Illinois - W2 State Filing Requirements
3.6k views | Last modified 10/17/2022 2:11:30 AM EST | Added by TaxBandits Team

Applicable To
94X 1099 W-2 ACA W-4

The Illinois Department of Revenue mandates the filing of the W2 Forms only if there is a state  tax withholding. TaxBandits supports the filing of Form W-2 with both the Federal and State of Illinois.

What to be filed

Form W-2 - Wage and Tax Statements
Form IL-941 - Withholding Income Tax Return

Due Date

The filing due date for both Form W2 and IL-941 with Illinois is January 31.


The penalty of $250 or 2% of your unpaid taxes will be imposed on you for each Form W2 not filed on time with the state of Illinois.

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