Wash. Admin. Code § 458-20-17902
Statutory Authority: RCW 82.32.300, 82.01.060(2), 82.12.022 and 82.14.230. 07-24-055, § 458-20-17902, filed 12/3/07, effective 1/3/08. Statutory Authority: RCW 82.32.300. 90-17-068, § 458-20-17902, filed 8/16/90, effective 9/16/90.