Ohio Rev. Code Ann. § 4905.09

A substantial compliance by the public utilities commission with the requirements of Chapters 4901., 4903., 4905., 4907., 4909., 4921., 4923., and 4927. of the Revised Code is sufficient to give effect to all its rules and orders. Those rules and orders shall not be declared inoperative, illegal, or void for an omission of a technical nature. And, those chapters do not affect, modify, or repeal any law fixing the rate that a company operating a railroad may demand and receive for the transportation of passengers.