Ohio Rev. Code § 2317.38
The report or finding mentioned in section 2317.36 of the Revised Code is not admissible unless the party offering it has given notice to the adverse party a reasonable time before trial of his intention to offer it, together with a copy of the report or finding, or so much thereof as relates to the controversy, and has afforded him a reasonable opportunity to inspect and copy any records or other documents in the offering party's possession or control, on which the report or finding was based, and also the names of all persons furnishing facts upon which the report or finding was based.
This section and sections 2317.36 and 2317.37 of the Revised Code shall be so interpreted and construed as to effectuate their general purpose to make the law of this state uniform with those states which enact similar legislation.
R.C. §2317.38