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.

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.