Wash. Admin. Code § 390-14-020
Statutory Authority: RCW 42.56.100, 42.56.040, and 42.17A.110. 12-18-015, § 390-14-020, filed 8/24/12, effective 9/24/12. Statutory Authority: RCW 42.17.370(1). 99-12-058, § 390-14-020, filed 5/27/99, effective 6/27/99; 85-15-020 (Order 85-03), § 390-14-020, filed 7/9/85; Order 62, § 390-14-020, filed 8/26/75.