Ohio Rev. Code § 155.04: Approved headstones at graves of soldiers.

(A) No trustee, association, corporation, or person in control of any cemetery or a public graveyard in this state shall make a rule or bylaw prohibiting the erection of headstones furnished or approved by the United States government or by the state for the graves of soldiers, sailors, and marines, who have served in the army or navy of the United States or of the state. Any rule or bylaw passed by any cemetery association or corporation, trustees, or persons, having control of any cemetery prohibiting the erection of such headstones is void.

(B) No person shall seek or attempt to enforce any rule or bylaw referred to in division (A) of this section.