Skip to main content
 
 
 
 
Taxpayer Answer Center

Quick Links

Information For

About IDOR

Tax Forms

2015 Small Business Corporation Replacement Tax Forms

Attention Firefox Users

Firefox uses a built-in viewer to present PDF documents by default.

This viewer does not allow users to fill in form fields. To allow fill-in forms, follow these instructions to re-enable the Adobe Acrobat Reader.

Attention Chrome Users

Chrome uses a built-in viewer to present PDF documents by default.

Some advanced features used in our PDF forms may not work with this built-in viewer. If you experience difficulty with a fill-in form, you can download the form for viewing with the Adobe Acrobat Reader by clicking the save button that appears in the lower right when you hover your mouse in that area.

Name Description
IL-1120-ST Instructions Small Business Corporation Replacement Tax Return (includes Schedule B)
IL-1120-ST-V   Payment Voucher for Small Business Corporation Replacement Tax
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-505-B   Automatic Extension Payment
IL-516-I and
IL-516-B
  2016 Pass-through Prepayment Vouchers and Instructions.
IL-1000-E   Certificate of Exemption for Pass-through Withholding Payments
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 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 80/20 Instructions Related-Party Expenses
Schedule 1299-A Instructions Tax Subtractions and Credits (for partnerships and S corporations)
Schedule 1299-S   Enterprise Zones, Foreign Trade Zones, and Sub-Zones
Schedule 4255 Instructions Recapture of Investment Tax Credits