Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.74116

Sec. 74116. (1) Subject to subsection (4), the operator of a nonresident motor vehicle or commercial motor vehicle shall not enter any state park with that motor vehicle unless a valid motor vehicle park permit issued under section 74117  1 is affixed to the lower right-hand corner of the windshield. An annual motor vehicle park permit for a nonresident motor vehicle shall be affixed permanently for that year. The department shall post signs at parks that state that a motor vehicle park permit is required for entry by a nonresident motor vehicle or commercial motor vehicle.

(2) Subject to subsection (4), the operator of a resident motor vehicle shall not enter a state park with the resident motor vehicle unless the recreation passport fee has been paid for that motor vehicle. Payment of the recreation passport fee authorizes entry into all state parks and recreation areas and designated state-operated public boating access sites until expiration of the motor vehicle registration.

(3) Subject to subsection (4), if the secretary of state issues registration tabs or stickers as described in section 805 of the Michigan vehicle code, 1949 PA 300, MCL 257.805, the operator of a resident motor vehicle shall not enter a state park with the resident motor vehicle unless the resident motor vehicle has a registration tab or sticker marked as provided under that section to show that the recreation passport fee has been paid.

(4) Subsections (1) to (3) do not apply under any of the following circumstances: