HOLIDAY - The Department of Revenue Services will be closed on Monday, October 10, 2022, a state holiday.


IMPORTANT INFORMATION - the following tax types are now available in myconneCT: Individual Income Tax, Attorney Occupational Tax, Unified Gift and Estate Tax, Controlling Interest Transfer Tax, and Alcoholic Beverage Tax. - Click here for the latest information.

2016 Composite Income Tax

Name

Revised
Date

Due
Date

CT-1065/CT-1120 SI

2016 Connecticut Composite Income Tax Return -BOOKLET

01/2017

CT-1065/CT-1120SI

2016 Connecticut Composite Income Tax Return

12/2016

Supplemental Attachment

2016 CT-1065/CT-1120SI Supplemental Attachment

01/2017

CT-1065/CT-1120SI EXT

2016 Application for Extension of Time to File Connecticut Composite Income Tax Return

01/2017

CT-K-1T

2016 Transmittal of Schedule CT-K-1, Member's Share of Certain Connecticut Items

01/2017

Schedule CT K-1

2016 Member's Share of Certain Connecticut Items

12/2016

CT-AIT

Angel Investor Tax Credit

02/2017