Wash. Admin. Code § 296-20-01001
Statutory Authority: 2007 c 282, RCW 51.04.02 [51.04.020],51.04.030 . 08-02-019, § 296-20-01001, filed 12/21/07, effective 1/21/08; Order 77-27, § 296-20-01001, filed 11/30/77, effective 1/1/78; Emergency Order 77-26, § 296-20-01001, filed 12/1/77; Emergency Order 77-16, § 296-20-01001, filed 9/6/77; Order 76-34, § 296-20-01001, filed 11/24/76, effective 1/1/77.