NOTICE: Taxpayers are strongly encouraged to visit the DRS website for answers to many questions. You may also email DRS at drs@po.state.ct.us. If contacting DRS by phone, please plan for wait times that may be longer than usual. See DRS FAQ's, which now include important information regarding Connecticut sales tax. Frequently Asked Questions

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