Connecticut Department of Revenue Services

Sep 24, 2026

Access the Connecticut Department of Revenue Services here.

The Connecticut Department of Revenue Services is the state agency responsible for administering tax laws and regulations in Connecticut. They work to ensure compliance with state tax requirements and provide resources and assistance to taxpayers.

Agency Accounts

Connecticut Pass-Through Entity Tax Account

Access your online account via myconneCT.

The Connecticut Pass-Through Entity Tax Account allows you to set up and manage the following information:

  • Pass-Through Entity Account ID

Connecticut Corporation Business Tax Account

Access your online account via myconneCT.

The Connecticut Corporation Business Tax Account allows you to set up and manage the following information:

  • Corporation Business Tax Account Number

Connecticut Sales Tax Account

Access your online account via myconneCT.

The Connecticut Sales Tax Account allows you to set up and manage the following information:

  • Sales Tax Account Number

Connecticut Withholding Tax Account

Access your online account via myconneCT.

The Connecticut Withholding Tax Account allows you to set up and manage the following information:

  • Tax Registration Number (Withholding Tax)

Find out more on how to stay compliant with the Connecticut Department of Revenue Services:

Zero payroll penalties, zero distractions.

Agencies in Connecticut

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