift is being used during the skiing season or nonskiing season, and includes a person waiting for or moving away from the loading or unloading point of a ski lift. (f) "Ski area" means an area used for skiing and served by 1 or more ski lifts. (g) "Skier" means a person wearing skis or utilizing a device that attaches to at least 1 foot or the lower torso for the purpose of sliding on a slope. The device slides on the snow or other surface of a slope and is capable of being maneuvered and controlled by the person using the device. Skier includes a person not wearing skis or a skiing device while the person is in a ski area for the purpose of skiing. (h) "Ski lift" means a device for transporting persons uphill on skis, or in cars on tracks, or suspended in the air by the use of cables, chains, belts, or ropes, and usually supported by trestles or towers with 1 or more spans. Ski lift includes a rope tow.