Connecticut State Department of Revenue Services

Sales Tax Holiday - To learn more about this year's Sales Tax Free Week, click here

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

2013 Composite Forms

Name Type  Description  Revised 
CT-1065/CT-1120 SI Booklet 2013 Connecticut Composite Income Tax Return Instructions 01/2014
CT-1065/CT-1120SI Return 2013 Connecticut Composite Income Tax Return 
12/2013
Supplemental Attachment Form 2013 CT-1065/CT-1120SI Supplemental Attachment 
12/2013
CT-1065/CT-1120SI V  Form 2013 Connecticut Electronic Filing Payment Voucher 
12/2013
Form 2013 Transmittal of Schedule CT-K-1, Member's Share of Certain Connecticut Items 
12/2013
Schedule CT K-1 Form 2013 Member's Share of Certain Connecticut Items 
12/2013