2020 Individual Income Tax Forms

IL-1040 Instructions Individual Income Tax Return - Coming soon
IL-1040-X Instructions Amended Individual Income Tax Return - Coming soon
IL-1040-ES   2021 Estimated Income Tax Payments for Individuals
Use this form for payments that are due on April 15, 2021, June 15, 2021, September 15, 2021, and January 18, 2022. - Coming soon
IL-1040-V  Payment Voucher for Individual Income Tax - Coming soon
IL-1040-X-V  Payment Voucher for Amended Individual Income Tax - Coming soon
IL-505-I  Automatic Extension Payment for Individuals Filing Form IL-1040 - Coming soon
IL-1310  Statement of Person Claiming Refund Due a Deceased Taxpayer - Coming soon
IL-2210 Instructions Computation of Penalties for Individuals - Coming soon
Instructions Special Depreciation - Coming soon
IL-4644 Instructions Gains from Sales of Employer's Securities Received from a Qualified Employee Benefit Plan - Coming soon
IL-4852  Substitute for Unobtainable Form W-2 - Coming soon
Schedule 1299-C Instructions Income Tax Subtractions & Credits (for individuals) - Coming soon
Schedule 1299-I
​Income Tax Credits Information and Worksheets - Coming soon
Schedule 4255 Instructions Recapture of Investment Tax Credits - Coming soon
Schedule CR Instructions Credit for Tax Paid to Other States - Coming soon
Schedule F Instructions Gains from Sales or Exchanges of Property Acquired Before August 1, 1969 - Coming soon
Schedule G Instructions Voluntary Charitable Donations - Coming soon
Schedule ICR Instructions Illinois Credits - Coming soon
Schedule IL-E/EIC Instructions Illinois Exemption and Earned Income Credit - Coming soon
Schedule M Instructions Other Additions and Subtractions for Individuals - Coming soon
Schedule NR Instructions Nonresident and Part-Year Resident Computation of Illinois Tax - Coming soon
Schedule IL-WIT
Instructions Illinois Income Tax Withheld - Coming soon