In those cases in which the retired employee receiving annuity has attained the age of 66 or more years in the year 1969, he shall have such annuity increased in January of the year 1970 by an amount equal to 1 1/2% multiplied by the number equal to the number of months of January elapsing from and including January of the year immediately following the year he attained the age of 65 years if retired at or prior to age 65, or from and including January of the year immediately following the year of retirement if retired at an age greater than 65 years, to and including January of the year 1970, and by an equal additional 1 1/2% in January of each year thereafter. Beginning with January of the year 1972, such increases shall be at the rate of 2% in lieu of the aforesaid specified 1 1/2%. Beginning January, 1984, such increases shall be at the rate of 3%. Beginning in January of 1999, such increases shall be at the rate of 3% of the currently payable monthly annuity, including any increases previously granted under this Article.
In the event the monies in the Supplementary Payment Reserve in any year arising from: (1) the available interest income as defined hereinbefore and accruing in the preceding year above 4% a year and (2) the contributions by retired persons, as set forth hereinbefore, are insufficient to make the total payments to all persons estimated to be entitled to the annuity increases specified hereinbefore, then (3) any interest earnings over 4% a year beginning with the year 1969 which were not previously used to finance such increases and which were transferred to the Prior Service Annuity Reserve may be used to the extent necessary and available to provide sufficient funds to finance such increases for the current year, and such sums shall be transferred from the Prior Service Annuity Reserve.
In the event the total monies available in the Supplementary Payment Reserve from the preceding indicated sources are insufficient to make the total payments to all persons entitled to such increases for the year, a proportionate amount computed as the ratio of the monies available to the total of the total payments for that year shall be paid to each person for that year.
The Fund shall be obligated for the payment of the increases in annuity as provided for in this Section only to the extent that the assets for such purpose, as specified herein, are available.
For the purposes of this Section, "consumer price index-u" means the index published by the Bureau of Labor Statistics of the United States Department of Labor that measures the average change in prices of goods and services purchased by all urban consumers, United States city average, all items, 1982-84 = 100.
Beginning January 1, 2015, for a person who is eligible under this subdivision (3) to receive a minimum annual increase in the year 2017, 2019, or 2025, the annual increase shall be 1% of the person's last annual annuity amount prior to January 1, 2015.
Beginning January 1, 2015, for any other year in which a person is eligible under this subdivision (3) to receive a minimum annual increase, the annual increase shall be as specified under subdivision (2), but not less than 1% of the person's last annual annuity amount prior to January 1, 2015.
For the purposes of Section 1-103.1, this subsection (b-5) is applicable without regard to whether the employee was in active service on or after the effective date of this amendatory Act of the 98th General Assembly. This subsection (b-5) applies to any former employee who on or after the effective date of this amendatory Act of the 98th General Assembly is receiving a retirement annuity and is eligible for an automatic annual increase under this Section.
40 ILCS 5/11-134.3