Importers of HS 6405.90 (other) from Vietnam actually paid 21.47% on the taxed portion of the value in 2026-06 — 21.45% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 12.5%. Over the window the rate on the taxed portion moved 12.12% → 21.47%, with the largest single step -7.4pp in 2026-02. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 12.5% — importers actually paid 21.47%, so the trade-war overlay added 9 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "6405.90", origin: "Vietnam") · see it at trimtabist.com/tariffs
HS 6405.90. The schedule base rate is 12.5%; importers from Vietnam actually paid 21.47% on the dutiable value in 2026-06 — the trade-war overlay added 9 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 12.12% (2023-07) → 21.47% (2026-06), largest single step -7.4pp in 2026-02.
Vietnam's lower duty (21.45% vs 22.36%) lets it price up to 0.7% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $12/kg vs $18.45/kg (duty in, freight out).
All goods from Vietnam · the whole tariff ledger · 1 CBP ruling cite this code · reproduce: tariff_story(hs: "6405.90", origin: "Vietnam") via /connect. Not customs or legal advice.