Wash. Admin. Code § 287-04-031
Statutory Authority: RCW 43.33A.110 and 42.52.200. 98-01-138, § 287-04-031, filed 12/19/97, effective 1/19/98. Statutory Authority: RCW 43.33A.110. 95-15-081, § 287-04-031, filed 7/18/95, effective 8/18/95; 93-04-008, § 287-04-031, filed 1/22/93, effective 2/22/93.