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Possible online services disruption due to Internet related outage

A worldwide technology outage is causing disruption to some State of Illinois online systems.  We are aware of this issue and are diligently working on restoration.

What’s New for Illinois Income Taxes

News – Friday, January 20, 2023

Changes for 2022 Illinois Income Tax forms and schedules for individuals and businesses, 2023 Withholding Income Tax forms and schedules, and tax preparers and software developers.

See the bulletin for details.