(40 ILCS 5/15-113.10) (from Ch. 108 1/2, par. 15-113.10)
    Sec. 15-113.10. 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, any chief of the County Police Department or undersheriff of the County Sheriff's Department who has elected under subparagraph (j) of Section 9-128.1 to be included within the provisions of Section 9-128.1 of 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 to transfer 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 accumulated to the credit of the
    
applicant through employee contribution, including interest, as of the date of transfer; and
        (2) employer contributions equal in amount to the
    
accumulated employee contributions as determined in item (1) above.
Participation in this System shall terminate on the date of transfer.
    (b) Any such elected city officer, county officer, chief of the County Police Department, undersheriff of the County Sheriff's Department, or sanitary district commissioner may reinstate credits and creditable service terminated upon receipt of a refund, by payment to the System of the amount of the refund together with interest at the rate required for repayment of a refund under Section 15-154 from the date the refund was received to the date of payment.
    (c) Any such elected city officer, county officer, chief of the County Police Department, undersheriff of the County Sheriff's Department, or sanitary district commissioner who has credits and creditable service under the System may establish additional credits and creditable service for periods during which he or she could have elected to participate but did not so elect. Credits and creditable service may be established by payment to the System of an amount equal to the contributions that he or she would have made if he or she had elected to participate, plus regular interest to the date of payment.
(Source: P.A. 89-643, eff. 8-9-96.)