Ohio Rev. Code Ann. § 742.211
(A) Service credit and contributions for full-time service may be transferred between the fund and the Cincinnati retirement system as specified in sections 742.212 and 742.213 of the Revised Code if both of the following conditions are met:
(2) The Ohio police and fire pension fund and Cincinnati retirement system, through their boards of trustees, enter into an agreement governing the transfers that is consistent with the requirements of sections 742.212 and 742.213 of the Revised Code and includes both of the following:
(C)
(1) The Ohio police and fire pension fund, through its board of trustees, and the Cincinnati retirement system, acting pursuant to the authority granted it by the Cincinnati city council, may do either of the following: