WAC 246-273-060. Unfair practices

Manufacturers of approved additives advertised, sold, or distributed in Washington state shall: (1) Make no claims relating to the elimination of the need for septic tank pumping or proper septic tank maintenance; (2) List the components of additive products on the product label, along with information regarding instructions for use and precautions; (3) 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 70A.105.080 ; and (4) Make no claims, either direct or implied, about the performance of the product based on state approval of its ingredients.