A new Kentucky law requiring smoke shops to obtain updated retail licenses takes effect Jan. 1, marking a significant step in efforts to prevent youth vaping across the state. Details below. New vape laws in effect for Tennessee and Virginia Vaping Laws in New York Flavor Ban, Age 21 & Tax Guide Ecigator Starting Sept. 1, a new Arkansas law will place tighter limits on what kinds of vape and tobacco products can be sold in stores and how they can be advertised.