Ohio Rev. Code Ann. § 4517.22
(A) Any group of licensed new motor vehicle dealers may display motor vehicles at a motor vehicle show within the general market area allocated to a licensed new motor vehicle dealer, whenever all of the following conditions are met:
(I) Notwithstanding division (B) of this section, contracts may be signed, deposits taken, and sales consummated at the location of a motor vehicle show where the motor vehicles involved are horse trailers or towing vehicles that are trucks and have a gross vehicle weight of more than three-quarters of a ton, the motor vehicle show is being held as part of or in connection with a major livestock show, the licensed new motor vehicle dealers involved have complied with the applicable requirements of this section, and the registrar has granted permission for the motor vehicle show in accordance with division (E) of this section. As used in this division: