Research

HTS lookup, CROSS ruling search, and tariff-change alerts.

HTS and HS code lookup
Use the HTS code lookup to find the right US HTSUS 10-digit or UK CDS 10-digit code, and the harmonised HS-6 across 220+ jurisdictions.
2 min read · Updated 2026-08
Searching CROSS rulings
Search the CBP CROSS ruling corpus for binding classification, valuation, or origin rulings that anchor your own classification decisions.
2 min read · Updated 2026-08
Subscribing to tariff-change alerts
Set an alert on a specific HTSUS code, a chapter, or a country tariff regime. Get an email when the rate changes, a CBP CSMS lands, or a new ruling publishes.
2 min read · Updated 2026-08

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