Exclusions.
This chapter does not apply to:
(1) Persons or their lessees, receivers, or trustees insofar as they own, control, operate, or manage taxicabs, hotel buses, or school buses, when operated as such;
(2) Passenger vehicles carrying passengers on a noncommercial enterprise basis; or
(3) Limousine charter party carriers of passengers under chapter 46.72A RCW.