[Statutory Authority: RCW
41.50.050(5). WSR 13-18-034, § 415-112-040, filed 8/28/13, effective 10/1/13. Statutory Authority: RCW
41.50.050(5) and chapter
41.45 RCW. WSR 02-18-048, § 415-112-040, filed 8/28/02, effective 9/1/02. Statutory Authority: RCW
41.50.050. WSR 96-03-100, § 415-112-040, filed 1/19/96, effective 2/19/96. Statutory Authority: RCW
41.50.050 and
41.32.140. WSR 91-19-065, § 415-112-040, filed 9/16/91, effective 10/17/91; WSR 91-02-020, § 415-112-040, filed 12/21/90, effective 1/21/91.]