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2025 Withholding (Payroll) Tax Forms

Form
Instructions Description
IL-501   Payment Coupon and Instructions - Due Dates
IL-941 Instructions Illinois Withholding Income Tax Return - Due Dates

IL-941-X
Instructions ​Amended Illinois Withholding Income Tax Return

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, 2025 - December 31, 2025
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

  2025 Withholding Income Tax Payment and Return Due Dates