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Tax Forms

2009 Corporate Income Tax Forms

Name Description
IL-1120 Instr. Corporation Income and Replacement Tax Return (R-12/09)
IL-1120-ES   2010 Estimated Income Replacement Tax Payments for Corporations (R-12/09)
IL-1120-X Instr. Amended Corporation Income and Replacement Tax Return (R-12/09)
IL-477   Replacement Tax Investment Credits (R-12/09)
IL-505-B   Automatic Extension Payment (R-12/09)
IL-2220 Instr. Computation of Penalties for Businesses (R-12/09)
IL-4562   Special Depreciation (R-12/09)
Sch. INS   Tax for Foreign Insurers (R-12/09)
Sch. J   Foreign Dividends (R-12/09)
Sch. M   Other Additions and Subtractions (for businesses) (R-12/09)
Sch. NB   Nonbusiness Income (R-12/09)
Sch. NLD   Illinois Net Loss Deduction (R-12/09)
Sch. UB Instr. Combined Apportionment for Unitary Business Group (R-12/09)
Sch. UB/INS   Tax for a Unitary Business Group with Foreign Insurer Members (R-12/09)
Sch. UB/NLD   Unitary Illinois Net Loss Deduction (R-12/09)
Sch. 80/20   Related Party Expenses (R-12/09)
Sch. 1299-B   Enterprise Zone or Foreign Trade Zone (sub-zone) Subtractions (for corporations & fiduciaries) (R-12/09)
Sch. 1299-D Instr.  Income Tax Credits (for corporations & fiduciaries) (R-12/09)
Sch. 1299-S   Enterprise Zones, Foreign Trade Zones, and Sub-Zones (R-12/09)
Sch. 4255   Recapture of Investment Tax Credits (R-12/09)