- NOTE: The Internal Revenue Service (IRS) informed DRS today of a temporary interruption of service for certain tax returns that are filed electronically. DRS is working with the IRS to resolve the issue. We apologize to taxpayers for the inconvenience, and will provide additional updates as soon as available. Thank you.


- Learn more about myconneCT

- Walk-in services at all DRS branch office locations remain suspended.

- Please check our COVID-19 Response FAQ's


2010 Composite Income Tax

All forms and some DRS publications are in Adobe Acrobat format.  Before viewing or printing these documents you will need Adobe Acrobat Reader 7.0 or higher  For additional assistance or if you are have trouble downloading a form, visit our Adobe Information page.

Name Type Description Revised
    
File Electronically for FREE!  Use the TSC-BUS
CT-1065/CT-1120 SI Booklet 2010 Connecticut Composite Income Tax Return Instructions
01/2011
CT-1065/CT-1120SI
Return
2010 Connecticut Composite Income Tax Return
12/2010
Supplemental Attachment
Form
2010 CT-1065/CT-1120SI Supplemental Attachment
12/2010
Form
2010 Transmittal of Schedule CT-K-1, Member's Share of Certain Connecticut Items
12/2010
Schedule CT K-1
ALERT
Form
2010 Member's Share of Certain Connecticut Items
1/14/2011