The provisions of the Cigarette Enforcement Act do not apply to:
A. cigarettes allowed to be imported or brought into the United States for personal use free of federal tax or duty or voluntarily abandoned to the federal secretary of the treasury at the time of entry; 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 USCA 1555(b) and implementing regulations, but if the cigarettes are brought back in customs territory for resale within the customs territory, the provisions of that act apply.