Connecticut State Department of Revenue Services

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)