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

NameDescription
IL-501
 Payment Coupon and Instructions
IL-941
InstructionsIllinois 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