Connecticut State Department of Revenue Services

HOLIDAY: The Department of Revenue Services will be closed on Monday, May 26th, a state holiday.

WEBINAR: DRS will be holding a webinar on Wednesday, June 11, 2025, at 10:00 a.m.  This session will provide an overview of the sales and use tax requirements pertaining to landscaping services and related outdoor services.  Select here to register

Form Name
 Description
 Revised Date
CT-990T
 2022 Connecticut Unrelated Business Income Tax Return 12/2022
CT-990T - Inst.
 Unrelated Business Income Tax Return (Instructions) 12/2022
CT-990T EXT
 Application for Extension of Time to File Unrelated Business Income Tax Return 12/2022
CT-990T ES(ESA,ESB,ESC,ESD)
 2023 Estimated Unrelated Business Income Tax Payment Coupons
 12/2022

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

 2022 Estimated Unrelated Business Income Tax Payment Coupons
 12/2021