(40 ILCS 5/2-115) (from Ch. 108 1/2, par. 2-115)
    Sec. 2-115. Prescribed rate of interest.
    "Prescribed rate of interest": 3% per annum compounded annually, or such other rate determined from the actual experience of the system as may be prescribed by the board.
(Source: Laws 1963, p. 161.)