Ohio Rev. Code § 6121.09
Any holder of water development revenue bonds issued under Chapter 6121. of the Revised Code, or any of the coupons appertaining thereto, and the trustee under any trust agreement, except to the extent the rights given by such sections may be restricted by the applicable resolution or such trust agreement, may by suit, action, mandamus, or other proceedings, protect and enforce any rights under the laws of the state or granted under such sections, trust agreement, or the resolution authorizing the issuance of such bonds, and may enforce and compel the performance of all duties required by such sections, or by the trust agreement or resolution, to be performed by the Ohio water development authority or any officer thereof, including the fixing, charging, and collecting of rentals or other charges.
R.C. § 6121.09