Rule 1. On the waters of Silver lake, Wilmont township, county of Cheboygan, state of Michigan, no operator of any motorboat shall have in tow or shall otherwise be assisting in the propulsion of a person on water skis, water sleds, surfboard or other similar contrivance during the period from 6:30 p.m. to 10:00 a.m. of the following day.
Mich. Admin. Code R. 281.716.1