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Connecticut State Department of Revenue Services

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  • Current: Sales Tax Information
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Sales Tax Information

Registering Your Business

  • Applying for a Sales Tax Permit (Resale Number)
  • Buying an Existing Business - Tax Clearance
  • Flea Markets/Craft Shows and Fairs
  • Requesting a Duplicate or Corrected Sales Tax Permit

Information on Sales and Use Taxes

  • Getting Started in Business Publication
  • Categorized By Industry Type
  • Common Exemptions
  • Exempt Organizations
  • Taxable Services
  • Business Use Tax
  • Publications to assist you

Sales Tax Forms and Exemption Certificates

  • Sales Tax Forms
  • Resale Certificate
  • Exemption Certificates
  • Purchases by Nonprofit Organizations (Rules for Exemption from Sales Tax)
  • Direct Pay Permit

Filing and Amending Sales Tax Returns

  • Filing a Timely Sales and Use Tax Return
  • File Your Business Tax Return using TSC
  • Amending a Sales and Use Tax Return (How to Get a Refund or Credit for Sales or Use Tax You Paid in Error)
  • IP 2007(23), Disaggregated Sales Tax Report

Renewal of Your Sales Tax Permit

  • Information on Renewing Your Sales Tax Permit

Closing Your Business

  • Canceling a Sales Tax Permit (Closing Your Business)
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