Resources and Reference Materials:
- Modifications to the HTS – sources of changes to the HTSUpdated!
- HTS Archive – prior editions of the HTS (CSV, XLS and JSON)Updated!
- Quick Statistics on the HTS (The HTS Item Count)
- Frequently Asked Questions (FAQS) about Tariff Classification, the Harmonized Tariff Schedule, Importing, and Exporting
- Other Frequently Asked Questions About Tariffs
- Interactive HTS Training
- Ask Us a Question
- About the Office of Tariff Affairs and Trade Agreements