RCW 53.57.050: Powers, authorities, rights—Jurisdiction.

Powers, authorities, or rights expressly or impliedly granted to any port district or agents of the port district under the provisions of this chapter are not operable, applicable, or effective beyond the boundaries of the port district, unless so provided by contract between the port district and a county, a city, or another port district in accordance with an agreement for joint or cooperative action under the interlocal cooperation act, chapter 39.34 RCW.