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About IDOR
| Name | Description | |
|---|---|---|
| IL-1120-ST | Instr. | Small Business Corporation Replacement Tax Return (includes Schedule B) (R-12/10) |
| IL-1120-ST-X | Instr. | Amended Small Business Corporation Replacement Tax Return (R-12/10) |
| IL-477 | Replacement Tax Investment Credits (R-12/10) | |
| IL-505-B | Automatic Extension Payment (R-12/10) | |
| IL-1000 | Pass-through Entity Payment
Income Tax Return (R-12/10) |
|
| IL-1000-E | Certificate of Exemption for Pass-through Entity Payments (R-12/09) | |
| IL-1000-P | Prepayment Voucher for Pass-through Entity Payments (R-12/10) | |
| IL-1000-X | Amended Pass-through Entity Payment Income Tax Return (R-12/10) | |
| IL-1023-C | Instr. | Composite Income and Replacement Tax Return (R-12/10) |
| IL-1023-CES | 2011 Composite Estimated Tax Payments for Partners and Shareholders | |
| IL-1023-C-X | Instr. |
Amended Composite Income and Replacement Tax Return (R-12/10) |
| IL-4562 |
Special Depreciation (R-02/11) | |
| Sch. F | Gains from Sales or Exchanges of Property Acquired before 8/1/69 (R-12/10) | |
| Sch. K-1-P | Partner's or Shareholder's Share of Income, Deductions, Credits, and Recapture (R-12/10) | |
| Sch. K-1-P (1) | Instructions for Partnerships and S Corporations Completing Schedule K-1-P (R-02/11) | |
| Sch. K-1-P (2) | Partner's and Shareholder's Instructions (R-12/10) | |
| Sch. M | Other Additions and Subtractions (for businesses) (R-12/10) | |
| Sch. NB | Nonbusiness Income (R-12/10) | |
| Sch. NLD | Illinois Net Loss Deduction (R-12/10) | |
| Sch. SA | Specific Accounting Method of Computing Net Income for Composite Returns (N-02/11) | |
| Sch. UB | Instr. | Combined Apportionment for Unitary Business Group (R-12/10) |
| Sch. 80/20 | Related Party Expenses (R-12/10) | |
| Sch. 1299-A | Instr. | Tax Subtractions and Credits (for partnerships and S corporations) (R-12/10) |
| Sch. 1299-S | Enterprise Zones, Foreign Trade Zones, and Sub-Zones (R-12/10) | |
| Sch. 4255 | Recapture of Investment Tax Credits (R-12/10) | |