RCW 70A.105.080: Additives—Unfair practices.

(1) Each manufacturer of a certified and approved additive product advertised, sold, or distributed in the state shall:

(a) Make no claims relating to the elimination of the need for septic tank pumping or proper septic tank maintenance;

(b) List the components of additive products on the product label, along with information regarding instructions for use and precautions;

(c) Make no false statements, design, or graphic representation relative to an additive product that is inconsistent with RCW 70A.105.060, 70A.105.070, or this section; and

(d) Make no claims, either direct or implied, about the performance of the product based on state approval of its ingredients.

(2) A violation of this section is an unfair act or practice in violation of the consumer protection act, chapter 19.86 RCW.