RESOURCES

GUIDE TO USING THE NORTH AMERICAN FREE TRADE AGREEMENT (NAFTA):

Before you begin to fill out the NAFTA Certificate of Origin form you should have the following information:

  • Determine when to use (Export.gov) Certificate of Origin (Form 434)
  • Have the exporter's tax identification number* and address
  • Have the producer's tax identification number and address
  • Have the importer's tax identification number and address
  • Find your HS classification number (Export.gov)
  • Determine your preference criterion (Export.gov)
  • Have the producer's tax identification number and address

With this information you can fill out the Certificate of Origin using the NAFTA Interactive Tool (Export.gov).

What is the Tax Identification Number?
 

  • Canada: the employer number of importer/exporter assigned by the Canada Customs and Revenue Agency;
  • Mexico: the federal taxpayers registry number (RFC);
  • United States: the employers identification number or Social Security Number.