Connecticut State Department of Revenue Services

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.

Unrelated Business Tax

Business Returns

Name

Description

Revised
Date

Due
Date

CT-990T

2015 Connecticut Unrelated Business Tax Return

12/2015

CT-990T

Connecticut Unrelated Business Tax Return (Instructions)

12/2015