"Affected pension fund" means a pension fund established under Article 8, 9, 10, 11, 12, or 17 that the governing body of the unit of local government has designated as an affected pension fund by adoption of a resolution or ordinance.
"Resolution or ordinance date" means the date on which the governing body of the unit of local government designates a pension fund under Article 8, 9, 10, 11, 12, or 17 as an affected pension fund by adoption of a resolution or ordinance or July 1, 2018, whichever is later.
For the purposes of this Section, "consumer price index-w" 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 Urban Wage Earners and Clerical Workers, United States city average, all items, 1982-84 = 100. The new amount resulting from each annual adjustment shall be determined by the Public Pension Division of the Department of Insurance and made available to the boards of the retirement systems and pension funds by November 1 of each year.
40 ILCS 5/1-162