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| Name | Description | |
|---|---|---|
| IL-1040 | Instr. | Individual Income Tax Return (R-12/11) |
| IL-1040-ES | 2012 Estimated Income Tax Payments for Individuals (R-12/11) Use this form for payments that are due on April 17, 2012; June 15, 2012; September 17, 2012; and January 15, 2013. |
|
| IL-1040-V | Payment Voucher for Individual Income Tax (R-12/11) | |
| IL-1040-X | Instr. | Amended Individual Income Tax Return (R-12/11) |
| IL-505-I | Automatic Extension Payment for Individuals (R-12/11) | |
| IL-1310 | Statement of Person Claiming Refund Due a Deceased Taxpayer (R-12/11) | |
| IL-2210 | Instr. | Computation of Penalties for Individuals (R-12/11) |
| IL-4562 | Special Depreciation (R-12/11) | |
| IL-4644 | Gains from Sales of Employer's Securities Received from a Qualified Employee Benefit Plan and Instructions (R-12/11) | |
| IL-4852 | Substitute for Unobtainable Form W-2 (R-12/11) | |
| Sch. CR | Credit for Tax Paid to Other States (R-12/11) | |
| Sch. F | Gains from Sales or Exchanges of Property Acquired Before 8/1/69 (R-12/11) | |
| Sch. G | Voluntary Charitable Donations (R-12/11) | |
| Sch. ICR | Illinois Credits (R-12/11) | |
| Sch. M | Instr. | Other Additions and Subtractions for Individuals (R-12/11) |
| Sch. NR | Instr. | Nonresident and Part-year resident Computation of Illinois Tax (R-12/11) |
| Sch. 1299-C | Instr. | Income Tax Subtractions & Credits (R-12/11) |
| Sch. 1299-S | Enterprise Zones, Foreign Trade Zones, and Sub-Zones (R-12/11) | |
| Sch. 4255 | Recapture of Investment Tax Credits (R-12/11) | |