Wash. Admin. Code § 390-18-010
Statutory Authority: RCW 42.17A.110 and 42.17A.320. 13-12-015, § 390-18-010, filed 5/24/13, effective 6/24/13. Statutory Authority: RCW 42.17A.110. 12-03-002, § 390-18-010, filed 1/4/12, effective 2/4/12. Statutory Authority: RCW 42.17.370. 11-05-051, § 390-18-010, filed 2/10/11, effective 3/13/11. Statutory Authority: RCW 42.17.370 and 42.17.562. 06-11-132, § 390-18-010, filed 5/23/06, effective 6/23/06. Statutory Authority: RCW 42.17.370. 03-12-034, § 390-18-010, filed 5/29/03, effective 6/29/03. Statutory Authority: RCW 42.17.370(1). 00-22-055, § 390-18-010, filed 10/27/00, effective 11/27/00. Statutory Authority: RCW 42.17.370. 93-16-064, § 390-18-010, filed 7/30/93, effective 8/30/93. Statutory Authority: RCW 42.17.370(1). 85-15-020 (Order 85-03), § 390-18-010, filed 7/9/85.