Connecticut State Department of Revenue Services

Sales Tax Holiday - To learn more about this year's Sales Tax Free Week, click here

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

Tax Guides for Businesses

  1. IP 2018(5), Getting Started in Business
  2. For up-to-date new business information visit New Business Information Site
  3. Status Letters
  4. IP 2009(13), Sales and Use Taxes Guide for Manufacturers, Fabricators, and Processors
  5. IP 2018(2), Building Contractors' Guide to Sales and Use Taxes
  6. Online Guide to Connecticut Business Tax Credits
  7. DRS-045, Can I Be Held Personally Liable For Payment of Business-Related Taxes?