Wash. Admin. Code § 390-28-090
Statutory Authority: RCW 42.17A.110. 12-03-002, § 390-28-090, filed 1/4/12, effective 2/4/12. Statutory Authority: RCW 42.17.370(1). 85-22-029 (Order 85-04), § 390-28-090, filed 10/31/85; Order 62, § 390-28-090, filed 8/26/75; Order 24, § 390-28-090, filed 2/21/74.