Washington Revised Code Title 34. Administrative Law § 34.05.482. Brief adjudicative proceedings--Applicability

(a) The use of those proceedings in the circumstances does not violate any provision of law;

(b) The protection of the public interest does not require the agency to give notice and an opportunity to participate to persons other than the parties;

(c) The matter is entirely within one or more categories for which the agency by rule has adopted this section and RCW 34.05.485 through 34.05.494; and

(d) The issue and interests involved in the controversy do not warrant use of the procedures of RCW 34.05.413 through 34.05.479.