(40 ILCS 5/12-152) (from Ch. 108 1/2, par. 12-152)
    Sec. 12-152. Contributions by employer for service annuity and widow's service annuity.
    (a) In the case of any present employee or future entrant, and for an employee of the board, the employer shall contribute for service annuity beginning August 4, 1961, 1.50 times the employee's contribution for this purpose.
    (b) For widow's service annuity, the employer shall contribute beginning August 4, 1961, in the case of any employee, 2.75 times the employee's contribution for this purpose.
    (c) For service prior to August 4, 1961, the employer's contributions for any employee shall be a percentage of salary as follows:
    For service annuity: July 1, 1919 to July 13, 1927, inclusive, 8% of salary; July 14, 1927 to July 20, 1947, inclusive, 11% of salary; July 21, 1947 to August 3, 1961, inclusive, 10% of salary.
    For widow's service annuity: July 1, 1919 to July 13, 1927, inclusive, 2% of salary; July 14, 1927 to August 3, 1961, inclusive, 2 3/4% of salary.
    In determining the amounts to be contributed by an employer on behalf of an employee for service annuity and widow's service annuity in conformity with the percentage prescribed for such annuities, the contributions to be made by the employee during any fiscal year shall be accumulated at regular interest to the end of such year, and the employer shall make his contributions plus such interest, with additional regular interest between the end of such fiscal year and the dates when contributions by the employer are made.
(Source: P.A. 77-319.)