Subd. 1. Observer or mirror required.

A person may not operate a watercraft on waters of this state and tow a person on water skis, an aquaplane, a surfboard, a saucer, or a similar device unless:

1. (1) there is another person in the watercraft in addition to the operator who is in a position to continually observe the person being towed; or
2. (2) the boat is equipped with a mirror providing the operator a wide field of vision to the rear.

Subd. 2. Night skiing or towing prohibited.

A person may not be towed or operate a watercraft towing a person on water skis, an aquaplane, a surfboard, a saucer, or another device on waters of this state from one hour after sunset to sunrise of the following day.