| Form AU-796 | Reinstatement Guarantee Declaration for Non-stock Corporations | 03/31/2008 |
| Form AU-797 | Dissolution Guarantee Declaration for Stock Corporations | 04/01/2008 |
| Form AU-798 | Dissolution Guarantee Declaration for Non-stock Corporations | 03/31/2008 |
| Form AU-800a | Withdrawal Guarantee Declaration for Corporations | 03/31/2008 |
| Form AU-801 | Reinstatement Guarantee Declaration for Stock Corporations | 03/31/2008 |
| Form CT-1040 AW | Part-Year Resident Income Allocation Worksheet | 10/22/2015 |
| Form CT-1040 EXT | 2015 Application for Extension of Time to File Income Tax Return for Individuals | 01/14/2016 |
| Form CT-1040 | 2015 Resident Income Tax Return | 10/29/2015 |
| Form CT-1040BA | Nonresident Business Apportionment Schedule | 10/14/2015 |
| Form CT-1040CRC | Claim of Right Credit | 10/22/2015 |
| Form CT-1040EFW | Connecticut Electronic Withdrawal Payment Record | 10/14/2015 |
| Form CT-1040ES | 2016 Estimated Connecticut Income Tax Payment Coupon for Individuals | 10/29/2015 |
| Form CT-1040NR-PY | 2015 Nonresident/Part-Year Resident Tax Return | 11/02/2015 |
| Form CT-1040V | Connecticut Electronic Filing Payment Voucher | 10/22/2015 |
| Form CT-1040WH | Connecticut Income Tax Withholding Supplemental Schedule | 10/29/2015 |
| Form CT-1040X | Amended Income Tax Return for Individuals | 11/06/2015 |
| Form CT-1120 A-BMC | Corporation Business Tax Return Apportionment Computation - Motor Bus and Motor Carrier Companies | 10/31/2013 |
| Form CT-1120 A-BPE | Corporation Business Tax Return Apportionment Computation - Broadcasters and Production Entities | 10/31/2013 |
| Form CT-1120 A-CCA | Corporation Business Tax Return Apportionment Computation of Income From Credit Card Activities | 10/31/2013 |
| Form CT-1120 A-FS | Corporation Business Tax Return Apportionment Computation of Income from Financial Service Companies Activities | 10/21/2014 |
| Form CT-1120 A-IRIC | Corporation Business Tax Return Apportionment Computation of Income from Services to Regulated Investment Companies | 01/08/2013 |
| Form CT-1120 A-LP | Corporation Business Tax Return Apportionment of Limited Partnership Interests | 01/26/2011 |
| Form CT-1120 A-MFG | Corporation Business Tax Return Apportionment Computation - Manufacturing Companies | 10/21/2014 |
| Form CT-1120 A-SBC | Corporation Business Tax Return Apportionment Computation - Securities Brokerage Services | 01/08/2013 |
| Form CT-1120 AT | Apprenticeship Training Tax Credit | 11/20/2015 |
| Form CT-1120 ATT | Corporation Business Tax Return Attachment Schedules H, I, and J (with instructions) | 12/23/2015 |
| Form CT-1120 CC | Authorization and Consent to be Included in a Combined Corporation Business Tax Return | 11/16/2015 |
| Form CT-1120 CC-R | Revocation of Election and Consent to File Combined Corporation Business Tax | 10/21/2014 |
| Form CT-1120 CR | Combined Corporation Business Tax Return | 12/16/2015 |
| Form CT-1120 DA | Digital Animation Tax Credit | 11/18/2015 |
| Form CT-1120 DL | Donation of Land Credit | 11/20/2015 |
| Form CT-1120 EDPC | Electronic Data Processing Equipment Property Tax Credit | 11/18/2015 |
| Form CT-1120 EXT | Application for Extension of Time to File Corporation Business Tax Return (with instructions) | 11/16/2015 |
| Form CT-1120 FCIC | Fixed Capital Investment Credit | 11/18/2015 |
| Form CT-1120 FPI | Film Production Infrastructure Tax Credit | 11/18/2015 |
| Form CT-1120 GB | Green Building Tax Credit | 11/18/2015 |
| Form CT-1120 HCIC | Human Capital Investment Credit | 11/18/2015 |
| Form CT-1120 HH | Historic Homes Rehabilitation Tax Credit | 11/18/2015 |
| Form CT-1120 HP | Historic Preservation Tax Credit | 11/20/2015 |
| Form CT-1120 HPC | Housing Program Contribution Credit | 11/18/2015 |
| Form CT-1120 HR | Historic Rehabilitation Tax Credit | 11/18/2015 |
| Form CT-1120 HS | Historic Structures Rehabilitation Tax Credit | 11/20/2015 |
| Form CT-1120 JET | 2015 Job Expansion Tax Credit | 11/18/2015 |
| Form CT-1120 MEC | Machinery and Equipment Expenditure Credit | 11/18/2015 |
| Form CT-1120 NJC | New Jobs Creation Credit | 11/18/2015 |
| Form CT-1120 PIC | Information Return for Passive Investment Companies | 01/02/2014 |
| Form CT-1120 RC | Research and Experimental Expenditures Credit | 11/18/2015 |
| Form CT-1120 RDC | Research and Development Credit | 11/18/2015 |
| Form CT-1120 SBA | Small Business Guaranty Fee Tax Credit | 11/18/2015 |
| Form CT-1120 SBJ | Small Business Job Creation Tax Credit | 10/15/2014 |
| Form 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 | 10/16/2014 |
| Form CT-1120 U | Unitary Corporation Business Tax Return | 01/05/2016 |
| Form CT-1120 XCH | Application for Exchange of Research and Development or Research and Experimental | 11/18/2015 |
| Form CT-1120 | 2015 Corporation Business Tax Return | 12/23/2015 |
| Form CT-1120A | Corporation Business Tax Return Apportionment Computation (with instructions) | 12/23/2015 |
| Form CT-1120A-A | Corporation Business Tax Return Apportionment Computation-Air Carriers | 12/03/2008 |
| Form CT-1120AB | Add Back and Exceptions to Add Back of Interest and Intangible Expenses | 10/31/2013 |
| Form CT-1120FP | Film Production Tax Credit | 11/20/2015 |
| Form CT-1120I | Computation of Interest Due on Underpayment of Estimated Tax (with instructions) | 11/16/2015 |
| Form CT-1120K | Business Tax Credit Summary | 12/23/2015 |
| Form CT-1120SF | Service Facility Credit | 11/18/2015 |
| Form CT-1120X | Amended Corporation Business Tax Return | 01/05/2016 |
| Form CT-1127 | Application for Extension of Time for Payment of Income Tax | 10/14/2015 |
| Form CT-12-717A | Change of Resident Status - Special Accruals Connecticut Surety Bond Form | 11/06/2006 |
| Form CT-12-717A-B | Forms CT-12-717 A and CT-12-717 B Instructions | 08/30/2007 |
| Form CT-12-717B | Change of Resident Status - Special Accruals Other Acceptable Security Form | 11/06/2006 |
| Form CT-19 IT | Title 19 Status Release Form | 10/15/2015 |
| Form CT-2210 | Underpayment of Estimated Income Tax by Individuals, Trusts and Estates (Schedules A & B) | 11/06/2015 |
| Form CT-3911 | Taxpayer Statement Regarding Refund - Use this form to report a lost, stolen or missing refund check | 10/29/2015 |
| Form CT-4852 | Substitute for Forms W-2 and 1099-R | 11/06/2006 |
| Form CT-8379 | Nonobligated Spouse Claim | 10/14/2015 |
| Form CT-8801 | Credit for Prior Year Connecticut Minimum Tax for Individuals, Trusts and Estates | 11/09/2015 |
| Form CT-8822 | Change of Address for Individuals | 12/06/2010 |
| Form CT-8822C | Corporation Business Tax Change of Address | 01/02/2014 |
| Form CT-8857 | Request for Innocent Spouse Relief | 01/21/2015 |
| Form CT-CHET | 2015 Connecticut Higher Education Trust (CHET) 529 College Savings Plan Contribution | 11/03/2015 |
| Form CT-IRF | Insurance Reinvestment Fund Credit | 11/18/2015 |
| Form CT-IT Credit | Schedule CT-IT Credit | 10/22/2015 |
| Form CT-NAICS | NAICS Codes for Principal Business Activity for Connecticut Tax Purposes | 05/07/2004 |
| Form CT-SI | Nonresident or Part-Year Resident Schedule of Income From Connecticut Sources | 10/22/2015 |
| Form CT-UISR | Urban and Industrial Site Reinvestment Credit | 11/18/2015 |
| Form NAA-01 | 2015 Connecticut Neighborhood Assistance Act (NAA) Program Proposal | 03/25/2015 |
| Form NAA-02 | 2015 Connecticut Neighborhood Assistance Act Business Application | 04/15/2015 |
| Form OP-186 | Individual Use Tax Return | 09/18/2015 |
| Schedule CT-EITC | 2015 Connecticut Earned Income Tax Credit | 11/02/2015 |
