Ohio Rev. Code Ann. § 3743.25
(A)
(B) All wholesale sales of fireworks by a licensed manufacturer or wholesaler shall only occur from a licensed premises to persons who intend to resell the fireworks purchased at wholesale. A wholesale sale by a licensed manufacturer or wholesaler may occur as follows:
(C) A licensed manufacturer or wholesaler shall only sell 1.4G fireworks from a representative sample showroom or a retail sales showroom. Each licensed premises shall only contain one sales structure. A representative sample showroom shall consist of a structure constructed and maintained in accordance with the nonresidential building code adopted under Chapter 3781. of the Revised Code and the fire code adopted under section 3737.82 of the Revised Code for a use and occupancy group that permits mercantile sales. A representative sample showroom shall not contain any pyrotechnics, pyrotechnic materials, fireworks, explosives, explosive materials, or any similar hazardous materials or substances. A representative sample showroom shall be used only for the public viewing of fireworks product representations, including paper materials, packaging materials, catalogs, photographs, or other similar product depictions. The delivery of product to a purchaser of fireworks at a licensed premises that has a representative sample structure shall not occur inside any structure on a licensed premises. Such product delivery shall occur on the licensed premises in a manner prescribed by rules adopted by the state fire marshal pursuant to Chapter 119. of the Revised Code. If a manufacturer or wholesaler elects to conduct sales from a retail sales showroom, the showroom structures, to which the public may have any access and in which employees are required to work, on all licensed premises, shall comply with the following safety requirements: