Illinois Department of Revenue

01/02/2025 | Press release | Distributed by Public on 01/02/2025 11:19

FY 2025-16, What's New for Illinois Income Taxes

Changes for 2024 Illinois Income Tax forms and schedules for individuals and businesses, 2025 Withholding Income Tax forms and schedules, and tax preparers and software developers.

See FY Bulletin 2025-16, What's New for Illinois Income Taxes for more information.