SDCL § 34-20D-2: Purchase of packages containing pseudoephedrine or ephedrine--Number in single transaction limited--Exception--Misdemeanor.

No person may purchase, in a single transaction, more than two packages containing pseudoephedrine or ephedrine as an active ingredient. This restriction does not apply to purchases made with a valid prescription drug order prescribed by a practitioner as defined in § 36-11-2 with appropriate authority. Any person who purchases packages containing pseudoephedrine or ephedrine in violation of this section is guilty of a Class 1 misdemeanor.