Wash. Admin. Code § 230-13-150
Statutory Authority: RCW 9.46.070. 09-15-067 (Order 650), § 230-13-150, filed 7/13/09, effective 8/13/09; 08-11-036 (Order 625), § 230-13-150, filed 5/14/08, effective 7/1/08; 07-15-064 (Order 612), § 230-13-150, filed 7/16/07, effective 1/1/08.