Wash. Admin. Code § 182-20-160
Statutory Authority: RCW 41.05.160, 41.05.220, and 41.05.230. 10-05-046 (Order 09-04), §182-20-160, filed 2/10/10, effective 3/13/10. Statutory Authority: RCW 41.05.160. 01-04-080 (Order 00-06), §182-20-160, filed 2/7/01, effective 3/10/01. Statutory Authority: RCW 43.70.040. 95-12-010, §182-20-160, filed 5/26/95, effective 6/26/95.