Ohio Rev. Code Ann. § 3729.12

Every campsite use agreement entered into between a camp operator and a campsite user shall be in writing, shall contain the name, address, and phone number of the campsite user, and shall designate the campsite that is the subject of the agreement. The campsite use agreement also shall contain a description of the procedure for removing property from the campsite if the campsite user fails to remove all property from the campsite as required by section 3729.13 of the Revised Code.