Importers of HS 9506.91 (articles and equipment for general physical exercise, gymnas) from Vietnam actually paid 14.6% on the taxed portion of the value in 2026-06 — 14.6% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 4.6%. Over the window the rate on the taxed portion moved 4.6% → 14.6%, with the largest single step +7.7pp in 2025-09. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 4.6% — importers actually paid 14.6%, so the trade-war overlay added 10 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "9506.91", origin: "Vietnam") · see it at trimtabist.com/tariffs
HS 9506.91. The schedule base rate is 4.6%; importers from Vietnam actually paid 14.6% on the dutiable value in 2026-06 — the trade-war overlay added 10 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 4.6% (2023-07) → 14.6% (2026-06), largest single step +7.7pp in 2025-09.
Vietnam's lower duty (14.6% vs 21.99%) lets it price up to 6.4% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $1.49/kg vs $3.12/kg (duty in, freight out).
All goods from Vietnam · the whole tariff ledger · 11 CBP rulings cite this code · reproduce: tariff_story(hs: "9506.91", origin: "Vietnam") via /connect. Not customs or legal advice.