Washington Revised Code Title 53. Port Districts § 53.29.020. Power to establish trade centers--Facilities authorized

(1) A facility consisting of one or more structures, improvements and areas for the centralized accommodation of public and private agencies, persons and facilities in order to afford improved service to waterborne and airborne import and export trade and commerce;

(2) Facilities for the promotion of such import and export trade and commerce, inspection, testing, display and appraisal facilities, foreign trade zones, terminal and transportation facilities, office meeting rooms, auditoriums, libraries, language translation services, storage, warehouse, marketing and exhibition facilities, facilities for federal, state, county and other municipal and governmental agencies providing services relating to the foregoing and including, but not being limited to, customs houses and customs stores, and other incidental facilities and accommodations.