Industrial Policy & Trade Monitor· 2666 actions· ✨ 90 recent

Decree reforming various tariff fractions of the General Import and Export Duties Tariff (TIGIE), published in the Diario Oficial de la Federación on 29 December 2025 and in force 1 January 2026. The reform, approved by Congress as a statutory amendment to the LIGIE (Chamber of Deputies and Senate, Dec 2025) and signed by President Claudia Sheinbaum, raises MFN import duties to between 5% and 50% ad valorem on 1,463 tariff lines covering more than 20 chapters of the TIGIE, spanning automotive, auto parts, textiles, apparel, footwear, steel, aluminum, plastics, paper, leather, furniture, glass, toys, appliances and cosmetics. The increases apply only to goods originating in countries without a free trade agreement with Mexico — principally China, South Korea, India, Vietnam, Thailand, Brazil, Indonesia, Chinese Taipei, the UAE, and South Africa. The decree formalises at statutory level the September 2024 Sheinbaum executive order placing a 50% duty on finished passenger vehicles from non-FTA states and is framed by the Secretaría de Economía and SHCP as the operational tariff instrument of Plan México (2025-01-21).

Mexico's Ley de Comercio Exterior (Foreign Trade Act, LCE), published in the Diario Oficial de la Federación on 27 July 1993 and entering into force 28 July 1993, is the foundational statute governing Mexico's entire external trade regulatory architecture. The LCE establishes the legal authority for the SECOFI/SE-administered antidumping (AD), countervailing duty (CVD), and safeguard investigation regime (Titles V–VII); the TIGIE tariff-schedule and tariff-classification framework; the IMMEX maquila and PROSEC sectoral-promotion programs; rules of origin for USMCA and other preferential trade agreements; and Mexico's export- licensing and strategic-material restriction framework. The LCE has been amended repeatedly through 2021 and remains the overarching parent authority for all Mexican trade-remedy proceedings administered by UPCI (Unidad de Prácticas Comerciales Internacionales) under the Secretaría de Economía.

The Tariff Act of 1930 (Pub. L. 71-361, 46 Stat. 590, codified principally at 19 U.S.C. Chapter 4) is the foundational US statute governing customs revenue, tariff classification, and trade-remedy administration, signed by President Hoover on 17 June 1930. The Act's original Smoot-Hawley tariff schedules are widely cited as a contributing factor to the contraction of global trade during the Great Depression, but the statute's enduring significance lies in its creation of (i) the Title VII antidumping (AD) and countervailing duty (CVD) proceedings framework administered jointly by Commerce ITA and the USITC — the parent authority for every US AD/CVD order in force today — and (ii) Section 337 (19 U.S.C. §1337), the USITC unfair-import and IP-exclusion-order regime under which ~50+ active investigations are conducted annually against semiconductor, biotech, electronics, and other technology imports. Title I's customs-valuation and HTSUS tariff- classification framework underpins all US import-revenue collection; Title VII AD/CVD authority was updated by the GATT Tokyo Round Trade Agreements Act of 1979 and the Uruguay Round Agreements Act of 1994 (URAA) to align with WTO Antidumping and Subsidies Agreements.