2015 Corporation Forms
Booklets
| Name | Description | Revised Date |
| CT-1120 | 2015 Connecticut Corporation Business Tax Instructions | 01/2016 |
Business Tax Returns
| Name | strong>Description | Revised Date |
| CT-1120 | 2015 Corporation Business Tax Return | 12/2015 |
| CT-1120A | Corporation Business Tax Return Apportionment Computation (with instructions) |
12/2015 |
| CT-1120 ATT | Corporation Business Tax Return Attachment Schedules H, I, and J (with instructions) |
12/2015 |
| CT-1120AB | Add Back and Exceptions to Add Back of Interest and Intangible Expenses | 12/2013 |
| CT-1120K | Business Tax Credit Summary | 12/2015 |
| CT-1120I | Computation of Interest Due on Underpayment of Estimated Tax (with instructions) | 12/2015 |
| CT-1120X | Amended Corporation Business Tax Return |
01/2016
|
| CT-1120X | Amended Corporation Business Tax Return (Instructions) | 12/2015 |
| Name | Description | Revised Date |
| AU-796 | Reinstatement Guarantee Declaration for Non-stock Corporations | 03/2008 |
| AU-797 | Dissolution Guarantee Declaration for Stock Corporations | 04/2008 |
| AU-800a |
Withdrawal Guarantee Declaration for Corporations |
03/2008 |
|
Reinstatement Guarantee Declaration for Stock Corporations |
03/2008 |
|
|
Corporation Business Tax Return Apportionment Computation-Air Carriers |
12/2008 |
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Corporation Business Tax Return Apportionment Computation - Motor Bus and Motor Carrier Companies |
12/2013 |
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Corporation Business Tax Return Apportionment Computation - Broadcasters and Production Entities |
12/2013 |
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Corporation Business Tax Return Apportionment Computation of Income from Credit Card Activities |
12/2013 |
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Corporation Business Tax Return Apportionment Computation of Income from Financial Service Companies Activities |
12/2014 |
|
| CT-1120 A-IRIC | Corporation Business Tax Return Apportionment Computation of Income from Services to Regulated Investment Companies | 2012 |
| CT-1120 A-LP | Corporation Business Tax Return Apportionment of Limited Partnership Interests | 01/2011 |
|
Corporation Business Tax Return Apportionment Computation - Manufacturing Companies |
12/2014 |
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Corporation Business Tax Return Apportionment Computation - Securities Brokerage Services |
2012 |
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Authorization and Consent to be Included in a Combined Corporation Business Tax Return |
12/2015 |
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Revocation of Election and Consent to File Combined Corporation Business Tax |
12/2014 |
|
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Combined Corporation Business Tax Return |
12/2015 |
|
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Combined Corporation Business Tax Return (Instructions) |
12/2015 |
|
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Information Return for Passive Investment Companies |
01/2014 |
|
|
Unitary Corporation Business Tax Return |
12/2015 |
|
| CT-1120 U | Unitary Corporation Business Tax Return (Instructions) |
Credit Forms
| Name |
Description |
Revised Date |
| CT-1120 AT | Apprenticeship Training Tax Credit | 12/2015 |
| CT-1120 DA | Digital Animation Tax Credit | 12/2015 |
| CT-1120 DL | Donation of Land Credit | 12/2015 |
| CT-1120 EDPC | Electronic Data Processing Equipment Property Tax Credit |
12/2015
|
| CT-1120 FCIC | Fixed Capital Investment Credit |
12/2015
|
| CT-1120FP | Film Production Tax Credit |
12/2015 |
| CT-1120 FPI | Film Production Infrastructure Tax Credit |
12/2015
|
| CT-1120 GB | Green Building Tax Credit |
11/2015 |
| CT-1120 HCIC | Human Capital Investment Credit |
12/2015
|
| CT-1120 HH | Historic Homes Rehabilitation Tax Credit |
11/2015 |
| CT-1120 HP | Historic Preservation Tax Credit |
12/2015 |
| CT-1120 HPC | Housing Program Contribution Credit |
12/2015 |
| CT-1120 HR | Historic Rehabilitation Tax Credit |
11/2015 |
| CT-1120 HS | Historic Structures Rehabilitation Tax Credit |
12/2015 |
| CT-IRF | Insurance Reinvestment Fund Credit |
11/2015 |
| CT-1120 MEC | Machinery and Equipment Expenditure Credit |
12/2015 |
| CT-1120 NJC | New Jobs Creation Credit |
11/2015 |
| CT-1120 RC | Research and Experimental Expenditures Credit |
11/2015 |
| CT-1120 RDC | Research and Development Credit |
11/2015 |
| CT-1120 SBA | Small Business Guaranty Fee Tax Credit | 11/2015 |
| CT-1120SF | Service Facility Credit | 11/2015 |
| CT-1120 TIC-EZ | Manufacturing Facility Credit for Facilities Located in a Targeted Investment Community/Enterprise Zone NOTE: This form replaces Forms CT-1120CRMC, CT-1120CRMCEZ, CT-1120MC and CT-1120MCEZ | |
| CT-UISR | Urban and Industrial Site Reinvestment Credit | 12/2015 |
| CT-1120 XCH | Application for Exchange of Research and Development or Research and Experimental | 12/2015 |
| CT-1120 JET | 2015 Job Expansion Tax Credit | 12/2015 |