Wash. Rev. Code § 78.52.490
Within thirty days after the application for a hearing is denied, or if the application is granted, then within thirty days after the rendition of the decision on the hearing, the applicant may apply to the superior court, at the petitioner's option, for (a) Thurston county, (b) the county of petitioner's residence or place of business, or (c) in any county where the property or property rights owned by the petitioner is located for a review of such rule, regulation, order, or decision. The application for review shall be filed in the office of the clerk of the superior court of Thurston county and shall specifically state the grounds for review upon which the applicant relies and shall designate the rule, regulation, order, or decision sought to be reviewed. The applicant shall immediately serve a certified copy of said application upon the commissioner of public lands who shall immediately notify all parties who appeared in the proceedings before the department that such application for review has been filed. In the event the court determines the review is solely for the purpose of determining the validity of a rule or regulation of general applicability the court shall transfer venue to Thurston county for a review of such rule or regulation in the manner provided for in RCW 34.05.570.
RCW 78.52.490
Severability-Headings and captions not law-Effective date-1994 sp.s. c 9: See RCW 18.79.900 through 18.79.902.