The Department of Revenue Services will be closed on Monday, July 4, 2022, a state holiday.


Child Tax Rebate - A new child tax rebate was recently authorized by the Connecticut General Assembly. The Department of Revenue Services to hold Live Virtual Event about the 2022 Child Tax Rebate on July 7, 2022, Click here to learn more.

Gas Tax - For updated information on the Suspension of the Motor Fuels Tax click here

Sales tax relief for sellers of meals: - Click here for updated information

myconneCT - Learn more about myconneCT


2010 Composite Income Tax

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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