Laws regulating the use of electronic cigarettes, also known as "vaping", vary across the United States.
In August 2016, a World Health Organization (WHO) report recommended that e-cigarettes be banned in indoor areas or where smoking is prohibited.
[1] This is because of their potential for non-users to be exposed to chemicals and e-cigarette aerosol in indoor areas.
Montana governor Steve Bullock announced a statewide ban on the sale of flavored vaping products.
[21] This ban will take effect on October 22, 2019, and will affect both retail in shops and online.