Mich. Comp. Laws § 324.75103: Outdoor lighting; installation; limitation.

Sec. 75103.

(1) The commission shall ensure that outdoor lighting within a state-owned dark sky preserve is not installed unless necessary for safety, security, or the reasonable use and enjoyment of property within the preserve.

(2) The commission shall ensure that outdoor lighting within a state-owned dark sky preserve does not unreasonably interfere with nighttime activities that require darkness, including, but not limited to, the enjoyment of the night sky, nighttime photography, and wildlife photography.