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2017 Individual Income Tax Forms

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Name Description 
IL-1040 Instructions Individual Income Tax Return
IL-1040-X Instructions Amended Individual Income Tax Return
IL-1040-ES   2018 Estimated Income Tax Payments for Individuals
Use this form for payments that are due on April 17, 2018, June 15, 2018, September 17, 2018, and January 15, 2019.
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
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-S   Obsolete - See the Illinois Department of Commerce and Economic Opportunity website for a list of enterprise zones, river edge redevelopment zones, and the DCEO contact information.
Schedule 4255 Instructions Recapture of Investment Tax Credits
Schedule CR Instructions Credit for Tax Paid to Other States (Line 29 revised February 2018)
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-EIC Instructions Illinois Earned Income Credit
Schedule M Instructions Other Additions and Subtractions for Individuals
Schedule NR Instructions Nonresident and Part-Year Resident Computation of Illinois Tax (Line 33 revised February 2018)
Schedule SA Instructions Specific Accounting Method of Computing Net Income for Individuals