Importers of HS 6403.99 (footwear made on a base or platform of wood) from Brazil actually paid 19.65% on the taxed portion of the value in 2026-06 — 19.65% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 8%. Over the window the rate on the taxed portion moved 9.59% → 19.65%, with the largest single step -35.8pp in 2026-03. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 8% — importers actually paid 19.65%, so the trade-war overlay added 11.6 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "6403.99", origin: "Brazil") · see it at trimtabist.com/tariffs
HS 6403.99. The schedule base rate is 8%; importers from Brazil actually paid 19.65% on the dutiable value in 2026-06 — the trade-war overlay added 11.6 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 9.59% (2023-07) → 19.65% (2026-06), largest single step -35.8pp in 2026-03.
Brazil's lower duty (19.65% vs 25.71%) lets it price up to 5.1% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $15.34/kg vs $33.42/kg (duty in, freight out).
8 Chapter-99 measures name Brazil; 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 Brazil · the whole tariff ledger · 1 CBP ruling cite this code · reproduce: tariff_story(hs: "6403.99", origin: "Brazil") via /connect. Not customs or legal advice.