Illinois Department of Revenue
 
 
Tax Forms
 
 
 
 
 

2011 Corporate Income Tax Forms

 
 
Name Description
IL-1120 Instr. Corporation Income and Replacement Tax Return (R-12/11) 
IL-1120-ES   2012 Estimated Income and Replacement Tax Payments for Corporations (R-12/11)
IL-1120-X Instr. Amended Corporation Income and Replacement Tax Return (R-12/11)
IL-477   Replacement Tax Investment Credits (R-12/11)
IL-505-B Automatic Extension Payment (R-12/11)
IL-2220 Instr. Computation of Penalties for Businesses (R-12/11)
IL-4562
  Special Depreciation (R-12/11)
Sch. INL Instr. Illinois Net Loss Adjustment for Cooperatives (R-02/13)
Sch. INS   Tax for Foreign Insurers (R-12/11)
Sch. J   Foreign Dividends (R-12/11)
Sch. M Instr. Other Additions and Subtractions (for businesses) (R-12/11)
Sch. NB   Nonbusiness Income (R-12/11)
Sch. NLD   Illinois Net Loss Deduction (R-12/11)
Sch. UB Instr. Combined Apportionment for Unitary Business Group (R-12/11)
Sch. UB/INS   Tax for a Unitary Business Group with Foreign Insurer Members (R-12/11)
Sch. UB/NLD   Unitary Illinois Net Loss Deduction (R-12/11)
Sch. 80/20   Related Party Expenses (R-12/11)
Sch. 1299-B Instr. Enterprise Zone or Foreign Trade Zone (sub-zone) Subtractions (for corporations & fiduciaries) (R-12/11)
Sch. 1299-D Instr. Income Tax Credits (for corporations & fiduciaries) (R-12/11)
Sch. 1299-S   Enterprise Zones, Foreign Trade Zones, and Sub-Zones (R-12/11)
Sch. 4255   Recapture of Investment Tax Credits (R-12/11)
 
 
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