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2022 Small Business Corporation Replacement Tax Forms

Name Description
IL-1120-ST 

Instructions
 
Small Business Corporation Replacement Tax Return (includes Schedule B)
2022-IL-1120-ST-V   Payment Voucher for 2022 Small Business Corporation Replacement Tax (Use this voucher and Appendix A of Form IL-1120-ST Instructions to make a 2022 return or extension payment.)
​2023-IL-1120-ST-V

​Payment Voucher for 2023 Small Business Corporation Replacement Tax (Use this voucher and Appendix B of Form IL-1120-ST Instructions to make estimated payments or voluntary prepayment(s) of 2023 tax due.) 
IL-1120-ST-X
Instructions ​Amended Small Business Corporation Replacement Tax Return (includes Schedule B)
IL-1120-ST-X-V   Payment Voucher for Amended Small Business Corporation Replacement Tax
IL-477 Instructions Replacement Tax Investment Credits
IL-1000-E   Certificate of Exemption for Pass-through Withholding Payments
​IL-2220

                     Instructions

03/08/2023 - Updated to clear up
discrepancies between this form
and return instructions about
when estimated tax penalties are
due for partnerships or S-corporations
electing to pay PTE tax.

​Computation of Penalties for Businesses

IL-4562

 

Instructions

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 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)

02/14/2023 - Updated to reflect the credit changes adopted by PA 102-1125

Instructions for Partnerships and S Corporations Completing Schedule K-1-P and Schedule K-1-P(3)
 

Schedule K-1-P (2)

02/14/2023 - Updated to reflect the credit changes adopted by PA 102-1125

Partner's and Shareholder's Instructions
Schedule K-1-P (3)   Pass-through Withholding Calculation for Nonresident Members
Schedule M

Instructions

05/02/2023 – Updated to correct the Federal
Form 8993 line reference for Line 9

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 80/20 Instructions Related-Party Expenses
Schedule 1299-A

Instructions

02/14/2023 - Updated to reflect the credit changes adopted by PA 102-1125

Tax Subtractions and Credits (for partnerships and S corporations)

Schedule 1299-I

02/14/2023 - Updated to reflect the credit changes adopted by PA 102-1125

  Income Tax Credits Information and Worksheets
Schedule 4255

Instructions

02/14/2023 - Updated to reflect the credit changes adopted by PA 102-1125

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