(E) If a member makes a payment under division (C) of this section, the employer to which workers' compensation benefits are attributed shall pay to the system for credit to the employers' accumulation fund an amount equal to the employer contribution required under section 145.48 or 145.49 of the Revised Code corresponding to that payment that would have been paid had the member not been out of service based on the salary of the member before the member was out of service. Compound interest at a rate established by the board from the later of the member's date of re-employment or January 7, 2013, to the date of payment shall be added to this amount if the employer pays all or any portion of the amount after the end of the earlier of the following:
(1) A period of five years;(2) A period that is three times the period during which the member was out of service and receiving workers' compensation. The period described in division (E)(1) or (2) of this section begins with the later of the member's date of re-employment or January 7, 2013.