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.

Sales and Use Tax Returns

Filers of Form OS-114BUT must now use Form OS-114

File electronically on myconneCT

Name
 Description
 Revised Date Due Date
OS-114 Sales and Use Tax Return 02/2022  Varies
O-88 Instructions for OS-114 07/2022 N/A

Tax Chart

Name
 Description
 Revised Date
 Due Date
OR-149  Sales and Use Tax Rate Chart  11/2019 N/A

Other Sales Tax Forms