Ohio Revised Code Title XXXVII. Health Safety Morals § 3794.02

(A) No proprietor of a public place or place of employment, except as permitted in section 3794.03 of this chapter, shall permit smoking in the public place or place of employment or in the areas directly or indirectly under the control of the proprietor immediately adjacent to locations of ingress or egress to the public place or place of employment.

(B) A proprietor of a public place or place of employment shall ensure that tobacco smoke does not enter any area in which smoking is prohibited under this chapter through entrances, windows, ventilation systems, or other means.

(C) No person or employer shall discharge, refuse to hire, or in any manner retaliate against an individual for exercising any right, including reporting a violation, or performing any obligation under this chapter.

(D) No person shall refuse to immediately discontinue smoking in a public place, place of employment, or establishment, facility or outdoor area declared nonsmoking under section 3794.05 of this chapter when requested to do so by the proprietor or any employee of an employer of the public place, place of employment or establishment, facility or outdoor area.

(E) Lack of intent to violate a provision of this chapter shall not be a defense to a violation.