Colorado Revised Statutes Title 35. Agriculture § 35-12-111. Misbranding

(d)(I) If it purports to be, is represented as, or is represented as containing a commercial fertilizer, soil conditioner, plant amendment, or compost, unless the plant nutrient, commercial fertilizer, soil conditioner, plant amendment, or compost conforms to the definitions of terms prescribed by this article or under the rules promulgated by the commissioner.

(II) In the adoption of such rules, the commissioner shall give due regard to commonly accepted definitions and official terms such as those issued by the association of American plant food control officials or a successor organization.