Rule 8. On the waters of Rush lake, sections 31 and 32, town 32 north, range 3 east, Montmorency township, Montmorency county, it is unlawful:
(a) Between the hours of 6:30 p.m. to 10:00 a.m. of the following day, to: (i) Operate a vessel at high speed, or(ii) Have in tow or otherwise assist in the propulsion of a person on water skis, water sled, surfboard or other similar contrivance, or(b) At any time when within 150 feet of a shoreline, to exceed a slow-no wake speed, except when picking up or dropping off water skiers, so long as such operation is otherwise conducted with due regard for the safety of persons and property and in a line perpendicular to the shoreline insofar as it is reasonably possible.Mich. Admin. Code R. 281.760.8