Ohio Rev. Code Ann. § 5311.191
(A) No declaration, bylaw, rule, regulation, or agreement of a condominium property or construction of any of these items by the board of managers of its unit owners association shall prohibit the placement of a flagpole that is to be used for the purpose of displaying, or shall prohibit the display of, the flag of the United States on or within the limited common areas and facilities of a unit owner or on the immediately adjacent exterior of the building in which the unit of a unit owner is located, if the flag is displayed in accordance with any of the following: