Importers of HS 8714.91 (valued over $600 each) from Taiwan actually paid 12.06% on the taxed portion of the value in 2026-06 — 12.02% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 3.9%. Over the window the rate on the taxed portion moved 3.9% → 12.06%, with the largest single step -9pp in 2026-03. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 3.9% — importers actually paid 12.06%, so the trade-war overlay added 8.2 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8714.91", origin: "Taiwan") · see it at trimtabist.com/tariffs
HS 8714.91. The schedule base rate is 3.9%; importers from Taiwan actually paid 12.06% on the dutiable value in 2026-06 — the trade-war overlay added 8.2 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 3.9% (2023-07) → 12.06% (2026-06), largest single step -9pp in 2026-03.
Taiwan's lower duty (12.02% vs 38.23%) lets it price up to 23.4% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $35.41/kg vs $60.97/kg (duty in, freight out).
15 Chapter-99 measures name Taiwan; scope mapping is partial (several annexes are PDFs) — absence never means exemption. They do not sum, and some are product-specific — the collected rate above is the composed truth.
All goods from Taiwan · the whole tariff ledger · 1 CBP ruling cite this code · reproduce: tariff_story(hs: "8714.91", origin: "Taiwan") via /connect. Not customs or legal advice.