Connecticut State Department of Revenue Services

Walk-in services at all DRS branch office locations remain suspended. Email DRS at drs@po.state.ct.us. Email the Priority One Taxpayer Assistance Program: DRSPriorityOne_CollectionsAssist@po.state.ct.us. Please check our Frequently Asked Questions page.

2009 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 2009 Connecticut Composite Income Tax Return Instructions
12/2009
CT-1065/CT-1120SI
Return
 2009 Connecticut Composite Income Tax Return
12/2009
Supplemental Attachment
Form
 2009 CT-1065/CT-1120SI Supplemental Attachment
12/2009
ALERT
Form
 2009 Transmittal of Schedule CT-K-1, Member's Share of Certain Connecticut Items
8/2010
Schedule CT K-1
Form
 2009 Member's Share of Certain Connecticut Items
12/2009