Importers of HS 2912.29 (other) from Japan actually paid 15.37% on the taxed portion of the value in 2026-06 — 15.37% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 5.5%. Over the window the rate on the taxed portion moved null% → 15.37%, with the largest single step +15.5pp in 2025-06. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 5.5% — importers actually paid 15.37%, so the trade-war overlay added 9.9 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "2912.29", origin: "Japan") · see it at trimtabist.com/tariffs
HS 2912.29. The schedule base rate is 5.5%; importers from Japan actually paid 15.37% on the dutiable value in 2026-06 — the trade-war overlay added 9.9 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved % (2023-07) → 15.37% (2026-06), largest single step +15.5pp in 2025-06.
Japan's lower duty (15.37% vs 40.44%) lets it price up to 21.7% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, Japan actually lands cheaper — $10.5/kg vs $12.02/kg (duty in, freight out).
12 Chapter-99 measures name Japan; 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 Japan · the whole tariff ledger · reproduce: tariff_story(hs: "2912.29", origin: "Japan") via /connect. Not customs or legal advice.