Wash. Admin. Code § 390-12-050
Statutory Authority: RCW 42.17A.110. 12-03-002, § 390-12-050, filed 1/4/12, effective 2/4/12. Statutory Authority: RCW 42.17.370. 90-16-083, § 390-12-050, filed 7/31/90, effective 8/31/90. Statutory Authority: RCW 42.17.370(1). 85-15-020 (Order 85-03), § 390-12-050, filed 7/9/85; 79-10-017 (Order 79-05), § 390-12-050, filed 9/7/79.