Wash. Admin. Code § 392-122-710
Statutory Authority: RCW 28A.150.290. 09-04-082, § 392-122-710, filed 2/3/09, effective 3/6/09; 96-03-002, § 392-122-710, filed 1/3/96, effective 2/3/96. Statutory Authority: 1990 c 33. 90-16-002 (Order 18), § 392-122-710, filed 7/19/90, effective 8/19/90. Statutory Authority: RCW 28A.41.170. 86-01-021 (Order 85-16), § 392-122-710, filed 12/9/85; 84-20-078 (Order 84-36), § 392-122-710, filed 10/2/84; 84-13-020 (Order 84-10), § 392-122-710, filed 6/13/84.