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.

2012 Composite Tax Returns

Name Type Description Revised
    
File Electronically for FREE!  Use the TSC-BUS
CT-1065/CT-1120 SI Booklet 2012 Connecticut Composite Income Tax Return Instructions
01/2013
CT-1065/CT-1120SI
Return
 2012 Connecticut Composite Income Tax Return
01/2013
Supplemental Attachment
Form
 2012 CT-1065/CT-1120SI Supplemental Attachment
01/2013
CT-1065/CT-1120SI V Form 2012 Connecticut Electronic Filing Payment Voucher
03/2013
Form
 2012 Transmittal of Schedule CT-K-1, Member's Share of Certain Connecticut Items
01/2013
Form
 2012 Member's Share of Certain Connecticut Items
01/2013