Ohio Rev. Code Ann. § 1517.26
(A) Owners and, if the owner has leased the land, the lessee, are not liable for injuries, death, or loss sustained by any permittee on their land if no charge has been made. By granting permission for entry, the owner or lessee does not:
(B) This section does not limit the liability which otherwise exists for injury, death, or loss to persons or property caused by an act or omission of the owner or lessee as follows: