RCW 79A.60.410: Vessels carrying passengers for hire on whitewater rivers—Whitewater river outfitter's license required.

(1) No person shall act in the capacity of a paid whitewater river outfitter, or advertise in any newspaper or magazine or any other trade publication, or represent himself or herself as a whitewater river outfitter in the state, without first obtaining a whitewater river outfitter's license from the department of licensing in accordance with RCW 79A.60.480.

(2) Every whitewater river outfitter's license must, at all times, be conspicuously placed on the premises set forth in the license.