Importers of HS 3924.10 (salt, pepper, mustard and ketchup dispensers and similar dis) from Mexico actually paid 6.43% on the taxed portion of the value in 2026-06 — 0.18% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 3.4%. Over the window the rate on the taxed portion moved 4.38% → 6.43%, with the largest single step +14.9pp in 2025-03. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 3.4% — importers actually paid 6.43%, so the trade-war overlay added 3 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "3924.10", origin: "Mexico") · see it at trimtabist.com/tariffs
HS 3924.10. The schedule base rate is 3.4%; importers from Mexico actually paid 6.43% on the dutiable value in 2026-06 — the trade-war overlay added 3 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 4.38% (2023-07) → 6.43% (2026-06), largest single step +14.9pp in 2025-03.
5 Chapter-99 measures name Mexico; 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 Mexico · the whole tariff ledger · 36 CBP rulings cite this code · reproduce: tariff_story(hs: "3924.10", origin: "Mexico") via /connect. Not customs or legal advice.