Importers of HS 9202.90 (valued not over $100 each, excluding the value of the case) from Mexico actually paid 14.6% on the taxed portion of the value in 2026-06 — 0.02% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 4.5%. Over the window the rate on the taxed portion moved null% → 14.6%, with the largest single step +33.7pp in 2025-09. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 4.5% — importers actually paid 14.6%, so the trade-war overlay added 10.1 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "9202.90", origin: "Mexico") · see it at trimtabist.com/tariffs
HS 9202.90. The schedule base rate is 4.5%; importers from Mexico actually paid 14.6% on the dutiable value in 2026-06 — the trade-war overlay added 10.1 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved % (2023-07) → 14.6% (2026-06), largest single step +33.7pp in 2025-09.
Mexico's lower duty (0.02% vs 20%) lets it price up to 20% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, Mexico actually lands cheaper — $8.03/kg vs $18.25/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 · reproduce: tariff_story(hs: "9202.90", origin: "Mexico") via /connect. Not customs or legal advice.