[Statutory Authority: RCW 51.52.020. WSR 91-13-038, § 263-12-007, filed 6/14/91, effective 7/15/91. Statutory Authority: RCW 51.52.104, 51.52.020 and chapters 51.48 and 42.17 RCW. WSR 86-03-021 (Order 20), § 263-12-007, filed 1/10/86. Statutory Authority: RCW 51.41.060(4) and 51.52.020. WSR 83-01-001 (Order 12), § 263-12-007, filed 12/2/82.]