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Immediate Regulatory Change for All Products Exporting to Mexico

Learn what’s changing, such as the requirement that a new HS code must be provided to move through customs.

El angel de Independencia, Mexican landmark

November 17, 2020

Mexican authorities on Nov. 17, 2020, published new requirements that add a two-digit tax code onto the base product HS code. In addition, authorities changed some of the eight-digit base codes. 

This impacts manufactures in two ways:


  • Current certificates with base code and certifications registered under UL’s Equivalency Agreement (EA) will not change and will remain valid until they expire.
  • Current certificates whose base code does not change and do not expire will remain valid in perpetuity. 
  • You must provide customs with import paperwork reflecting the proper new 10-digit HTS code.
  • You must provide customs a HTS code correlation table as part of the import paperwork. The table may be found here:

Starting Dec. 28, 2020:

This change brings into alignment the HS code system for Mexico with the U.S. and Canada. 

As always, UL is here to help guide you through regulatory changes and answer your questions.