Taxpayer Services Center (TSC-BUS)
IMPORTANT: The TSC will be unavailable this weekend,
Sunday, August 2nd, between 11:00 a.m. and 1:00 p.m.
DRS will be conducting planned system upgrades during this time.
We apologize for any inconvenience this may cause and remind you that
the TSC allows you to file early and pay later.
Simply change the date of your payment at the time of filing
to any date up to the due date.
File Returns, Make Payments, Update Information and More
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.
Ready to begin? Click "Continue" to go to the Login Page