Okla. Stat. tit. 63, § 63-1-1525: 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.