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

Prior Years Sales Tax Return

Name Type Description Revised
 OS-114  Form Sales and Use Tax Return 07/2021 
 O-88  Instructions Instructions for OS-114  07/2021