Tax Forms
 
 
 

2005 Corporate Income Tax Forms

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Name Description Rev Date
File Type
IL-1120-ES Estimated Income Replacement Tax Payments for Corporations R-12/05 Form Fill-In  
IL-1120 Corporation Income and Replacement Tax Return R-12/05 Form Fill-In Instr.
IL-1120-X Illinois Amended Corporation Income and Replacement Tax Return (For tax years ending ON or AFTER December 31, 2005) R-08/06 Form   Instr
IL-1120-X Illinois Amended Corporation Income and Replacement Tax Return (For tax years ending BEFORE December 31, 2005) R-12/05 Form   Instr
Schedule J Foreign Dividends R-12/05 Form Fill-In  
Schedule M Other Additions and Subtractions N-12/05 Form Fill-In  
Schedule NB Nonbusiness Income R-12/05 Form Fill-In  
Schedule NLD Illinois Net Loss Deduction R-12/05 Form Fill-In  
Schedule UB Combined Apportionment for Unitary Business Group R-12/05 Form Fill-In Instr.
Schedule UB/NLD Unitary Net Loss Deduction R-12/05 Form Fill-In  
Schedule INS Tax for Foreign Insurers R-12/05 Form Fill-In  
Schedule UB/INS Tax for a Unitary Business Group with Foreign Insurer Members R-12/05 Form Fill-In  
IL-477 Replacement Tax Investment Credits R-12/05 Form Fill-In  
IL-505-B Automatic Extension Payment R-12/05 Form Fill-In  
Schedule 1299-B Enterprise Zone Foreign Trade Zone/Sub-Zone Subtractions (for Corporations & Fiduciaries) R-12/05 Form Fill-In  
Schedule 1299-D Income Tax Credits (for Corporations & Fiduciaries) R-12/05 Form Fill-In Instr.
Schedule 1299-S Enterprise Zones, Foreign Trade Zones and Sub-Zones R-12/05 Form    
IL-2220 Computation of Penalties for Businesses R-12/05 Form   Instr.
IL-4255 Recapture of Investment Tax Credits R-12/05 Form    
IL-4562 Special Depreciation R-07/06 Form    
Schedule 80/20 Related Party Expenses R-12/05 Form Fill-In  
 
 
 
 
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