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.

This information is not current and is being provided for reference purposes only

Ruling 89-188


This Ruling has been obsoleted by AN 94(3)

The design of industrial wastewater treatment systems, the design of metal finishing process systems, and the non-design effects outlined in your letter are not subject to the Connecticut sales and use tax under section 12-407(2)(i)(F), of the Connecticut General Statutes, as amended by Public Act No. 89-251.


October 31, 1989