Wash. Admin. Code § 284-17-423
Statutory Authority: RCW 48.02.060, 48.17.005. 09-02-073 (Matter No. R 2008-06), § 284-17-423, filed 1/6/09, effective 7/1/09. Statutory Authority: RCW 48.02.060(3)(a) and 48.17.150(1)(g)(ii). 06-12-025 (Matter No. R 2005-06), § 284-17-423, filed 5/30/06, effective 6/30/06.