DRS: Online filing Methods

Accessing the TSC Online

TSC gives you the ability to:
  • file tax returns; make payments; view your tax account information; register a new business; add additional taxes to an existing business FREE
Looking to Register a Business? Existing TSC Users

If you are starting a new business in Connecticut and have not yet registered
with the Department of Revenue Services, then click on Register Now below.


Use the login buttons below to access the TSC platform you need. Ex. A business owner would enter through the Business platform. Bulk filers would use the Tax Preparer platform.
TSC Resource Information
TSC Troubleshooting