Ohio Rev. Code § 3309.48
Any employee who left the service of an employer after attaining age sixty-five or over and such employer had failed or refused to deduct and transmit to the school employees retirement system the employee contributions as required by section 3309.47 of the Revised Code during any year for which membership was compulsory as determined by the school employees retirement board, shall be granted service credit without cost, which shall be considered as total service credit for the purposes of meeting the qualifications for service retirement provided by the law in effect on and retroactive to the first eligible retirement date following the date such employment terminated, but shall not be paid until formal application for such allowance on a form provided by the retirement board is received in the office of the retirement system. The total service credit granted under this section shall not exceed ten years for any such employee.
The liability incurred by the retirement board because of the service credit granted under this section shall be determined by the retirement board, the cost of which shall be equal to an amount that is determined by applying the combined employee and employer rates of contribution against the compensation of such employee at the rates of contribution and maximum salary provisions in effect during such employment for each year for which credit is granted, together with interest at the rate to be credited accumulated contributions at retirement, compounded annually from the first day of the month payment was due the retirement system to and including the month of deposit, the total amount of which shall be collected from the employer. Such amounts shall be certified by the retirement board to the department of education and workforce, which shall deduct the amount due the system from any funds due the affected school district under Chapter 3317. of the Revised Code. The department shall certify to the director of budget and management the amount due the system for payment. The total amount paid shall be deposited into the employers' trust fund, and shall not be considered as accumulated contributions of the employee in the event of the employee's death or withdrawal of funds.
R.C. § 3309.48