Wash. Admin. Code § 296-21-270
Statutory Authority: RCW 51.04.020, 51.04.030. 09-14-104, § 296-21-270, filed 6/30/09, effective 7/31/09. Statutory Authority: RCW 51.04.020, 51.04.030 and 1993 c 159. 93-16-072, § 296-21-270, filed 8/1/93, effective 9/1/93.