Title 48 RCW constitutes the insurance code.
RCW 48.01.010
Severability-1975 1st ex.s. c 266: "If any provision of this 1975 amendatory act, or its application to any person or circumstance is held invalid, the remainder of the act or the application of the provision to other persons or circumstances is not affected." [ 1975 1st ex.s. c 266 s 21.]