State of Illinois
12/23/2025 | Press release | Distributed by Public on 12/23/2025 11:32
Informational Bulletin FY 2026-15, What’s New for Illinois Income Taxes
Informational Bulletin FY 2026-15, What's New for Illinois Income Taxes
News - Tuesday, December 23, 2025
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Changes for 2025 Illinois Income Tax forms and schedules for individuals and businesses, 2026 Withholding Income Tax forms and schedules, and tax preparers and software developers.
See Informational Bulletin FY 2026-15, What's New for Illinois Income Taxes, for more information.
State of Illinois published this content on December 23, 2025, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on December 23, 2025 at 17:32 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]