Connecticut State Department of Revenue Services

Upcoming CT DRS webinar: Select to register for the upcoming Withholding Forms W-2 and 1099 Annual Filing Webinar on Wednesday, January 15, 2025, at 10:00 a.m.

Tax Guides for Businesses

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