Wash. Admin. Code § 392-122-900
Statutory Authority: RCW 28A.150.290. 09-04-082, § 392-122-900, filed 2/3/09, effective 3/6/09. Statutory Authority: RCW 28A.150.290 and 1999 c 309 § 512. 02-04-023, § 392-122-900, filed 1/24/02, effective 1/24/02. Statutory Authority: RCW 28A.150.290. 96-03-002, § 392-122-900, filed 1/3/96, effective 2/3/96. Statutory Authority: 1995 2nd sp.s. c 18 § 519. 95-18-074, § 392-122-900, filed 9/1/95, effective 10/2/95. Statutory Authority: RCW 28A.150.290. 92-19-125 (Order 92-08), § 392-122-900, filed 9/21/92, effective 10/22/92. Statutory Authority: RCW 28A.41.170. 86-01-021 (Order 85-16), § 392-122-900, filed 12/9/85; 84-20-078 (Order 84-36), § 392-122-900, filed 10/2/84; 84-13-020 (Order 84-10), § 392-122-900, filed 6/13/84.