Connecticut State Department of Revenue Services

NEW Highway Use Fee - Registration is now open for certain carriers to register for the new Connecticut Highway Use Fee - Click here for more information.

IMPORTANT INFORMATION - the following tax types are now available in myconneCT: Individual Income Tax, Attorney Occupational Tax, Unified Gift and Estate Tax, Controlling Interest Transfer Tax, and Alcoholic Beverage Tax. - Click here for the latest information.

Information for Businesses

  1. Admissions & Dues Tax
  2. Alcoholic Beverage Tax
  3. Athletes & Entertainers Withholding Tax
  4. Attorney Occupational Tax
  5. Captive Insurance Tax
  6. Cigarette Tax
  7. Controlling Interest Tax
  8. Corporation Business Tax
  9. Dry Cleaning Establishment
  10. E-Cigarette Tax
  11. Foreign Insurance Tax
  12. Gross Earnings Tax
  13. Health Care Center Tax
  14. Highway Use Fee
  15. Insurance Premiums
  16. Motor Vehicle Tax
  17. Nonpayroll Withholding Tax
  18. Pass-Through Entity Tax
  19. Pre-Paid Wireless Fee
  20. Rental Surcharge
  21. Room Occupancy Tax
  22. Sales & Use Tax
  23. Seasonal, Household and Agricultural Withholding Tax
  24. Tobacco Products Tax
  25. Tourism Surcharge Tax
  26. Transportation Network Company Fee
  27. Unrelated Business Tax
  28. Withholding Tax