USITC Harmonized Tariff Schedule
US HTS descriptions, hierarchy, units and general rates are derived from the current USITC release used by the classifier.
Current release: 2026 Revision 12 · July 21, 2026
Open the official USITC HTS ↗Tariff data sources and release notes
Every result should be traceable to the destination country's current tariff schedule. These are the primary sources behind Ontonexa's reference data.
CBSA Customs Tariff
Canadian tariff items and MFN guidance are derived from the Canada Border Services Agency's 2026 Customs Tariff.
Current release: T2026 · Effective January 1, 2026
Open the official CBSA tariff ↗Combined Nomenclature and TARIC
EU results use the official 2026 Combined Nomenclature as the base and identify where origin-specific TARIC measures still need verification.
Current release: CN 2026 · Effective January 1, 2026
Open the European Commission CN ↗Important limitation
Official source data does not make an automated result binding. Classification depends on the full product facts, legal notes, origin and entry circumstances. Use the classification methodology to understand how candidates are produced.