[Statutory Authority: RCW 80.01.040, 80.04.160 and 81.04.160. WSR 98-02-011 (Order R-446, Docket No. A-970591), § 480-11-010, filed 12/29/97, effective 1/29/98. Statutory Authority: Chapter 43.21C RCW. WSR 84-21-030 (Order R-222, Cause No. TE-1817), § 480-11-010, filed 10/10/84. Formerly chapter 480-10 WAC.]