Connecticut State Department of Revenue Services

Individual Income Tax Filers:  DRS will be holding a webinar on Wednesday, April 2, at 10:00 a.m.  This session will provide information for filing 2024 Connecticut income tax returns and helpful tips for electronically filing such returns. Select here to register.

New Businesses:  DRS will be holding a webinar on Wednesday, April 16, at 10:00 a.m. This session will provide an overview of the requirements for registering a new business with DRS. Select here to register.

2025-4, Taxpayer Services Special Bulletin - DRS Provides Filing Season Update Options Available to File Form CT-1065/CT-1120SI and Form CT-PET

2025-5, Taxpayer Services Special Bulletin - Taxpayer Alert 2024 Form CT-1065/CT-1120SI and 2024 Form CT-PET Filing and Payment Initiative