Wash. Admin. Code § 392-122-221
Statutory Authority: RCW 28A.150.290. 08-24-029, § 392-122-221, filed 11/24/08, effective 12/25/08; 01-24-002, § 392-122-221, filed 11/21/01, effective 12/22/01. Statutory Authority: 1998 c 244 §9(2) and RCW 28A.150.290. 98-21-065 (Order 98-09), § 392-122-221, filed 10/20/98, effective 11/20/98. Statutory Authority: RCW 28A.150.290. 95-08-025, § 392-122-221, filed 3/29/95, effective 4/29/95; 92-03-045 (Order 92-03), § 392-122-221, filed 1/10/92, effective 2/10/92.