[Statutory Authority: RCW 42.17A.110, [42.17A.]120, and [42.17A.]710. WSR 21-04-073, § 390-28-020, filed 1/29/21, effective 3/1/21. Statutory Authority: RCW 42.17A.110(1), 2019 c 428, and 2019 c 261. WSR 20-02-062, § 390-28-020, filed 12/24/19, effective 1/24/20. Statutory Authority: RCW 42.17A.110. WSR 12-03-002, § 390-28-020, filed 1/4/12, effective 2/4/12. Statutory Authority: RCW 42.17.370. WSR 07-14-117, § 390-28-020, filed 7/3/07, effective 8/3/07; WSR 91-22-083, § 390-28-020, filed 11/5/91, effective 12/6/91. Statutory Authority: RCW 42.17.370(1). WSR 85-22-029 (Order 85-04), § 390-28-020, filed 10/31/85; Order 62, § 390-28-020, filed 8/26/75; Order 24, § 390-28-020, filed 2/21/74.]