(40 ILCS 5/18-112.2) (from Ch. 108 1/2, par. 18-112.2)
    Sec. 18-112.2. Transfer of creditable service to Article 8, 9 or 13 Fund.
    (a) Any city officer as defined in Section 8-243.2 of this Code, any county officer elected by vote of the people who is a participant in the pension fund established under Article 9 of this Code, and any elected sanitary district commissioner who is a participant in a pension fund established under Article 13 of this Code, may apply for transfer of his or her credits and creditable service accumulated under this System to such Article 8, 9 or 13 fund. Such creditable service shall be transferred forthwith. Payment by this System to the Article 8, 9 or 13 fund shall be made at the same time, and shall consist of:
        (1) the amounts credited to the applicant through employee contributions, including
    
interest if applicable, on the date of transfer; and
        (2) employer contributions equal to the accumulated employee contributions as determined
    
under clause (1) above.
    Participation in this System shall terminate on the date of transfer.
    (b) Any such elected city officer, county officer or sanitary district commissioner may reinstate credits and creditable service terminated upon receipt of a refund, by repaying to the System the amount of the refund together with interest thereon to the date of payment.
(Source: P.A. 91-357, eff. 7-29-99.)