2020 Withholding (Payroll) Tax Forms

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NameDescription
IL-501
 Payment Coupon and Instructions
IL-941
InstructionsIllinois Withholding Income Tax Return   (IL-941 Instructions updated 4/22/20)
IL-941-X Instructions Amended Illinois Withholding Income Tax Return   
Schedule P CSV Instructions
Illinois Withholding Payroll Schedule   (CSV Instructions updated 4/22/20) 
​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 - effective January 1, 2020 - December 31, 2020
IL-5754  
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
​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
​Pub-131-D

​Withholding Income Tax Payment and Return Due Dates