(40 ILCS 5/18-117) (from Ch. 108 1/2, par. 18-117)
    Sec. 18-117. Prescribed rate of interest. "Prescribed rate of interest": 4% per annum compounded annually, or such other rate prescribed by the board based on expected long term investment returns and the experience of the system.
(Source: P.A. 83-1440.)