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Scam Alert: Fake Texts and Websites Impersonating IDOR

Be alert for fraudulent messages or websites attempting to steal your banking information, login credentials, or credit card details. The Illinois Department of Revenue (IDOR) will never request personal or financial information via text message. To confirm official communications or contact details, always visit https://tax.illinois.gov.

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2021 Withholding (Payroll) Tax Forms

Click here to file your IL-941 return or pay your IL-501 in MyTax Illinois
Click here for information about filing your W-2s and 1099s

Name
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 Description
IL-501
   Payment Coupon and Instructions
IL-941 Instructions
 Illinois Withholding Income Tax Return
IL-941-X Instructions Amended Illinois Withholding Income Tax Return
Schedule P CSV Instructions Illinois Withholding Payroll Schedule
Schedule WC
 Instructions
 Withholding Income Tax Credits
Schedule WC-I
   Withholding Income Tax Credits Information and Worksheets
IL-700-T
   Illinois Withholding Tax Tables Booklet
IL-W-6
   Certificate of Days Worked in Illinois for Non-Residents
IL-W-6-WS
   Worksheet to Report Days Worked in Illinois for Non-Residents