Connecticut State Department of Revenue Services

WEBINAR: DRS will be holding a webinar on Wednesday, June 25, 2025, at 10:00 a.m.  This session will provide an overview of the sales and use tax requirements pertaining to Sales and Use Taxes: Selling at Antique Shows, Craft Shows, Fairs, Farmer’s Markets, or Flea Markets. 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