Wash. Admin. Code § 296-17-850
Statutory Authority: RCW 51.04.020(1) and 51.16.035. 90-20-092, § 296-17-850, filed 10/1/90, effective 11/1/90. Statutory Authority: RCW 51.16.035. 87-24-060 (Order 87-26), § 296-17-850, filed 12/1/87, effective 1/1/88; 87-12-032 (Order 87-12), § 296-17-850, filed 5/29/87, effective 7/1/87; 86-12-041 (Order 86-18), § 296-17-850, filed 5/30/86, effective 7/1/86; 85-24-032 (Order 85-33), § 296-17-850, filed 11/27/85, effective 1/1/86; 85-13-046 (Order 85-13), § 296-17-850, filed 6/17/85; 82-24-047 (Order 82-38), § 296-17-850, filed 11/29/82, effective 1/1/83. Statutory Authority: RCW 51.04.030 and 51.16.035. 79-12-086 (Order 79-18), § 296-17-850, filed 11/30/79, effective 1/1/80; Order 76-18, § 296-17-850, filed 5/28/76, effective 7/1/76; Order 74-40, § 296-17-850, filed 11/27/74, effective 1/1/75; Order 73-22, § 296-17-850, filed 11/9/73, effective 1/1/74.