Ohio Rev. Code § 317.25
The county recorder shall be the custodian of all records which are provided for the county and furnished under the laws of this state, providing for the registration of the graves of all persons who served in any war in which the United States had a part and who were honorably discharged from the United States army, navy, or marine or nurse corps. The recorder shall provide the necessary and proper equipment to preserve and protect such records and they shall be available for public examination at all times.
On proper request from any duly constituted and authorized veterans' organization, providing such request is made at least thirty days prior to Memorial day of each year, the recorder shall furnish such organization a list of all veterans' grave locations within the county, giving the name, section, lot, and grave number or location in the cemetery, as designated by the request.
R.C. §317.25