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2025 Partnership Replacement Tax Forms
| Name | Instructions | Description |
|---|---|---|
| IL-1065 | PDF |
Partnership Replacement Tax Return (includes Schedule B) |
| IL-1065-V | |
Payment Voucher for Partnership Replacement Tax To make a return or extension payment, use this voucher and Appendix A of Form IL-1065 Instructions. Important: Ensure the proper month and year of the filing period you wish to make a payment for is entered on the "Tax year ending" lines of the voucher. |
| IL-1065-X | PDF |
Amended Partnership Replacement Tax Return (includes Schedule B) |
| IL-1065-X-V | Payment Voucher for Amended Partnership Replacement Tax Important: Ensure the proper month and year of the filing period you wish to make a payment for is entered on the "Tax year ending" lines of the voucher. |
|
| IL-477 | Replacement Tax Investment Credits | |
| IL-1000-E | Certificate of Exemption for Pass-through Withholding Payments | |
| IL-2220 | Computation of Penalties for Businesses |
|
| IL-4562 | Special Depreciation | |
| Schedule F | Gains from Sales or Exchanges of Property Acquired Before August 1, 1969 | |
| Schedule K-1-P |
Partner's or Shareholder's Share of Income, Deductions, Credits, and Recapture | |
| Schedule K-1-P(1) | Instructions for Partnerships and S Corporations Completing Schedule K-1-P, Schedule K-1-P(3), and Schedule K-1-P(4) | |
| Schedule K-1-P(2) | Partner's and Shareholder's Instructions | |
| Schedule K-1-P (3) | Pass-through Withholding Calculation for Nonresident Members | |
| Schedule K-1-P (4) | Investment Partnership Withholding Calculation for Nonresident Partners | |
| Schedule M | Other Additions and Subtractions (for businesses) |
|
| Schedule NB | Nonbusiness Income | |
| Schedule NLD | Illinois Net Loss Deduction | |
| Schedule UB |
Combined Apportionment for Unitary Business Group 03/05/2026 - The instructions were updated to provide additional information for unitary groups with members not taxable in Illinois, including the addition of an Allocation Worksheet used to calculate the correct apportionment amounts for the Illinois taxable members of the unitary business group. |
|
| Schedule 80/20 | Related-Party Expenses | |
| Schedule 1299-A | Tax Subtractions and Credits (for partnerships and S corporations) | |
| Schedule 1299-I | Income Tax Credits Information and Worksheets | |
| Schedule 4255 | Recapture of Investment Tax Credits | |
| Subgroup Schedule (UB) | Subgroup Schedule 03/05/2026 - The instructions were updated to provide additional information for unitary groups with subgroup members not taxable in Illinois. |