Importers of HS 1704.90 (other) from Mexico actually paid 18.67% on the taxed portion of the value in 2026-06 — 0% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 5.6%. Over the window the rate on the taxed portion moved 7.03% → 18.67%, with the largest single step +30.6pp in 2025-08. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 5.6% — importers actually paid 18.67%, so the trade-war overlay added 13.1 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "1704.90", origin: "Mexico") · see it at trimtabist.com/tariffs
HS 1704.90. The schedule base rate is 5.6%; importers from Mexico actually paid 18.67% on the dutiable value in 2026-06 — the trade-war overlay added 13.1 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 7.03% (2023-07) → 18.67% (2026-06), largest single step +30.6pp in 2025-08.
Mexico's lower duty (0% vs 40.55%) lets it price up to 40.5% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, Mexico actually lands cheaper — $1.8/kg vs $2.84/kg (duty in, freight out).
5 Chapter-99 measures name Mexico; scope mapping is partial (several annexes are PDFs) — absence never means exemption. They do not sum, and some are product-specific — the collected rate above is the composed truth.
All goods from Mexico · the whole tariff ledger · 4 CBP rulings cite this code · reproduce: tariff_story(hs: "1704.90", origin: "Mexico") via /connect. Not customs or legal advice.