Wash. Admin. Code § 220-359-020
[Statutory Authority: RCW 77.04.090, 77.040.130 [77.04.130], 77.12.045, and 77.12.047. WSR 19-06-018 (Order 19-36), § 220-359-020, filed 2/26/19, effective 3/29/19. 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 § 220-359-020, filed 2/15/17, effective 3/18/17; Order 77-14, § 220-32-051, filed 4/15/77; Order 1043, § 220-32-051, filed 2/22/73; Order 915, § 220-32-051, filed 3/4/71.]