Wash. Admin. Code § 388-15-021
Statutory Authority: Chapter 26.44 RCW, RCW 74.08.090, 74.13.031, 74.04.050, and 2007 c 220. 09-07-001, § 388-15-021, filed 3/4/09, effective 4/4/09. Statutory Authority: RCW 74.13.031, 74.04.050 and chapter 26.44 RCW. 02-15-098 and 02-17-045, § 388-15-021, filed 7/16/02 and 8/14/02, effective 2/10/03.