A. Mail the return to:
Department of Revenue Services
PO Box 5030
Hartford CT 06102-5030
You can also file your sales tax return electronically through our free and secure online filing option. Go to the TSC-BUS for more information.
This answer is intended to provide general information concerning a frequently asked question about a current position, policy, or practice associated with the taxes administered by the Connecticut Department of Revenue Services. It may include an informal interpretation of Connecticut tax law by the Department of Revenue Services (DRS). However, it is not intended to serve as a legal ruling.