Wash. Admin. Code § 182-20-620
Statutory Authority: RCW 41.05.220 and 41.05.230. 09-23-100 (Order 09-03), §182-20-620, filed 11/17/09, effective 12/18/09. Statutory Authority: RCW 41.05.160, 41.05.220, 41.05.230, and 2006 c 67. 07-02-055 (Order 06-07), §182-20-620, filed 12/28/06, effective 1/28/07.