Ohio Rev. Code § 4981.19
All bonds issued under sections 4981.11 to 4981.26 of the Revised Code are lawful investments of banks, societies for savings, savings and loan associations, deposit guarantee associations, trust companies, trustees, fiduciaries, insurance companies, including domestic for life and domestic not for life, trustees or other officers having charge of sinking and bond retirement or other special funds of political subdivisions and taxing districts of this state, the commissioners of the sinking fund of the state, the administrator of workers' compensation, the state teachers retirement system, the public employees retirement system, the school employees retirement system, and the Ohio police and fire pension fund, notwithstanding any other provision of the Revised Code or rules adopted pursuant thereto by any governmental agency of the state with respect to investments by them, and are acceptable as security for the deposit of public moneys.
R.C. § 4981.19