40 ILCS 5/11-174

Contributions for widow's annuity for widows of present employees, future entrants and re-entrants.

(a) Beginning on the effective date, 1%, and from and after January 1, 1966, 1 1/2%, of each payment of salary, shall be contributed by each male employee for widow's annuity as a deduction from salary. Deductions shall be continued during service until the employee attains age 65.

(b) Concurrently with each employee contribution, the city shall contribute beginning on the effective date and prior to July 1, 1947, 1 3/4%; and beginning July 1, 1947, 2% of salary.

(c) Each employee contribution made prior to the date when the amount of widow's annuity is fixed and each corresponding city contribution shall be allocated to the account of and credited to the employee for whose benefit it is made.