Wash. Admin. Code § 390-19-020
Statutory Authority: RCW 42.17A.110. 12-03-002, § 390-19-020, filed 1/4/12, effective 2/4/12. Statutory Authority: RCW 42.17.370(1). 10-04-058, § 390-19-020, filed 1/29/10, effective 3/1/10. Statutory Authority: RCW 42.17.370. 09-02-021, § 390-19-020, filed 12/30/08, effective 1/30/09; 01-22-052, § 390-19-020, filed 10/31/01, effective 1/1/02.