(40 ILCS 5/12-136) (from Ch. 108 1/2, par. 12-136)
    Sec. 12-136. Spouses not entitled to a surviving spouse's annuity. The following described spouses and former spouses of employees shall not have any right to a surviving spouse's annuity from the fund:
        (a) the spouse of an employee who withdraws or retires and who dies while out of
    
service, if such spouse was not the spouse of the employee while in service;
        (b) the spouse of an employee who received a refund;
        (c) the spouse of an employee who dies after withdrawal if the employee withdrew before
    
attainment of age 60 and has less than 10 years of service;
        (d) the spouse of an employee or annuitant who remarries after the death of the employee
    
or annuitant, if the spouse is under age 55 at the time of the remarriage;
        (e) the former spouse of any employee, inactive member or annuitant, regardless of the
    
date on which the marriage is dissolved.
    A spouse's annuity shall terminate upon remarriage while under age 55. Such termination shall be permanent and shall not be affected by any future change in marital status.
(Source: P.A. 86-272; 87-1265.)