Wash. Admin. Code § 296-20-135
Statutory Authority: RCW 51.04.020(1) and 51.04.030. 12-11-107, § 296-20-135, filed 5/22/12, effective 7/1/12; 11-12-019, § 296-20-135, filed 5/24/11, effective 7/1/11; 10-10-107, § 296-20-135, filed 5/4/10, effective 7/1/10; 08-09-121, § 296-20-135, filed 4/22/08, effective 7/1/08; 07-10-082, § 296-20-135, filed 5/1/07, effective 7/1/07; 06-09-071, § 296-20-135, filed 4/18/06, effective 7/1/06; 05-09-062, § 296-20-135, filed 4/19/05, effective 7/1/05; 04-09-100, § 296-20-135, filed 4/20/04, effective 7/1/04; 03-14-043, § 296-20-135, filed 6/24/03, effective 8/1/03; 02-10-129, § 296-20-135, filed 5/1/02, effective 7/1/02; 01-10-026, § 296-20-135, filed 4/24/01, effective 7/1/01; 00-09-077, § 296-20-135, filed 4/18/00, effective 7/1/00. Statutory Authority: RCW 51.04.020(4) and 51.04.030. 99-10-043, § 296-20-135, filed 4/30/99, effective 7/1/99; 98-09-125, § 296-20-135, filed 4/22/98, effective 7/1/98; 97-10-017, § 296-20-135, filed 4/28/97, effective 7/1/97. Statutory Authority: RCW 51.04.020 and 51.04.030. 96-19-060. § 296-20-135, filed 9/16/96, effective 10/17/96; 96-10-086, § 296-20-135, filed 5/1/96, effective 7/1/96; 95-17-001 § 296-20-135, filed 8/2/95, effective 10/1/95; 95-05-072, § 296-20-135, filed 2/15/95, effective 3/18/95. Statutory Authority: RCW 51.04.020, 51.04.030 and 1993 c 159. 94-02-045 and 94-03-008, § 296-20-135, filed 12/30/93 and 1/6/94, effective 3/1/94; 93-16-072, § 296-20-135, filed 8/1/93, effective 9/1/93. Statutory Authority: RCW 51.04.020(4) and 51.04.030. 91-02-063, § 296-20-135, filed 12/28/90, effective 1/28/91; 88-24-011 (Order 88-28), § 296-20-135, filed 12/1/88, effective 1/1/89; 87-03-004 (Order 86-45), § 296-20-135, filed 1/8/87; 83-24-016 (Order 83-35), § 296-20-135, filed 11/30/83, effective 1/1/84; 82-24-050 (Order 82-39), § 296-20-135, filed 11/29/82, effective 7/1/83. Statutory Authority: RCW 51.04.020(4), 51.04.030, and 51.16.120(3). 81-24-041 (Order 81-28), § 296-20-135, filed 11/30/81, effective 1/1/82; 80-18-033 (Order 80-24), § 296-20-135, filed 12/1/80, effective 1/1/81. Statutory Authority: RCW 51.04.030 and 51.16.035. 79-12-086 (Order 79-18), § 296-20-135, filed 11/30/79, effective 1/1/80; Order 77-27, § 296-20-135, filed 11/30/77, effective 1/1/78; Order 76-34, § 296-20-135, filed 11/24/76, effective 1/1/77; Order 75-39, § 296-20-135, filed 11/28/75, effective 1/1/76; Order 74-7, § 296-20-135, filed 1/30/74; Order 71-6, § 296-20-135, filed 6/1/71; Order 68-7, § 296-20-135, filed 11/27/68, effective 1/1/69.