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2021 Individual Income Tax Forms
| Name | Description | |
|---|---|---|
| IL-1040 | Instructions | Individual Income Tax Return |
| Instructions | Addendum for taxpayers who received a discharge of indebtedness attributable to student loan forgiveness that is not excluded from the taxpayer’s federal adjusted gross income per Public Act 102‐1112 | |
| IL-1040-X | Instructions | Amended Individual Income Tax Return |
| IL-1040-ES | 2022 Estimated Income Tax Payments for Individuals Use this form for payments that are due on April 18, 2022, June 15, 2022, September 15, 2022, and January 17, 2023 |
|
| IL-1040-V | Payment Voucher for Individual Income Tax |
|
| IL-1040-X-V | Payment Voucher for Amended Individual Income Tax | |
| IL-505-I | Automatic Extension Payment for Individuals Filing Form IL-1040 | |
| IL-1310 | Statement of Person Claiming Refund Due a Deceased Taxpayer | |
| IL-2210 | Instructions | Computation of Penalties for Individuals |
| IL-4562 |
Instructions | Special Depreciation |
| IL-4644 | Instructions | Gains from Sales of Employer's Securities Received from a Qualified Employee Benefit Plan |
| IL-4852 | Substitute for Unobtainable Form W-2 | |
| Schedule 1299-C | Instructions | Income Tax Subtractions & Credits (for individuals) |
| Schedule 1299-I |
Income Tax Credits Information and Worksheets |
|
| Schedule 4255 | Instructions | Recapture of Investment Tax Credits |
| Schedule CR | Instructions | Credit for Tax Paid to Other States |
| Schedule F | Instructions | Gains from Sales or Exchanges of Property Acquired Before August 1, 1969 |
| Schedule G | Instructions | Voluntary Charitable Donations |
| Schedule ICR | Instructions | Illinois Credits |
| Schedule IL-E/EIC | Instructions | Illinois Exemption and Earned Income Credit |
| Schedule M | Instructions | Other Additions and Subtractions for Individuals |
| Schedule NR | Instructions | Nonresident and Part-Year Resident Computation of Illinois Tax |
| Schedule IL-WIT |
Instructions | Illinois Income Tax Withheld |