Importers of HS 9801.00 (other, except articles excluded by u.s. note 1(c) of this su) from Mexico actually paid 0% on the taxed portion of the value in 2026-06 — 0% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is A duty (in lieu of any other duty or tax) equal to the sum of any duty and internal- revenue tax imposed upon the importation of like articles not previously exported, but in no case in excess of the sum of (a) any customs drawback proved to have been allowed upon such exportation of the article, and (b) any internal- revenue tax imposed, at the time such article is entered, upon the importation of like articles not previously exported. Over the window the rate on the taxed portion moved null% → 0%, with the largest single step +16.5pp in 2024-12. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. Collected 0% against an HTS base of A duty (in lieu of any other duty or tax) equal to the sum of any duty and internal- revenue tax imposed upon the importation of like articles not previously exported, but in no case in excess of the sum of (a) any customs drawback proved to have been allowed upon such exportation of the article, and (b) any internal- revenue tax imposed, at the time such article is entered, upon the importation of like articles not previously exported. Reproduce exactly: tariff_story(hs: "9801.00", origin: "Mexico") · see it at trimtabist.com/tariffs
HS 9801.00. The schedule base rate is A duty (in lieu of any other duty or tax) equal to the sum of any duty and internal- revenue tax imposed upon the importation of like articles not previously exported, but in no case in excess of the sum of (a) any customs drawback proved to have been allowed upon such exportation of the article, and (b) any internal- revenue tax imposed, at the time such article is entered, upon the importation of like articles not previously exported; importers from Mexico actually paid 0% on the dutiable value in 2026-06. Measured, not modelled.
Over the window the collected rate moved % (2023-07) → 0% (2026-06), largest single step +16.5pp in 2024-12.
Mexico's lower duty (0% vs 0%) lets it price up to 0% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, Mexico actually lands cheaper — $6.64/kg vs $8.1/kg (duty in, freight out).
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 · 7 CBP rulings cite this code · reproduce: tariff_story(hs: "9801.00", origin: "Mexico") via /connect. Not customs or legal advice.