Businesses and Bulk Filers who file, pay and manage the tax types listed below can now create their myconneCT username and begin using myconneCT!
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What do you need to get started and where can you find it? You need your Connecticut Tax Registration Number, legal business name (for sole proprietors: your last name), and TSC PIN number. You can obtain all of this information from inside TSC.
To get started with myconneCT, click here!
IMPORTANT: Due to this transition, the tax types listed above have been disabled in the TSC.
myconneCT & 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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Business Tax Help Page- Troubleshooting