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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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2020 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 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