Ohio Rev. Code § 4905.59
If the public utilities commission, the officer requested by it, or a village solicitor or city director of law, when the cause of action arises in a municipal corporation, fails to prosecute a civil action for forfeiture against a railroad or an officer, agent, or employee thereof as provided by law, the prosecuting attorney of the county in which a cause of action for forfeiture arises, upon the request of any taxpayer of the county, shall bring such action if the prosecuting attorney is furnished with evidence that in the prosecuting attorney's judgment will sustain it. If the action fails, the costs of the action shall be adjudged against the county.
If a cause of action for forfeiture arises within a municipal corporation, and the commission, the officer requested by it, or the prosecuting attorney, fails to prosecute such action, the village solicitor or city director of law of the municipal corporation, when required by resolution of the legislative authority, shall institute the action and prosecute it to final judgment. If the action fails, the cost of the action shall be adjudged against the municipal corporation. The time for notice of appeal and giving a bond does not apply to cases within the meaning of this section.
R.C. § 4905.59