Tax Information

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.

Tax Information - Nexus

Business Entity Tax
Corporation Business Tax
Sales and Use Tax
Withholding Tax
Personal Income Tax

Business Entity Tax

IP 2008(26), Q & A on the Business Entity Tax

SN 2006(12), 2006 Legislative Changes Affecting the Business Entity Tax

Corporation Business Tax

IP 2010(20), Business Taxes

Personal Income Tax

Filing Requirements

Sales and Use Taxes

IP 2018(5), Getting Started in Business

Withholding Tax for Connecticut

Employer's Withholding Page

E-mail Questions and Referrals regarding Nexus

Return to Nexus Home Page

Connecticut State Department of Revenue Services