Wash. Admin. Code § 220-304-030
[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), amended and recodified as § 220-304-030, filed 2/15/17, effective 3/18/17. Statutory Authority: RCW 75.08.080. WSR 84-05-046 (Order 84-11), § 220-74-022, filed 2/21/84; WSR 79-10-013 (Order 79-75), § 220-74-022, filed 9/7/79.]