An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Harmonized Tariff Schedule Codes that May Require Toxic Substances Control Act (TSCA) Section 13 Import Certification

EPA is posting a list of harmonized tariff schedule (HTS) codes to assist importers in identifying regulated composite wood products, component parts fabricated with composite wood products, and finished goods fabricated with composite wood products which may require TSCA Section 13 Import Certification in the U.S. Customs and Border Protection’s (CBP) Automated Commercial Environment/International Trade Data System (ACE-ITDS).

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.