Wash. Admin. Code § 390-18-040
Statutory Authority: RCW 42.17.370 and 42.17.562. 06-11-132, § 390-18-040, filed 5/23/06, effective 6/23/06. Statutory Authority: RCW 42.17.370(1). 02-03-018, § 390-18-040, filed 1/4/02, effective 2/4/02. Statutory Authority: RCW 42.17.370. 92-12-037, § 390-18-040, filed 5/29/92, effective 6/29/92. Statutory Authority: RCW 42.17.370(1). 88-14-064 (Order 88-02), § 390-18-040, filed 7/1/88; 86-12-059 (Order 86-03), § 390-18-040, filed 6/3/86.