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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