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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.

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Reminder: April 18 Filing Deadline is Quickly Approaching

News – Wednesday, April 5, 2023

The Illinois Department of Revenue (IDOR) is reminding taxpayers that the upcoming deadline for filing 2022 state individual income tax returns is Tuesday, April 18, 2023.

See the full Press Release for more details.

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