Wash. Admin. Code § 173-226-090
Statutory Authority: RCW 90.48.035. 02-05-055 (Order 01-08), § 173-226-090, filed 2/15/02, effective 3/18/02. Statutory Authority: RCW 43.21A.230. 93-20-011 (Order 92-53), § 173-226-090, filed 9/22/93, effective 10/23/93. Statutory Authority: Chapter 90.48 RCW. 93-10-099 (Order 92-55), § 173-226-090, filed 5/5/93, effective 5/19/93.