Importers of HS 2103.90 (other) from Korea, South actually paid 13.12% on the taxed portion of the value in 2026-06 — 13.12% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 6.4%. Over the window the rate on the taxed portion moved 6.4% → 13.12%, with the largest single step +5pp in 2025-05. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 6.4% — importers actually paid 13.12%, so the trade-war overlay added 6.7 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "2103.90", origin: "Korea, South") · see it at trimtabist.com/tariffs
HS 2103.90. The schedule base rate is 6.4%; importers from South Korea actually paid 13.12% on the dutiable value in 2026-06 — the trade-war overlay added 6.7 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 6.4% (2023-07) → 13.12% (2026-06), largest single step +5pp in 2025-05.
Korea, South's lower duty (13.12% vs 30.25%) lets it price up to 15.1% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $1.48/kg vs $3.54/kg (duty in, freight out).
All goods from South Korea · the whole tariff ledger · 6 CBP rulings cite this code · reproduce: tariff_story(hs: "2103.90", origin: "South Korea") via /connect. Not customs or legal advice.