Wash. Admin. Code § 296-79-190
Statutory Authority: RCW 49.17.010, 49.17.040 and 49.17.050. 99-16-083, § 296-79-190, filed 8/3/99, effective 11/3/99; Order 74-24, § 296-79-190, filed 5/6/74; Order 70-6, § 296-79-190, filed 7/10/70, effective 8/10/70.