Section 301 China Additive Tariff Rate Screener
Screens imported Chinese goods HTS codes against Section 301 punitive tariff lists (Lists 1-4A additional 7.5% or 25% duties).
Notice: engineering verification utility. Use test or de-identified data and verify results independently before relying on them.
How it works
Standard: USTR Section 301 China Tariff Actions (15 CFR)
Formula: Lookup HTS code prefix against Section 301 Chinese origin add-on rates
Checks: Valid 10-digit HTS code and country of origin
Calculated locally in browser memory; nothing leaves your browser.
Deterministic local-first client-side execution. Provided as-is without warranty.