NoticeStay informed about coronavirus (COVID-19): Governor Lamont is telling Connecticut residents to "Stay Safe, Stay Home." All non-essential workers are directed to work from home, and social and recreational gatherings of more than five are prohibited.
Taxpayers are strongly encouraged to visit the DRS website for answers to many questions. You may also email DRS at email@example.com. If contacting DRS by phone, please plan for wait times that may be longer than usual. See DRS FAQ's, which now include important information regarding Connecticut sales tax.
Frequently Asked Questions
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.