Wash. Admin. Code § 173-160-121
Statutory Authority: Chapter 18.104 RCW. 09-01-125 (Order 08-10), § 173-160-121, filed 12/19/08, effective 1/19/09. Statutory Authority: Chapter 18.104 RCW and RCW 43.21A.080. 98-08-032 (Order 97-08), § 173-160-121, filed 3/23/98, effective 4/23/98.