(1) This article shall not apply to:
(a) Cigarettes allowed to be imported or brought into the United States for personal use; and
(b) Cigarettes sold or intended to be sold as duty-free merchandise by a duty-free sales enterprise in accordance with the provisions of 19 USCS 1555(b) and any implementing regulations; provided, however, that this article shall apply to any such cigarettes that are brought back into the customs territory for resale within the customs territory.
(2) The penalties provided in this article are in addition to any other penalties imposed under other law.