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

2023 Taxpayer Services Special Bulletins

Taxpayer Services Special Bulletin TSSB 2023-1 - Frequently Asked Questions Concerning the Cannabis Tax

Taxpayer Services Special Bulletin TSSB 2023-2 - Frequently Asked Questions Concerning IFTA Filing Requirements for the Periods January of 2023 Through May of 2023

Taxpayer Services Special Bulletin TSSB 2023-3 - Update to OCG-2 Pertaining to the Net Deferred Tax Liability Deduction

Taxpayer Services Special Bulletin TSSB 2023-4 - Prepaid Wireless E 9-1-1 Fee Decreases Effective July 1, 2023