Taxpayer Service Center TSCBUS

NOTICE: All DRS offices will be closed on Monday, January 21st, in observance of Martin Luther King Jr. Day. We will reopen on Tuesday, January 22nd.

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Taxpayer Services Center (TSC-BUS)

File Returns, Make Payments, Update Information and More

Businesses that have a Connecticut Tax Registration Number (CT REG) can use the Taxpayer Service Center (TSC-BUS) to file, pay and view business tax transactions and to update the business's account information.

Business Tax Help Page- Troubleshooting
First-Time TSC Business User? (Click for help in setting up your account)
Sign up for TSC-BUS E-alerts
Pay a bill or make a payment electronically
Credit Card Payments for Business Taxes
Macintosh Users
Information on filing Forms W-2 and 1099 Electronically
Calendar of due dates

Ready to begin? Access the Login Page

Connecticut State Department of Revenue Services

Taxpayer Services Center (TSC-BUS)