Wash. Admin. Code § 296-62-20017
Statutory Authority: RCW 49.17.010, [49.17].040 and[49.17].050 . 99-17-094, § 296-62-20017, filed 8/17/99, effective 12/1/99; 98-02-030, § 296-62-20017, filed 12/31/97, effective 1/31/98; Order 77-14, § 296-62-20017, filed 7/25/77.