Washington Revised Code Title 81. Transportation § 81.04.210. Commission may change orders

The commission may at any time, upon notice to the public service company affected, and after opportunity to be heard as provided in the case of complaints rescind, alter or amend any order or rule made, issued or promulgated by it, and any order or rule rescinding, altering or amending any prior order or rule shall, when served upon the public service company affected, have the same effect as herein provided for original orders and rules.