RCW 69.04.160: Prosecutions.

(1) It shall be the duty of each state attorney, county attorney, or city attorney to whom the director reports any violation of this chapter, or regulations promulgated under it, to cause appropriate proceedings to be instituted in the proper courts, without delay, and to be duly prosecuted as prescribed by law.

(2) Before any violation of this chapter is reported by the director to any such attorney for the institution of a criminal proceeding, the person against whom such proceeding is contemplated shall be given appropriate notice and an opportunity to present his or her views to the director, either orally or in writing, with regard to such contemplated proceeding.