2021 Individual Income Tax Forms

InstructionsIndividual Income Tax Return 
IL-1040-X InstructionsAmended Individual Income Tax Return
​Property Tax Rebate Form - 
Use this form to request your one-time property tax rebate. 
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 InstructionsComputation of Penalties for Individuals
IL-4562 InstructionsSpecial Depreciation
IL-4644 InstructionsGains from Sales of Employer's Securities Received from a Qualified Employee Benefit Plan
IL-4852 Substitute for Unobtainable Form W-2
Schedule 1299-C InstructionsIncome Tax Subtractions & Credits (for individuals)
​Schedule 1299-I​Income Tax Credits Information and Worksheets
Schedule 4255 InstructionsRecapture of Investment Tax Credits
Schedule CR InstructionsCredit for Tax Paid to Other State
Schedule F InstructionsGains from Sales or Exchanges of Property Acquired Before August 1, 1969
Schedule G InstructionsVoluntary Charitable Donations
Schedule ICR InstructionsIllinois Credits
Schedule IL-E/EIC InstructionsIllinois Exemption and Earned Income Credit
Schedule M InstructionsOther Additions and Subtractions for Individuals
Schedule NR InstructionsNonresident and Part-Year Resident Computation of Illinois Tax 
Schedule IL-WIT
Illinois Income Tax Withheld