Wash. Admin. Code § 415-501-410
Statutory Authority: RCW 41.50.050(5), 41.50.780(10), and 41.50.770. 04-22-053, §415-501-410, filed 10/29/04, effective 11/29/04. Statutory Authority: RCW 41.50.770,[41.50.]780 and 41.50.050. 00-11-104, amended and recodified as §415-501-410, filed 5/18/00, effective 6/18/00. Statutory Authority: RCW 41.50.050 and 41.50.780(11). 96-16-020, § 415-512-010, filed 7/29/96, effective 7/29/96.