Ohio Rev. Code Ann. § 1345.81
(A) As used in this section:
(B) Any insurer who provides an estimate for the repair of a motor vehicle based in whole or in part upon the use of any non-OEM aftermarket crash part in the repair of the motor vehicle and any repair facility or installer who intends to use a non-OEM aftermarket crash part in the repair of a motor vehicle shall comply with the following provisions, as applicable: