Connecticut State Department of Revenue Services

Webinar Alert: DRS has rescheduled its Sales and Use Tax Webinar on Janitorial Services and Maintenance Services to Wednesday, September 3, 2025, at 10:00 a.m. To register for this event, simply click here!

Prior years Pass-Through Entity Tax Forms

Composite Income Tax Returns Prior Years

Prior to 2004 the Combined composite CT-1065/CT-1120 was the partnership return.

Click here to view prior years for the CT-1065 returns.