Kentucky shops, hemp association sue over new anti vaping law Kentucky smoke shops must obtain new licenses as new law takes effect Kentucky smoke shops must obtain new licenses as tobacco retail law takes effect Blowback over new KY vaping law prompts lawmaker to file a repeal 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. Kentucky teens' use of electronic cigarettes and vapes doubled from 2016 to 2018, and is higher than national rates, survey finds Kentucky Health News