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.

Other Sales and Use Tax Forms

Name Type Description Revised Date
 Schedule OS-114A  Form & Instr. Schedule for Buy Connecticut Permit Holders  08/2019
 AU-863  Form & Instr. Application for a Buy Connecticut Provision Exemption Permit 08/2019
 AU-526  Form & Instr. Sales and Use Tax Refund Application for Purchases Made Under the Buy Connecticut Provision 02/2018
 AU-463   Motor Vehicle and Vessel Gift Declaration 10/2021
 AU-524  Form & Instr. Assignment of Retailer's Rights for Refund 09/2017
 Resale Certificate  Certificate Sales and Use Tax Resale Certificate 1995
 DRS-O55  Certificate Marketplace Facilitators and Sellers Certificate of Collection 11/2018