Illinois Statutes Chapter 40. Pensions § 5/9-121.18. Transfer to Article 5

(a) Any active member of Article 5 of this Code may apply for transfer of some or all of his creditable service as a correctional officer with the county department of corrections accumulated under this Article to the Article 5 Fund in accordance with paragraph (b) of Section 5-234. At the time of the transfer the Fund shall pay to the Article 5 Fund an amount equal to:

Participation in this Fund with respect to the credits transferred shall terminate on the date of transfer.

(b) Any person applying to transfer service under this Section may reinstate credit for service as a member of the county department of corrections that was terminated by receipt of a refund, by paying to the Fund the amount of the refund with interest thereon at the actuarially assumed rate, compounded annually, from the date of refund to the date of payment.