Ohio Rev. Code Ann. § 3309.378

On and after the effective date of this section, any person who retired or his beneficiary , who was eligible to receive an allowance that was first payable on or after July 1, 1968 and prior to July 1, 1971, and the beneficiary of a member who died before service retirement on or after July 1, 1968 and prior to July 1, 1971, receiving an allowance or benefit pursuant to sections 3309.35, 3309.36, 3309.38, 3309.40, 3309.45, or 3309.46 of the Revised Code, shall receive an additional monthly payment of two dollars for each year between the member's effective date of retirement, disability or death and July 1, 1973.