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.

Ruling 89-176, Engineering

Scientific engineering or physics - scientist services performed by a licensed professional engineer are generally exempt from sales and use tax. Therefore, scientific engineering services that involve optical laboratory engineering work on test equipment for scientific instrument mirrors are not subject to sales and use tax.


October 30, 1989