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2023 Partnership Replacement Tax Forms

Name Description
IL-1065 Instructions 
04/05/2024 - Updated to include additional instructions for investment partnerships who are required to withhold for their nonresident partners. Investment partnership withholding for each applicable partner is now required to be reported on Schedule B, Section B, Line J.
Partnership Replacement Tax Return (includes Schedule B)
  Addendum to the 2023 IL-1065 Instructions 04/05/2024 - Highlights revised general filing instructions for investment partnerships who are required to calculate and report investment partnership withholding on behalf of their nonresident partners. 
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.
To make an estimated payment or voluntary prepayment, use this voucher and Appendix B 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 Instructions
04/05/2024 - Updated to include additional instructions for investment partnerships who are required to withhold for their nonresident partners.
​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 Instructions Replacement Tax Investment Credits
IL-1000-E   Certificate of Exemption for Pass-through Withholding Payments
​IL-2220 Instructions ​Computation of Penalties for Businesses
IL-4562

Instructions

Special Depreciation
Schedule F Instructions 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 and Schedule K-1-P(3)
  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) Instructions
04/05/2024 - Updated to include additional instructions for investment partnerships who are required to withhold for their nonresident partners. Investment partnership withholding for each applicable partner is now required to be reported on Schedule B, Section B, Line J.
Investment Partnership Withholding Calculation for Nonresident Partners
Schedule M Instructions Other Additions and Subtractions (for businesses)
Schedule NB Instructions Nonbusiness Income
Schedule NLD Instructions Illinois Net Loss Deduction
Schedule UB
02/23/24 - Updated Step 2, Line 25, to reflect
federal Form 1120, Line 25 (Energy efficient
commercial buildings deduction).
Instructions Combined Apportionment for Unitary Business Group
Schedule 80/20 Instructions Related-Party Expenses
Schedule 1299-A

Instructions

07/10/24 – Updated to include new Quantum Computing Campuses tax credit.

Tax Subtractions and Credits (for partnerships and S corporations)

Schedule 1299-I

07/10/24 – Updated to include new Quantum Computing Campuses tax credit and to extend expiration dates for credits affected by recently passed legislation.

  Income Tax Credits Information and Worksheets
Schedule 4255

Instructions

Recapture of Investment Tax Credits
Subgroup Schedule (UB) Instructions Subgroup Schedule