Wash. Admin. Code § 173-03-020
Statutory Authority: RCW 42.17.250. 98-16-052 (Order 98-12), § 173-03-020, filed 7/31/98, effective 8/31/98. Statutory Authority: RCW 43.17.060 and 42.17.260. 90-21-119 (Order 90-37), § 173-03-020, filed 10/23/90, effective 11/23/90. Statutory Authority: RCW 42.17.250 - 42.17.340. 78-02-041 (Order DE 77-35), § 173-03-020, filed 1/17/78.