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Corporation Income Tax Forms
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Form Name

Tax Year

IA 1120 Long Form return only 42-001

2006
2005
2004

2003
2002

2001
2000
1999
1998
1997
1996
IA 1120A Short Form return only 42-030

2006
2005
2004

2003
2002
2001
2000
1999
1998
1997
1996
 
IA 1120 and IA 1120A instructions only 42-002

2006
2005
2004

2003
2002
2001
2000
1999
1998
1997
1996
 
IA 1120S S Corp return only
42-004

2006
2005
2004

1999
1998
1997
1996
IA 1120S instructions only
42-005

2006
2005
2004

2003
2002
2001
2000

1999
1998
1997
1996
IA 1120X Amended Corporation Return 42-024

2006
2005
2004

2003
2002
2001
2000
1999
1998
1997
1996
Tax Payment Voucher - 42-019

2006
2005
2004

2003
2002
2001
2000
1999
1998
1997
1996
 
Schedules F and G Net Operating and Alternative Minimum Tax Loss Carryovers 42-020

2006
2005
2004

2003
2002
2001
2000
 
1999
1998
1997
1996
Schedule H Computation of Federal Tax Refund/Deduction
42-021

2006
2005
2004

2003
2002
2001
2000
1999
1998
1997
1996
Schedules I and J
IA 851 Affiliation/Consolidated Business Activity Ratio 42-022

2006
2005
2004

2003
2002
2001
2000
1999
1998
1997
1996
Schedule of Partner or Shareholder Information 41-034

2006
2005

2004

2003
IA 032 Income Tax Credit Carry Forward Schedule 42-032

Tax Year 2005 and earlier



IA 128 Research Activities Credit 41-128

2006
2005
2004

2003
2002
2001
2000
1999
1998
1997
1996
IA 128A Alternate Calculation for Research Activities Credit 41-129

2006
2005
2004

2003
2002
2001
2000


IA 132 Cow-Calf Refund 41-132

2006
2005
2004

2003
2002
2001
2000
1999
IA 133 New Jobs Credit 41-133

2006
2005
2004

2003
2002
2001
2000
1999
1998
1997
1996
IA 133A New Jobs Credit Carry Forward Schedule 41-107 Tax Year 2005 and earlier

IA 135 E85 Gasoline Promotion Tax Credit 41-150

2006
2005



IA 148 Tax Credits Schedule 2006    
IA 1139 Application for Refund Due to Carryback of Losses 42-026

2006
2005
2004

2003
2002
2001
2000
1999
1998
1997
1996
IA 1139F Application for Refund Due to the Carryback of Corporate Farming Losses 42-027

2006
2005
2004

2003
IA 3468 Investment Tax Credit
42-034

2006
2005
2004

2003
2002

2001 

IA 3468A Investment Tax Credit Carry Forward Schedule 42-033

Tax Year 2005 and earlier



IA 4136 Computation of Motor Fuel Tax Credit 41-005

2006
2005
2004

2003
2002
2001
2000
1999
1998
1997
1996
IA 4562A Iowa Depreciation Adjustment Schedule 41-105

2006
2005
2004

2003
2002
2001

IA 4562B Iowa Depreciation Accumulated Adjustment Schedule 41-106 All
years
 


IA 6478 Ethanol Blended Tax Credit 41-142

2006
2005
2004

2003
2002
 

IA 8864 Biodiesel Blended Fuel Tax Credit 41-149

2006
2005



Application for Iowa Wage-Benefits Tax Credit 42-011 Current MS Word fillable

IA 1120ES Estimated Tax Vouchers 45-004

2007
2006

2005

IA 1120ES instructions only
45-010

2007
2006

2005


IA 2220 Underpayment of Estimated Tax 45-006

2006
2005
2004

2003
2002
2001
2000
1999
1998
1997
1996

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