Measures to prevent smoking in nonsmoking areas

The state or local governmental agency or the person who owns or operates a public place shall, at a minimum, do the following in order to prevent tobacco or marijuana smoking or marijuana vaping in public places: 1. Post conspicuous signs at entrances to and in prominent locations within places where tobacco or marijuana smoking or marijuana vaping is prohibited which state that tobacco or marijuana smoking or marijuana vaping is prohibited or that the indoor environment is free of tobacco or marijuana smoke or marijuana vapor; and 2. Ask tobacco or marijuana smokers or marijuana vapers to refrain from smoking upon observation of anyone violating the provisions of Section 1-1521 et seq. of this title.