Importers of HS 9506.99 (other) from Taiwan actually paid 10.8% on the taxed portion of the value in 2026-06 — 10.8% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 4%. Over the window the rate on the taxed portion moved 4.12% → 10.8%, with the largest single step -6.6pp in 2026-04. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 4% — importers actually paid 10.8%, so the trade-war overlay added 6.8 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "9506.99", origin: "Taiwan") · see it at trimtabist.com/tariffs
HS 9506.99. The schedule base rate is 4%; importers from Taiwan actually paid 10.8% 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 4.12% (2023-07) → 10.8% (2026-06), largest single step -6.6pp in 2026-04.
Taiwan's lower duty (10.8% vs 17.59%) lets it price up to 6.1% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $3.1/kg vs $14.1/kg (duty in, freight out).
All goods from Taiwan · the whole tariff ledger · 27 CBP rulings cite this code · reproduce: tariff_story(hs: "9506.99", origin: "Taiwan") via /connect. Not customs or legal advice.