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2025 Withholding (Payroll) Tax Forms
Which form should I use?
Use 2025 forms below 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 for wages paid starting January 1, 2026. Example: A paycheck dated January 2, 2026 belongs on 2026 forms.
| Form | Instructions | Description |
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Payment Coupon and Instructions - Due Dates |
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Illinois Withholding Income Tax Return - Due Dates |
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Amended Illinois Withholding Income Tax Return |
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Withholding Income Tax Credits |
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Withholding Income Tax Credits Information |
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Illinois Withholding Tax Tables Booklet - effective January 1, 2025 - December 31, 2025 |
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Statement by Person Receiving Gambling Winnings |
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Employee's Illinois Withholding Allowance Certificate |
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Certificate of Residence in Illinois |
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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 |
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| 2025 Withholding Income Tax Payment and Return Due Dates |