Connecticut State Department of Revenue Services

DRS will be holding a webinar on Wednesday, May 14, 2025, at 10:00 a.m.  This session will provide an overview of the sales and use tax requirements pertaining to swimming pool installation, repair, cleaning and maintenance services.  Select here to register.

Unrelated Business Tax

Name  Description  Revised Date  Due Date 
CT-990T 2018 Connecticut Unrelated Business Income Tax Return  12/2018  
CT-990T - INST. Unrelated Business Income Tax Return (Instructions)  12/2018  
CT-990T EXT Application for Extension of Time to File Unrelated Business Income Tax Return  12/2018  
CT-990T ES (ESA,ESB,ESC,ESD)  2019 Estimated Unrelated Business Income Tax Payment Coupons  12/2018  
CT-990T ES (ESA,ESB,ESC,ESD) 2018 Estimated Unrelated Business Income Tax Payment Coupons  12/2017