Connecticut State Department of Revenue Services

Individual Income Tax Filers:  DRS will be holding a webinar on Thursday, March 20, at 10:00 a.m.  This session will provide information for filing 2024 Connecticut income tax returns and helpful tips for electronically filing your Connecticut income tax return.  Select here to register.

 

Unrelated Business Tax

Name Description Revised Date Due Date
CT-990T 2019 Connecticut Unrelated Business Income Tax Return 12/2019
CT-990T - INST. Unrelated Business Income Tax Return(Instructions) 12/2019
CT-990T EXT Application for Extension of Time to File Unrelated Business Income Tax Return 12/2019
CT-990T ES(ESA,ESB,ESC,ESD) 2020 Estimated Unrelated Business Income Tax Payment Coupons 12/2019
CT-990T ES(ESA,ESB,ESC,ESD) 2019 Estimated Unrelated Business Income Tax Payment Coupons 12/2018