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2025 Individual Income Tax Forms

Form Instructions Description 
IL-1040
 HTML | PDF | Español Individual Income Tax Return 
IL-1040-X

HTML | PDF | Español

 Amended Individual Income Tax Return
IL-1040-ES   2026 Estimated Income Tax Payments for Individuals
Use this form for payments that are due on April 15, 2026, June 15, 2026, September 15, 2026, and January 15, 2027.
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 HTML | PDF | Español Computation of Penalties for Individuals
IL-4562 HTML | PDF Special Depreciation
IL-4644 HTML | PDF 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 HTML | PDF | Español Income Tax Subtractions & Credits (for individuals)
Schedule 1299-I

HTML | PDF

 Income Tax Credits Information and Worksheets
Schedule 4255 HTML | PDF Recapture of Investment Tax Credits
Schedule CR HTML | PDF | Español Credit for Tax Paid to Other States 
Schedule F HTML | PDF | Español Gains from Sales or Exchanges of Property Acquired Before August 1, 1969
Schedule G HTML | PDF | Español Voluntary Charitable Donations
Schedule ICR HTML | PDF | Español Illinois Credits
Schedule IL-E/EITC HTML | PDF | Español Illinois Exemption and Earned Income Tax Credit
Schedule M HTML | PDF | Español

Other Additions and Subtractions for Individuals

Note: For determining your 529 additions and subtractions, see Bright Start 529 Illinois Taxpayer Guide or Bright Directions 529 Tax Center. 
Schedule NR HTML | PDF | Español Nonresident and Part-Year Resident Computation of Illinois Tax 
Schedule IL-WIT
 HTML | PDF | Español Illinois Income Tax Withheld