Washington Revised Code Title 43. State Government--Executive § 43.22.051. Rule making restricted

For rules adopted after July 27, 1997, the director of the department of labor and industries may not rely solely on a statute's statement of intent or purpose, on the enabling provisions of the statute establishing the agency, or on any combination of those provisions, for statutory authority to adopt any rule. This section does not apply to rules adopted under chapter 39.12 RCW.