[Statutory Authority: RCW 43.21C.120 and chapter 197-11 WAC. WSR 84-19-030 (Order 90), § 468-12-010, filed 9/14/84. Statutory Authority: 1977 ex.s. c 151. WSR 79-01-033 (DOT Order 10 and Comm. Order 1, Resolution No. 13), § 468-12-010, filed 12/20/78. Formerly WAC 252-09-010.]