Effective January 1, 2018 the use of tobacco products is prohibited on the grounds of any venue while hosting PDGA Majors (https://discussion.pdga.com/majors), National Tours (https://discussion.pdga.com/nt), and any lower tier events run concurrently with a National Tour event.* This prohibition includes the entire event (check-in, player meeting, competition rounds, periods before and after the rounds, awards ceremony, etc.) and includes all smoking and chewing tobacco products as well as electronic/vapor cigarettes (vaping).






More... (https://www.pdga.com/announcements/2018-pdga-tobacco-policy-update)