Connecticut State Department of Revenue Services

HOLIDAY: The Department of Revenue Services will be closed on Thursday, June 19th, a state holiday.

WEBINAR: DRS will be holding a webinar on Wednesday, June 25, 2025, at 10:00 a.m.  This session will provide an overview of the sales and use tax requirements pertaining to Sales and Use Taxes: Selling at Antique Shows, Craft Shows, Fairs, Farmer’s Markets, or Flea Markets. Select here to register.

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