(a) Subject to the provisions of paragraph (b) of this Section, the retirement annuity for any employee who withdraws from service on or after January 1, 1983 and before January 1, 1990, at age 60 or over, having at least 4 years of service, shall be 1.70% for each of the first 10 years of service; 2.00% for each of the next 10 years of service; 2.40% for each year of service in excess of 20 but not exceeding 30; and 2.80% for each year of service in excess of 30, with a pro-rated amount for service of less than a full year, based upon the highest average annual salary for any 4 consecutive years within the last 10 years of service immediately preceding the date of withdrawal, provided that: (1) if retirement of the employee occurs below age 60, such annuity shall be reduced 1/2 of 1% for each month or fraction thereof that the employee’s age is less than 60, except that an employee retiring at age 55 or over but less than age 60, having at least 35 years of service, shall not be subject to the reduction in his retirement annuity because of retirement below age 60; (2) the annuity shall not exceed 75% of such average annual salary; (3) the actual salary shall be considered in the computation of this annuity.
     The retirement annuity for any employee who withdraws from service on or after January 1, 1990 and prior to December 31, 2003 at age 50 or over with at least 10 years of service, or at age 60 or over with at least 4 years of service, shall be 1.90% for each of the first 10 years of service, 2.20% for each of the next 10 years of service, 2.40% for each of the next 10 years of service, and 2.80% for each year of service in excess of 30, with a pro-rated amount for service of less than a full year, based upon the highest average annual salary for any 4 consecutive years within the last 10 years of service immediately preceding the date of withdrawal, provided that:

Terms Used In Illinois Compiled Statutes 40 ILCS 5/12-133

  • Annuity: A periodic (usually annual) payment of a fixed sum of money for either the life of the recipient or for a fixed number of years. A series of payments under a contract from an insurance company, a trust company, or an individual. Annuity payments are made at regular intervals over a period of more than one full year.
  • Fiscal year: The fiscal year is the accounting period for the government. For the federal government, this begins on October 1 and ends on September 30. The fiscal year is designated by the calendar year in which it ends; for example, fiscal year 2006 begins on October 1, 2005 and ends on September 30, 2006.
  • Month: means a calendar month, and the word "year" a calendar year unless otherwise expressed; and the word "year" alone, is equivalent to the expression "year of our Lord. See Illinois Compiled Statutes 5 ILCS 70/1.10

         (1) if retirement of the employee occurs below age
    
60, such annuity shall be reduced 1/4 of 1% (1/2 of 1% in the case of withdrawal from service before January 1, 1991) for each month or fraction thereof that the employee’s age is less than 60, except that an employee retiring at age 50 or over having at least 30 years of service shall not be subject to the reduction in retirement annuity because of retirement below age 60;
        (2) the annuity shall not exceed 80% of such average
    
annual salary; and
        (3) the actual salary shall be considered in the
    
computation of this annuity.
    An employee who withdraws from service on or after December 31, 2003, at age 50 or over with at least 10 years of service or at age 60 or over with at least 4 years of service, shall receive, in lieu of any other retirement annuity provided for in this Section, a retirement annuity calculated as follows: for each year of service immediately preceding the date of withdrawal, 2.40% of the highest average annual salary for any 4 consecutive years within the last 10 years of service immediately preceding the date of withdrawal, with a prorated amount for service of less than a full year, provided that:
         (1) if retirement of the employee occurs below age
    
60, such annuity shall be reduced 1/4 of 1% for each month or fraction thereof that the employee’s age is less than 60, except that an employee retiring at age 50 or over having at least 30 years of service shall not be subject to the reduction in retirement annuity because of retirement below age 60;
        (2) the annuity shall not exceed 80% of such average
    
annual salary; and
        (3) the actual salary shall be considered in the
    
computation of this annuity.
    Notwithstanding any other formula, the annuity for employees retiring on or after January 31, 2004 and on or before February 29, 2004 with at least 30 years of service shall be 80% of average annual salary for any 4 consecutive years within the last 10 years of service immediately preceding the date of withdrawal.
     (b) In lieu of the retirement annuity provided as an actuarial equivalent of the total accumulations from contributions by the employee, contributions by the employer, and prior service annuity plus regular interest, an employee in service prior to July 1, 1971 shall be entitled to the largest applicable retirement annuity provided in this Section if the same is larger than the annuity provided in other Sections of this Article.
     (c) The following schedule shall govern the computation of service for the fixed benefit annuities provided by this Section: Service during 9 months or more during any fiscal year shall constitute a year of service; 6 to 8 months, inclusive, 3/4 of a year; 3 to 5 months, inclusive, 1/2 year; less than 3 months, 1/4 of a year; 15 days or more in any month, a month of service. However, for the 6-month fiscal year July 1, 2012 through December 31, 2012, the amount of service earned shall not exceed 1/2 year.
     (d) The other provisions of this Section shall not apply in the case of any former employee who is receiving a retirement annuity from the fund and who re-enters service as an employee, unless the employee renders from and after the date of re-entry, at least 3 years of additional service.