Mich. Comp. Laws § 554.654

Sec. 4. If an occupant has accumulated an outstanding account in excess of an amount equal to 3 nights' rent at a campground, the operator may disconnect the utilities of the occupant's recreational vehicle and give written notice to the occupant that the action is for the purpose of requiring the occupant to meet with the operator and arrange for payment of the occupant's account. The arrangement shall be in writing, and a copy shall be furnished to the occupant. Upon entering into a payment agreement, the operator shall reconnect the utilities of the recreational vehicle.