Wash. Admin. Code § 51-51-1501
Statutory Authority: RCW 19.27.031 and 19.27.074. 10-03-098, § 51-51-1501, filed 1/20/10, effective 7/1/10. Statutory Authority: RCW 19.27.190, 19.27.020, and chapters 19.27 and 34.05 RCW. 08-01-102, § 51-51-1501, filed 12/18/07, effective 4/1/08.