(40 ILCS 5/2-114) (from Ch. 108 1/2, par. 2-114)
    Sec. 2-114. Actuarial tables.
    "Actuarial tables": Tabular listings of assumed rates of death, disability, retirement and withdrawal from service and mathematical functions derived from such rates combined with an assumed rate of interest based upon the experience of the system as adopted by the board upon recommendation of the actuary.
(Source: Laws 1963, p. 161.)