Annual adjustment.
Municipal Code of Chicago § 4-5-140
in effect4-5-140 Annual adjustment.
(a) Beginning in 2026, on or before October 1 of each year, the Commissioner shall determine the percentage change in the Consumer Price Index for All Urban Consumers, US City Average (“CPI-U”) from January 2025 to January of the present year and prepare a schedule of the monetary values set forth in Sections 4-5-110 and 4-5-120 increased in proportion to any positive change in the CPI-U.
(b) The Commissioner shall round values as follows: if the original amount is less than $500.00 to the nearest increment of $5.00, and if the original amount is at least $500.00 to the nearest increment of $50.00.
(c) Schedules prepared in accordance with this section and published on the city's public website shall take effect on January 1 of the succeeding year.
(Added Coun. J. 12-19-25, p. 38125, Art. XV, § 3)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2703103Fetched: 10/24/2026