Connecticut State Department of Revenue Services

Holiday Closure: The Department of Revenue Services will be closed on Wednesday, January 1st, a state holiday.

Upcoming CT DRS webinar: Select to register for the upcoming Withholding Forms W-2 and 1099 Annual Filing Webinar on Wednesday, January 15, 2025, at 10:00 a.m.

Partnership Tax Prior Years

In 2004 the partnership return became the Combined composite CT-1065/CT-1120.
Click here to view these returns.