A member of the fund who is in the active service of a police or fire department, is not receiving a pension or benefit payment from the Ohio police and fire pension fund, and is not a participant in the deferred retirement option plan established under section 742.43 of the Revised Code shall, in computing years of active service in such department under division (C) of section 742.37 or section 742.39 of the Revised Code, be given credit for time previously served in the active full-time service of an Ohio police or fire department, provided both of the following occur:
Subject to board rules, a member may choose to purchase in any one payment only part of the credit that may be purchased under this section.
At the request of the fund, the employer shall certify to the board the dates the member was in the active service of the police or fire department.
R.C. §742.371