Prior years composite

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A period of extremely frigid temperatures is forecast to impact Connecticut between the afternoon of Saturday, December 21, through Tuesday, December 24. Governor Lamont is activating the state's severe cold weather protocol during this period. To locate a shelter or warming center in Connecticut, call 2-1-1 or visit 211ct.org.

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.

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.

Connecticut State Department of Revenue Services

Composite Income Tax Returns Prior Years