[Statutory Authority: RCW
51.52.020. WSR 91-13-038, § 263-12-170, filed 6/14/91, effective 7/15/91. Statutory Authority: RCW
51.52.104,
51.52.020 and chapters
51.48 and
42.17 RCW. WSR 86-03-021 (Order 20), § 263-12-170, filed 1/10/86. Statutory Authority: RCW
51.41.060(4) and
51.52.020. WSR 83-01-001 (Order 12), § 263-12-170, filed 12/2/82; Order 7, § 263-12-170, filed 4/4/75; Order 4, § 263-12-170, filed 6/9/72; General Order 2, Rules 10.1 and 10.2, filed 6/12/63; General Order 1, Rules 7.1 and 7.2, filed 3/23/60; Subsections (1) and (2), General Order 3, Rule 10.2, filed 10/29/65. Formerly WAC 296-12-170.]