Ohio Rev. Code Ann. § 4517.52
(B) Each franchisor shall compensate each of its franchisees for labor and parts used to fulfill warranty and recall obligations of repair and servicing at rates not less than the rates charged by the franchisee to its retail customers for warranty-like labor and parts for nonwarranty work. A franchisee, other than a franchisee that deals in recreational vehicles, may establish rates of compensation for labor performed and parts used by the franchisee for purposes of this section if all of the following apply:
(1) The franchisee submits to the franchisor either of the following :
(4) In calculating the retail labor rate in division (B) (2) of this section and the retail parts markup percentage in division (B)(3) of this section, the franchisee omits charges f or any of the following from the calculation:
(C)
(D) When calculating the compensation that must be provided to a franchisee for labor and parts used to fulfill warranty and recall obligations under this section, all of the following apply: