Importers of HS 9030.90 (other) from Taiwan actually paid 10.03% on the taxed portion of the value in 2026-06 — 9.08% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is Free. Over the window the rate on the taxed portion moved null% → 10.03%, with the largest single step +8.1pp in 2025-08. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is Free — importers actually paid 10.03%, so the trade-war overlay added 10 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "9030.90", origin: "Taiwan") · see it at trimtabist.com/tariffs
HS 9030.90. The schedule base rate is Free; importers from Taiwan actually paid 10.03% 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 % (2023-07) → 10.03% (2026-06), largest single step +8.1pp in 2025-08.
Taiwan's lower duty (9.08% vs 32.89%) lets it price up to 21.8% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $20.36/kg vs $53.44/kg (duty in, freight out).
All goods from Taiwan · the whole tariff ledger · reproduce: tariff_story(hs: "9030.90", origin: "Taiwan") via /connect. Not customs or legal advice.