Wash. Admin. Code § 220-370-210
[Statutory Authority: RCW 77.04.012, 77.04.013, 77.04.020, 77.04.055, and 77.12.047. WSR 17-05-112 (Order 17-04), recodified as § 220-370-210, filed 2/15/17, effective 3/18/17. Statutory Authority: RCW 75.58.010. WSR 87-08-033 (Order 87-20), § 220-77-050, filed 3/27/87.]