Ohio Rev. Code Ann. § 742.515
(B) A full-time firefighter who, on November 8, 1990, is a member of the public employees retirement system, in the employ of a fire department employer, and in a position in which the firefighter is required to satisfactorily complete or have satisfactorily completed a firefighter training course approved under former section 3303.07 or section 4765.55 or conducted under section 3737.33 of the Revised Code may, by giving notice to the Ohio police and fire pension fund within ninety days of November 8, 1990, elect to transfer to the fund. When a firefighter makes such an election, the Ohio police and fire pension fund shall notify the public employees retirement system. All of the firefighter's credit as a full-time firefighter shall be transferred to the Ohio police and fire pension fund. The public employees retirement system shall certify to the Ohio police and fire pension fund a copy of the firefighter's records of service and contributions and for each year or portion of a year of credit to be transferred shall transfer to the Ohio police and fire pension fund all of the following: