2022 Corporate Income Tax Forms
Name | Description | |
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IL-1120 |
02/14/2023 - Updated to reflect the credit changes adopted by PA 102-1125 |
Corporation Income and Replacement Tax Return |
2022-IL-1120-V | Payment Voucher for 2022 Corporation Income and Replacement Tax (Use this voucher and Appendix A of Form IL-1120 Instructions to make a 2022 return or extension payment) |
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2023-IL-1120-V | | Payment Voucher for 2023 Corporation Income and Replacement Tax (Use this voucher and Appendix B of Form IL-1120 Instructions to make 2023 estimated payments) |
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 |
03/08/2023 - Updated to clear up |
Computation of Penalties for Businesses |
IL-4562 |
07/21/2023 - Updated to clarify Line 10 instructions for filers with tax years on or after 12/31/2021. 03/13/2023 - Updated to clarify how bonus depreciation on luxury automobiles is handled for Illinois filing. 02/17/2023 - Updated to add date references on the Line 10 specific instructions. |
Special Depreciation |
Schedule INL | Instructions | Illinois Net Loss Adjustments for Cooperatives and REMIC Owners |
Schedule INS | Instructions | Tax for Foreign Insurers |
Schedule J | Instructions | Foreign Dividends |
Schedule M |
05/02/2023 – Updated to correct the Federal |
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 |
02/14/2023 - Updated to reflect the credit changes adopted by PA 102-1125 |
Income Tax Credits (for corporations and fiduciaries) |
02/14/2023 - Updated to reflect the credit changes adopted by PA 102-1125 |
Income Tax Credits Information and Worksheets | |
Schedule 4255 |
02/14/2023 - Updated to reflect the credit changes adopted by PA 102-1125 |
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Subgroup Schedule (UB) | Instructions |
Subgroup Schedule |