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.

Prior Year's Unrelated Business Income Tax Forms

Form Name
 Description
 Revised Date
CT-990T
 2024 Connecticut Unrelated Business Income Tax Return 12/2024
CT-990T - Inst.
 Unrelated Business Income Tax Return (Instructions) 12/2024
CT-990T EXT
 Application for Extension of Time to File Unrelated Business Income Tax Return 12/2024
CT-990T ES(ESA,ESB,ESC,ESD)
 2025 Estimated Unrelated Business Income Tax Payment Coupons
 12/2024

CT-990T ES(ESA,ESB,ESC,ESD)

 2024 Estimated Unrelated Business Income Tax Payment Coupons
 12/2023