Limitations on acquisition of methamphetamine precursor; exception; penalties

1. Except as otherwise provided in subsection 2, a person shall not knowingly or intentionally purchase, receive or otherwise acquire: (a) During any calendar day more than 3.6 grams of ephedrine base, pseudoephedrine base or phenylpropanolamine base or the salts, optical isomers or salts of optical isomers of such chemicals in a product that is a precursor to methamphetamine; or (b) During any 30-day period, more than 9 grams of ephedrine base, pseudoephedrine base or phenylpropanolamine base or the salts, optical isomers or salts of optical isomers of such chemicals in a product that is a precursor to methamphetamine. 2. The provisions of this section do not apply if the person purchasing, receiving or otherwise acquiring a product that is a precursor to methamphetamine is a pharmacy, practitioner, retail distributor, wholesale distributor or dispenser that is purchasing, receiving or otherwise acquiring the product for the purpose of administering, distributing or dispensing it in a lawful manner. 3. A person who violates any of the provisions of this section is guilty of a misdemeanor, except that: (a) If the person violates any of the provisions of this section after a prior conviction under this chapter or the law of the United States or of any state, territory or district relating to a controlled substance has become final, the person is guilty of a gross misdemeanor; and (b) If the person violates any of the provisions of this section after two or more prior convictions under this chapter or the law of the United States or of any state, territory or district relating to a controlled substance, or a combination of two or more such prior convictions, have become final, the person is guilty of a category D felony and shall be punished as provided in NRS 193.130.