(40 ILCS 5/17-156) (from Ch. 108 1/2, par. 17-156)
    Sec. 17-156. Retired Teachers Supplementary Payment Fund.) A fund to be known as the Retired Teachers Supplementary Payment Fund shall be established for the purpose of making the supplementary payments for service and disability retirement under Section 17-154.
    1. This fund shall be credited with:
        (a) the contributions made by retired persons to
    
establish their right to the supplementary payment;
        (b) amounts appropriated by the State of Illinois for
    
the purpose of providing for the supplementary payment;
        (c) any interest accruing to this fund.
    2. This fund shall be charged with all supplementary payments as they are made.
    3. All supplementary payments shall be paid in the order that the payments become due and payable from the Retired Teachers Supplementary Payment Fund. In the event that the moneys in the fund are insufficient to make full supplementary payments to all persons entitled thereto, a proportionate amount, determined by the ratio of the moneys available in the fund to the total supplementary payments then due, shall be payable. Thereafter supplementary payments shall cease and shall not be resumed until further funds are made available for this purpose through appropriation by the State of Illinois. After all supplementary payments to all persons entitled thereto have been completed, any remaining moneys in this fund shall be transferred to the Public School Teachers' Pension and Retirement Fund established by this Article; provided that, notwithstanding any provision of law to the contrary, in the event such a transfer shall have been made in prior biennia, and there is insufficient moneys available in the supplementary payment fund to make full statutory payments to persons entitled thereto in the current biennium, the Public School Teachers' Pension and Retirement Fund established by this Article may transfer back to the supplemental payment fund moneys in an amount not exceeding the amount so transferred to it at the close of prior biennia.
    4. Supplementary payments shall be suspended while the recipient is employed by the City in which the fund exists, by any other municipal corporation coterminous with the City or by any public school or charter school in this State, unless the recipient is so employed temporarily as a substitute teacher for 100 days or less in a school year or on an hourly basis with earnings not in excess of the sum payable for 100 days' substitute service.
    5. The Retired Teachers Supplementary Payment Fund shall be held and administered by the Public School Teachers' Pension and Retirement Fund established by this Article.
(Source: P.A. 90-566, eff. 1-2-98.)