Highway Use Fee - Registration is now open for certain carriers to register for the new Connecticut Highway Use Fee - Click here for more information.


IMPORTANT INFORMATION - the following tax types are now available in myconneCT: Individual Income Tax, Attorney Occupational Tax, Unified Gift and Estate Tax, Controlling Interest Transfer Tax, and Alcoholic Beverage Tax. - Click here for the latest information.

Corporation Business Tax - Nexus

The nexus criteria for businesses are set forth in Sec.12-214-1 of the Regulations of Connecticut State Agencies. Businesses must register for the corporation business tax by completing the appropriate section of REG-1, Business Taxes Registration Application. There is no fee for registering for the Corporation Business Tax. 

A company, partnership, or S corporation that is not otherwise subject to income taxation or a requirement to file a return in this state under Chapter 208 or Chapter 229 of the Connecticut General Statutes should refer IP 2010 (29.1), Q & A on Economic Nexus, to determine if they are subject to tax in Connecticut

E-mail Questions and Referrals regarding Nexus

Nexus Home Page