Wash. Admin. Code § 458-53-100
Statutory Authority: RCW 84.08.010, 84.08.070 and 84.48.075. 96-05-002, § 458-53-100, filed 2/8/96, effective 3/10/96. Statutory Authority: RCW 84.48.075 and 84.08.010(2). 89-09-021 (Order PT 89-5), § 458-53-100, filed 4/12/89. Statutory Authority: RCW 84.48.075. 84-14-039 (Order PT 84-2), § 458-53-100, filed 6/29/84; 83-16-050 (Order PT 83-2), § 458-53-100, filed 8/1/83; 82-08-061 (Order PT 82-3), § 458-53-100, filed 4/6/82; 79-11-029 (Order PT 79-3), § 458-53-100, filed 10/11/79.