Connecticut State Department of Revenue Services

- CT filing, payment deadlines for individual income tax returns extended to May 17th. Read more.

- Please check our 2021 CT Tax Filing Season FAQ's

- Learn more about myconneCT

- Walk-in services at all DRS branch office locations remain suspended.

In an effort to reduce paper and improve efficiencies, all new businesses must now complete Form REG-1, Business Taxes Registration Application, electronically by using the Taxpayer Service Center (TSC). If payment is required, you will also be required to pay the applicable fees electronically at the end of your TSC registration.

You can register for the following tax types using the TSC
 

Name

Type

Description

Revision
Date

REG-1

Electronic Only

License / Permit

Admissions and Dues Tax Certificate /  Business Use Tax /  Cigarette Dealer License
(over the counter sales only)  /  Corporation Business Tax / Dry Cleaning Surcharge
Employer's Withholding Tax / Room Occupancy Permit / Sales and Use Tax Permit / Pre-Paid Wireless Fee / Rental Surcharge / Tourism Surcharge / Unrelated Business Income

N/A

REG-1

Instructions

Instructions for the REG-1, Business Taxes Registration Application

2019
 

For any other tax types, you need to first complete the REG-1 electronically, then submit to DRS the applicable addendum

 

REG-1 Addendum A:

  • Cigarette taxes
  • Tobacco product taxes
  • Electronic Cigarette Products Taxes

REG-1 Addendum B (part of the TSC REG-1 application)

  • Admissions and dues taxes
  • Dry cleaning surcharge
  • Rental surcharge
  • Tourism surcharge

REG-1 Addendum C:

  • Motor fuels tax
  • Petroleum products gross earnings tax

REG-1 Addendum D:

  • Alcoholic beverages tax

REG-1 Addendum E:

  • Bottle Deposit Initiator
  • Certified competitive video service provider companies tax
  • Community antenna television system companies tax
  • Nursing Home Provider
  • Railroad companies tax
  • Satellite companies tax
  • Solid waste assessment
  • Suppliers of natural gas
  • Utility companies tax
REG-3MC  License  2021 Application for Motor Carrier Road Tax Decals  2020
REG-7 License  Certificate of Authority to Collect Connecticut Use Tax  2010
REG-8 Permit
  Farmer Tax Exemption Permit  2020
REG-14 Permit
  2021 Commercial Fisherman Exemption Permit  2021
REG-15 License  Small Winery Certificate  2019
REG-19 License  Low and Moderate Income Housing  2018
REG-20 License  Materialman  2021