Importers of HS 8535.21 (for a voltage of less than 72.5 kv) from Mexico actually paid 11.81% on the taxed portion of the value in 2026-06 — 0.48% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 2.7%. Over the window the rate on the taxed portion moved 2.7% → 11.81%, with the largest single step +23.8pp in 2025-03. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 2.7% — importers actually paid 11.81%, so the trade-war overlay added 9.1 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8535.21", origin: "Mexico") · see it at trimtabist.com/tariffs
HS 8535.21. The schedule base rate is 2.7%; importers from Mexico actually paid 11.81% on the dutiable value in 2026-06 — the trade-war overlay added 9.1 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 2.7% (2023-07) → 11.81% (2026-06), largest single step +23.8pp in 2025-03.
7 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 · reproduce: tariff_story(hs: "8535.21", origin: "Mexico") via /connect. Not customs or legal advice.