Wash. Admin. Code § 296-20-124
Statutory Authority: RCW 51.04.020, 51.04.030 and 2007 c 134. 08-02-021, § 296-20-124, filed 12/21/07, effective 1/21/08. Statutory Authority: Chapters 51.04, 51.32 and 51.36 RCW. 90-04-007, § 296-20-124, filed 1/26/90, effective 2/26/90. Statutory Authority: RCW 51.04.020(4), 51.04.030, and 51.16.120(3). 81-01-100 (Order 80-29), § 296-20-124, filed 12/23/80, effective 3/1/81; Order 76-34, § 296-20-124, filed 11/24/76, effective 1/1/77.