Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.81115

(a) Except as otherwise provided by law, on or over land, snow, ice, or other natural terrain.

(b) Except as otherwise provided in this part, on a forest trail or in a designated area.

(c) On a street, county road, or highway, except if the vehicle is registered under the code.

(a) The ORV is used exclusively in a comprehensive program for training as required in section 81129.

(b) The ORV is operated solely on private property by the owner of the property, a family member of the owner, or an invited guest of the owner.

(c) The ORV is being operated on a free ORV-riding day. The department shall designate as free ORV-riding days each year a Saturday and the following Sunday that are also designated as free fishing days under section 43534. In addition, the department may designate 1 other day or 2 other consecutive days each year as free ORV-riding days. A person operating an unlicensed ORV during a free ORV-riding day has the same privileges and is subject to the same rules and regulations as a person operating an ORV licensed as required under subsection (1).

(d) If and to the extent the department waives the requirement pursuant to a reciprocal agreement with another state.