[Statutory Authority: RCW
48.02.060,
48.31B.040, chapter
48.31B RCW, and 2015 c 122. WSR 15-22-062 (Matter No. R 2015-05), § 284-18-400, filed 10/30/15, effective 1/1/16. Statutory Authority: RCW
48.02.060 and 1993 c 462 § 9. WSR 93-19-005 (Order R 93-9), § 284-18-400, filed 9/1/93, effective 10/2/93.]