Connecticut State Department of Revenue Services

Child Tax Rebate - A new child tax rebate was recently authorized by the Connecticut General Assembly. The Department of Revenue Services to hold Live Virtual Event about the 2022 Child Tax Rebate on July 7, 2022, Click here to learn more.

Gas Tax - For updated information on the Suspension of the Motor Fuels Tax click here

Sales tax relief for sellers of meals: - Click here for updated information

myconneCT - Learn more about myconneCT

Information for Businesses

  1. Starting a Business?
  2. File & Pay Online
  3. Reset/Change Admin Business Password
  4. Business Tax Help
  5. Sales & Use Tax
  6. Corporation Business Tax
  7. Unrelated Business Tax
  8. Withholding Tax

More for Businesses

  1. Amend a business return
  2. Business Tax Payment Options
  3. Calendar of Due Dates
  4. CERC - CT Economic Resource Center
  5. Change Business Address
  6. Change Business Name
  7. Change Business Structure
  8. Close a business
  9. e-Services Information
  10. File a protest
  11. Forms & Instructions
  12. Obtain tax clearance - business only
  13. Obtain status letter
  14. Attorney Occupational Tax
  15. Report a lost or stolen check
  16. Sales & Use Tax Filing information