Missouri Revised Statutes Title XII. Public Health and Welfare § 195.418. Limitations on the retail sale of methamphetamine precursor drugs--violations, penalty

(1) Sales in packages containing not more than a total of three grams of one or more methamphetamine precursor drugs, calculated in terms of ephedrine base, pseudoephedrine base and phenylpropanolamine base; and

(2) For nonliquid products, sales in blister packs, each blister containing not more than two dosage units, or where the use of blister packs is technically infeasible, sales in unit dose packets or pouches.