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. 
 
 
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