Wash. Admin. Code § 212-17-21507
Statutory Authority: Chapters 43.43 and 70.77 RCW. 05-12-033, § 212-17-21507, filed 5/24/05, effective 6/24/05. Statutory Authority: RCW 70.77.250 and chapters 70.77 and 43.43 RCW. 98-04-007, § 212-17-21507, filed 1/23/98, effective 2/23/98.