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

Business Use Tax Returns

Name
 Description
 Revised Date
 Due Date
OS-114BUT
 Business Use Tax Return 07/2018 Varies
O-88BUT
 Instructions for OS-114BUT 07/2018 N/A