Wash. Admin. Code § 357-01-172
Statutory Authority: Chapter 41.06 RCW. 09-17-057 and 09-18-112, § 357-01-172, filed 8/13/09 and 9/2/09, effective 12/3/09; 09-03-013, § 357-01-172, filed 1/9/09, effective 2/13/09; 08-15-043, § 357-01-172, filed 7/11/08, effective 10/1/08; 05-12-093, § 357-01-172, filed 5/27/05, effective 7/1/05.