RCW 51.16.220
Rules-2005 c 422: "The department of labor and industries may adopt rules to implement this act." [ 2005 c 422 s 3.]
Effective date-2005 c 422: "This act is necessary for the immediate preservation of the public peace, health, or safety, or support of the state government and its existing public institutions, and takes effect immediately [May 11, 2005]." [ 2005 c 422 s 4.]