Wash. Admin. Code § 296-99-015
(1) WAC 296-99-010 through 296-99-070 apply to:
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 17-16-132, § 296-99-015, filed 8/1/17, effective 9/1/17. Statutory Authority: Chapter 49.17 RCW. WSR 97-22-065, § 296-99-015, filed 11/3/97, effective 1/1/98; WSR 90-03-029 (Order 89-20), § 296-99-015, filed 1/11/90, effective 2/26/90; WSR 88-23-054 (Order 88-25), § 296-99-015, filed 11/14/88.]