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

The 2020 forms will be available soon.
 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
​Withholding Income Tax Credits

​Schedule WC-I
​Withholding Income Tax Credits Information and Worksheets
Illinois Withholding Tax Tables Booklet - effective January 1, 2020 - December 31, 2020
Statement by Person Receiving Gambling Winnings
IL-W-4  Employee's Illinois Withholding Allowance Certificate
IL-W-5  Certificate of Residence in Illinois
IL-W-5-NR  Employee's Statement of Nonresidence in Illinois

​Withholding Income Tax Payment and Return Due Dates