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40 ILCS 5/8-174

    (40 ILCS 5/8-174) (from Ch. 108 1/2, par. 8-174)
    Sec. 8-174. Contributions for age and service annuities for present employees and future entrants.
    (a) Beginning on the effective date and prior to July 1, 1947, 3 1/4%; and beginning on July 1, 1947 and prior to July 1, 1953, 5%; and beginning July 1, 1953, and prior to January 1, 1972, 6%; and beginning January 1, 1972, 6-1/2% of each payment of the salary of each present employee and future entrant, except as provided in subsection (a-5) and (a-10), shall be contributed to the fund as a deduction from salary for age and service annuity.
    (a-5) Except as provided in subsection (a-10), for an employee who on or after January 1, 2011 and prior to the effective date of this amendatory Act of the 100th General Assembly first became a member or participant under this Article and made the election under item (i) of subsection (d-10) of Section 1-160: prior to the effective date of this amendatory Act of the 100th General Assembly, 6.5%; and beginning on the effective date of this amendatory Act of the 100th General Assembly and prior to January 1, 2018, 7.5%; and beginning January 1, 2018 and prior to January 1, 2019, 8.5%; and beginning January 1, 2019 and thereafter, employee contributions for those employees who made the election under item (i) of subsection (d-10) of Section 1-160 shall be the lesser of: (i) the total normal cost, calculated using the entry age normal actuarial method, projected for that fiscal year for the benefits and expenses of the plan of benefits applicable to those members and participants who first became members or participants on or after the effective date of this amendatory Act of the 100th General Assembly and to those employees who made the election under item (i) of subsection (d-10) of Section 1-160, but not less than 6.5% of each payment of salary combined with the employee contributions provided for in subsection (b) of Section 8-137 and Section 8-182 of this Article; or (ii) the aggregate employee contribution consisting of 9.5% of each payment of salary combined with the employee contributions provided for in subsection (b) of Section 8-137 and 8-182 of this Article.
    Beginning with the first pay period on or after the date when the funded ratio of the fund is first determined to have reached the 90% funding goal, and each pay period thereafter for as long as the fund maintains a funding ratio of 75% or more, employee contributions for age and service annuity for those employees who made the election under item (i) of subsection (d-10) of Section 1-160 shall be 5.5% of each payment of salary. If the funding ratio falls below 75%, then employee contributions for age and service annuity for those employees who made the election under item (i) of subsection (d-10) shall revert to the lesser of: (A) the total normal cost, calculated using the entry age normal actuarial method, projected for that fiscal year for the benefits and expenses of the plan of benefits applicable to those members and participants who first became members or participants on or after the effective date of this amendatory Act of the 100th General Assembly and to those employees who made the election under item (i) of subsection (d-10) of Section 1-160, but not less than 6.5% of each payment of salary combined with the employee contributions provided for in subsection (b) of Section 8-137 and Section 8-182 of this Article; or (B) the aggregate employee contribution consisting of 9.5% of each payment of salary combined with the employee contributions provided for in subsection (b) of Section 8-137 and 8-182 of this Article. If the fund once again is determined to have reached a funding ratio of 75%, the 5.5% of salary contribution for age and service annuity shall resume. An employee who made the election under item (ii) of subsection (d-10) of Section 1-160 shall continue to have the contributions for age and service annuity determined under subsection (a) of this Section.
    If contributions are reduced to less than the aggregate employee contribution described in item (ii) or item (B) of this subsection due to application of the normal cost criterion, the employee contribution amount shall be consistent from July 1 of the fiscal year through June 30 of that fiscal year.
    The normal cost, for the purposes of this subsection (a-5) and subsection (a-10), shall be calculated by an independent enrolled actuary mutually agreed upon by the fund and the City. The fees and expenses of the independent actuary shall be the responsibility of the City. For purposes of this subsection (a-5), the fund and the City shall both be considered to be the clients of the actuary, and the actuary shall utilize participant data and actuarial standards to calculate the normal cost. The fund shall provide information that the actuary requests in order to calculate the applicable normal cost.
    (a-10) For each employee who on or after the effective date of this amendatory Act of the 100th General Assembly first becomes a member or participant under this Article, 9.5% of each payment of salary shall be contributed to the fund as a deduction from salary for age and service annuity. Beginning January 1, 2018 and each year thereafter, employee contributions for each employee subject to this subsection (a-10) shall be the lesser of: (i) the total normal cost, calculated using the entry age normal actuarial method, projected for that fiscal year for the benefits and expenses of the plan of benefits applicable to those members and participants who first become members or participants on or after the effective date of this amendatory Act of the 100th General Assembly and to those employees who made the election under item (i) of subsection (d-10) of Section 1-160, but not less than 6.5% of each payment of salary combined with the employee contributions provided for in subsection (b) of Section 8-137 and Section 8-182 of this Article; or (ii) the aggregate employee contribution consisting of 9.5% of each payment of salary combined with the employee contributions provided for in subsection (b) of Section 8-137 and Section 8-182 of this Article.
    Beginning with the first pay period on or after the date when the funded ratio of the fund is first determined to have reached the 90% funding goal, and each pay period thereafter for as long as the fund maintains a funding ratio of 75% or more, employee contributions for age and service annuity for each employee subject to this subsection (a-10) shall be 5.5% of each payment of salary. If the funding ratio falls below 75%, then employee contributions for age and service annuity for each employee subject to this subsection (a-10) shall revert to the lesser of: (A) the total normal cost, calculated using the entry age normal actuarial method, projected for that fiscal year for the benefits and expenses of the plan of benefits applicable to those members and participants who first become members or participants on or after the effective date of this amendatory Act of the 100th General Assembly and to those employees who made the election under item (i) of subsection (d-10) of Section 1-160, but not less than 6.5% of each payment of salary combined with the employee contributions provided for in subsection (b) of Section 8-137 and Section 8-182 of this Article; or (B) the aggregate employee contribution consisting of 9.5% of each payment of salary combined with the employee contributions provided for in subsection (b) of Section 8-137 and Section 8-182 of this Article. If the fund once again is determined to have reached a funding ratio of 75%, the 5.5% of salary contribution for age and service annuity shall resume.
    If contributions are reduced to less than the aggregate employee contribution described in item (ii) or item (B) of this subsection (a-10) due to application of the normal cost criterion, the employee contribution amount shall be consistent from July 1 of the fiscal year through June 30 of that fiscal year.
    Such deductions beginning on the effective date and prior to July 1, 1947 shall be made for a future entrant while he is in the service until he attains age 65 and for a present employee while he is in the service until the amount so deducted from his salary with the amount deducted from his salary or paid by him according to law to any municipal pension fund in force on the effective date with interest on both such amounts at 4% per annum equals the sum that would have been to his credit from sums deducted from his salary if deductions at the rate herein stated had been made during his entire service until he attained age 65 with interest at 4% per annum for the period subsequent to his attainment of age 65. Such deductions beginning July 1, 1947 shall be made and continued for employees while in the service.
    (b) (Blank).
    (c) Each employee contribution made prior to the date the age and service annuity for an employee is fixed and each corresponding city contribution shall be credited to the employee and allocated to the account of the employee for whose benefit it is made.
    (d) Notwithstanding Section 1-103.1, the changes to this Section made by this amendatory Act of the 100th General Assembly apply regardless of whether the employee was in active service on or after the effective date of this amendatory Act of the 100th General Assembly.
(Source: P.A. 100-23, eff. 7-6-17.)