Ohio Rev. Code Ann. § 3385.04
(A) Unless there is a written loan agreement to the contrary, a museum may apply conservation measures to property on loan to the museum without notice to the owner or the owner's permission, if such measures are necessary to protect the property on loan or other property in the custody of the museum or if the property on loan is a hazard to the health and safety of the museum staff or the public, and if either of the following applies:
(B) If a museum applies conservation measures in accordance with division (A) of this section or with the agreement of the owner, both of the following apply:
(2) The museum is not liable for injury to or loss of the property, if the museum did both of the following: