Importers of HS 4409.10 (wood continuously shaped along any of its ends, whether or n) from Vietnam actually paid 10% on the taxed portion of the value in 2026-06 — 10% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 3.2%. Over the window the rate on the taxed portion moved 3.78% → 10%, with the largest single step +20pp in 2025-10. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 3.2% — importers actually paid 10%, so the trade-war overlay added 6.8 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "4409.10", origin: "Vietnam") · see it at trimtabist.com/tariffs
HS 4409.10. The schedule base rate is 3.2%; importers from Vietnam actually paid 10% on the dutiable value in 2026-06 — the trade-war overlay added 6.8 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 3.78% (2023-07) → 10% (2026-06), largest single step +20pp in 2025-10.
Vietnam's lower duty (10% vs 32.14%) lets it price up to 20.1% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, Vietnam actually lands cheaper — $1.19/kg vs $1.27/kg (duty in, freight out).
All goods from Vietnam · the whole tariff ledger · 4 CBP rulings cite this code · reproduce: tariff_story(hs: "4409.10", origin: "Vietnam") via /connect. Not customs or legal advice.