Connecticut State Department of Revenue Services

NOTICE: DRS offices will be closed Monday, February 18, 2019, in observance of Washington's Birthday

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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