The sums so credited shall provide for annuities to be fixed and granted in the future. Contributions by the employees and the city for the purposes of this Article shall be made, and when the proper time arrives, as provided in this Article, new annuities based upon the total credit for annuity purposes and the entire term of his service shall be fixed for the employee and his wife.
If the employee's wife died before he re-entered service, no part of any credits for widow's or widow's prior service annuity at the time annuity for his wife was fixed shall be credited upon re-entry into service, and no such sums shall thereafter be used to provide such annuity.
40 ILCS 5/8-165