Ohio Rev. Code Ann. § 133.25
(B) If the taxing authority determines it to be necessary or appropriate, and if not prohibited by other law, legislation relating to Chapter 133. securities may, or that legislation may provide for proceedings that may, contain or provide for any one or more or combination of the following:
(3) Covenants of the subdivision and other provisions to protect and safeguard the security and rights of the holders of the securities and of the providers of any credit enhancement facilities and provisions for defeasance, including, without limiting the generality of the foregoing, such covenants and provisions as to:
(4) As rights and remedies of the holders of securities, in addition to any other rights and remedies under law, but subject to the terms of the legislation and of any credit enhancement facility, provision that if the subdivision defaults in the payment of debt charges on the securities and such default continues for a period of thirty days, or if the subdivision fails or refuses to comply with the requirements of this chapter or the applicable proceedings, or defaults in any contract made with the holders of those securities, the holders of not less than twenty-five per cent in principal amount of the outstanding securities of that issue may appoint a trustee, who may be the fiscal agent, to represent those holders for the purposes provided in this division (B)(4). That trustee may, and upon written request of the holders of not less than twenty-five per cent in principal amount of those securities then outstanding shall, in its own name exercise all or any of the powers of such holders under division (B)(3) of this section and in addition may:
(C) Unless otherwise provided in the proceedings, the holders of not less than ten per cent in principal amount of the particular securities at the time outstanding, whether or not then due and payable or reduced to judgment and either on their own behalf or on behalf of all persons similarly situated, may: