HTS classification
Discuss candidate headings, the General Rules of Interpretation, and relevant section or chapter notes.
United States customs research
US customs research assistant
Ask about HTS classification, customs valuation, entry procedures, and current duty treatment. Use the response to organize your research, then confirm the answer against current official sources.
Languages: English and Spanish
Ask a US customs question
Include the product's composition, construction, function, origin, value, and planned entry date when those facts are relevant.
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Useful research starting points
The assistant can help structure a question and identify issues to verify. It does not make binding customs decisions.
Valuation and entry
Research transaction value, additions, documentation, entry types, and agency-specific requirements.
Current duty treatment
Review the base HTS rate and potentially applicable Chapter 99 or trade-remedy measures for the stated facts and date.
Continue your customs research in a workspace
Keep product facts, sources, calculations, and reviewer decisions together.