Michigan Compiled Laws, Chapter 259. Aviation § 259.486

Sec. 6. (1) A permit must specify the obstruction markers, markings, lighting, or other visual or aural identification required to be installed on or in the vicinity of the structure, if any. The identification characteristics required must conform to federal laws and regulations.Notwithstanding any federal guidelines, and on consideration of the relevant facts, a permit may require lighting to be operational during daylight hours.

(2) Unless waived by the commission because of federal permit requirements or other valid reasons, the obstruction lights for a structure more than 800 feet above the ground elevation at the structure's site must be high intensity white obstruction lights and must be operational during daylight hours, in addition to any nighttime lighting requirement.

(3) If ordered by the commission, the owner of a nonconforming structure that is permanently out of service or partially dismantled, destroyed, deteriorated, or decayed shall demolish or remove the structure.

(4) Failure to maintain obstruction lights in an operable condition is a violation of this act.