Code of Alabama
Chapter 15A - Alabama Clean Indoor Air Act.
Section 22-15A-7 - Posting of "No Smoking" and "Smoking Area" Signs; Violations of Chapter.

(a) A "No Smoking" sign or signs, or the international "No Smoking" symbol, which consists of a pictorial representation of a burning cigarette enclosed in a circle with a bar across, shall be prominently posted and properly maintained where smoking is prohibited by this chapter, by the owner, operator, manager, or other person in charge of the facility. "Smoking Area" signs shall also be posted as appropriate in public places.
(b) The person(s) in charge of a public place who observes a person in possession of a lighted tobacco product in apparent violation of this chapter shall inform that person that smoking is not permitted in that area by law.