Indiana Code Title 7.1. Alcohol and Tobacco § 7.1-5-12-4

Sec. 4. (a) Except as provided in section 5 of this chapter, smoking is prohibited in the following:

(b) An employer shall inform each of the employer's employees and prospective employees of the smoking prohibition applying to the place of employment.

(c) An owner, operator, manager, or official in charge of a public place or place of employment shall remove ashtrays or other smoking paraphernalia from areas of the public place or place of employment where smoking is prohibited under this chapter.  However, this subsection does not prohibit the display of ashtrays or other smoking paraphernalia that are intended only for retail sale.

(d) This subsection does not apply to an owner, an operator, a manager, or an official in charge of a public place or place of employment in which smoking is allowed under section 5 of this chapter.  An owner, operator, manager, or official in charge of a public place or place of employment shall post conspicuous signs at each public entrance that read “State Law Prohibits Smoking Within 8 Feet of this Entrance” or other similar language.