Wash. Admin. Code § 446-20-440
Statutory Authority: Chapters 10.97 and 43.43 RCW. 10-01-109, § 446-20-440, filed 12/17/09, effective 1/17/10. Statutory Authority: RCW 43.43.760, 43.43.815 and 43.43.838. 92-15-015, § 446-20-440, filed 7/6/92, effective 8/6/92. Statutory Authority: RCW 10.97.080 and 10.97.090. 80-08-057 (Order 80-2), § 446-20-440, filed 7/1/80.