Importers of HS 4203.21 (other) from Thailand actually paid 14.82% on the taxed portion of the value in 2026-06 — 14.82% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 4.9%. Over the window the rate on the taxed portion moved 4.9% → 14.82%, with the largest single step -9.1pp in 2026-03. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 4.9% — importers actually paid 14.82%, so the trade-war overlay added 9.9 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "4203.21", origin: "Thailand") · see it at trimtabist.com/tariffs
HS 4203.21. The schedule base rate is 4.9%; importers from Thailand actually paid 14.82% 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 4.9% (2023-07) → 14.82% (2026-06), largest single step -9.1pp in 2026-03.
Thailand's lower duty (14.82% vs 38.85%) lets it price up to 20.9% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $57.83/kg vs $72.42/kg (duty in, freight out).
All goods from Thailand · the whole tariff ledger · reproduce: tariff_story(hs: "4203.21", origin: "Thailand") via /connect. Not customs or legal advice.