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2026 Withholding (Payroll) Tax Forms
Which form should I use?
Use 2025 forms for wages paid in 2025. Example: If you paid employees in December 2025, report it on 2025 forms—even if you file in 2026.
Use 2026 forms below for wages paid starting January 1, 2026. Example: A paycheck dated January 2, 2026 belongs on 2026 forms.
NOTE: The 2026 Withholding forms will be added as are available. This is not the complete list of 2026 Withholding forms.
| Form |
Instructions | Description |
|---|---|---|
2026 Payment Coupon and Instructions - use for withholding periods beginning January 1, 2026 - Due dates |
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2026 Illinois Withholding Tax Tables - effective January 1, 2026 - December 31, 2026 |
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| IL-941 | 2026 Illinois Withholding Income Tax Return |
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| IL-941-Schedule-WC | 2026 Schedule WC Withholding Income Tax Credits |
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| IL-941-X | 2026 Amended Illinois Withholding Income Tax Return |
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2026 Statement by Person Receiving Gambling Winnings |
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2026 Withholding Income Tax Payment and Return Due Dates |
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| IL-W-4 | Employee's Illinois Withholding Allowance Certificate |
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| IL-W-5 | Certificate of Residence in Illinois |
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| IL-W-5-NR | Employee's Statement of Nonresidence in Illinois |
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Certificate of Days Worked in Illinois for Non-Residents |
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Worksheet to Report Days Worked in Illinois for Non-Residents |