| Name |
Description |
| IL-1120 |
Instructions |
Corporation Income and Replacement Tax Return |
| IL-1120-V |
|
Payment Voucher for Corporation Income and Replacement Tax |
| IL-1120-X |
Instructions |
Amended Corporation Income and Replacement Tax Return |
| IL-1120-X-V |
|
Payment Voucher for Amended Corporation Income and Replacement Tax |
| IL-477 |
Instructions |
Replacement Tax Investment Credits |
| IL-2220 |
Instructions |
Computation of Penalties for Businesses |
IL-4562 |
Instructions |
Special Depreciation |
| Schedule INL |
Instructions |
Illinois Net Loss Adjustments for Cooperatives and REMIC Owners |
| Schedule INS |
Instructions |
Tax for Foreign Insurers |
| Schedule J |
|
Foreign Dividends |
| Schedule M |
Instructions |
Other Additions and Subtractions (for businesses) |
| Schedule NB |
Instructions |
Nonbusiness Income |
| Schedule NLD |
Instructions |
Illinois Net Loss Deduction |
| Schedule UB |
Instructions |
Combined Apportionment for Unitary Business Group |
| Schedule UB/INS |
Instructions |
Tax for a Unitary Business Group with Foreign Insurer Members |
| Schedule UB/NLD |
Instructions |
Unitary Illinois Net Loss Deduction |
| Schedule 80/20 |
Instructions |
Related-Party Expenses |
| Schedule 1299-B |
Instructions |
River Edge Redevelopment Zone or Foreign Trade Zone (or sub-zone) Subtractions (for corporations and fiduciaries) |
| Schedule 1299-D |
Instructions |
Income Tax Credits (for corporations and fiduciaries) |
| Schedule 1299-S |
|
Enterprise Zones, Foreign Trade Zones, and Sub-Zones |
| Schedule 4255 |
Instructions |
Recapture of Investment Tax Credits |