Wash. Admin. Code § 392-153-021
Statutory Authority: Chapter 28A.220 RCW and RCW 46.20.100. 09-03-086, § 392-153-021, filed 1/20/09, effective 2/20/09. Statutory Authority: RCW 28A.150.290. 06-08-043, § 392-153-021, filed 3/30/06, effective 4/30/06. Statutory Authority: Chapters 28A.220 and 46.82 RCW. 01-16-003, § 392-153-021, filed 7/18/01, effective 8/18/01.