Wash. Admin. Code § 296-99-050
Statutory Authority: Chapter 49.17 RCW. 97-22-065, § 296-99-050, filed 11/3/97, effective 1/1/98; 91-11-070 (Order 91-01), § 296-99-050, filed 5/20/91, effective 6/20/91; 90-03-029 (Order 89-20), § 296-99-050, filed 1/11/90, effective 2/26/90; 88-23-054 (Order 88-25), § 296-99-050, filed 11/14/88.