In August 2026 Mexico’s Ministry of Economy published in the Diario Oficial de la Federación (DOF) an Agreement amending the Agreement establishing the General Rules and Criteria on Foreign Trade. Coordinated by the Ministry’s General Directorate of Trade Facilitation and Foreign Trade (DGFCCE), it took effect the day after publication. Through this amendment the normative references in Annex 2.4.1 of the Foreign Trade Rules and Criteria were updated, formally bringing four recently issued official Mexican energy efficiency standards within the scope of import entry control.

What the new rules cover

The four standards are: NOM-004-ENER-2025, applicable to electric pump units and electric pumps for clear water pumping, covering equipment from 1/5 to 2 horsepower; NOM-011-ENER-2025, applicable to central, packaged and split air conditioners, covering ducted systems with cooling capacities from 5,275 W to 19,050 W and specifying minimum seasonal energy efficiency ratio (REEE2) limits and labelling requirements; NOM-014-ENER-2025, applicable to single-phase AC motors; and NOM-016-ENER-2025, applicable to three-phase AC motors, specifying minimum energy efficiency values for asynchronous motors from 0.746 kW to 373 kW. Alongside the edition change, the agreement adjusts the relevant tariff codes: because submersible pumps no longer fall within the scope of the new pump standard, code 8413.60.01 was removed from the Annex, while motor codes such as 8501.51.02 and 8501.51.99 were expressly added to facilitate customs supervision.

As for transitional arrangements, the agreement maintains recognition of currently valid product certificates and sets a transition period consistent with the transitional provisions of each NOM-ENER. Valid certificates issued under the earlier editions NOM-004-ENER-2014, NOM-011-ENER-2006, NOM-014-ENER-2004 and NOM-016-ENER-2016 before the new editions entered into force may continue to be used on the terms in force at the time of issue until they expire. In addition, under Mexico’s Quality Infrastructure Law the former Integrated System for Standardisation and Conformity Assessment (SINEC) will be replaced by the Integrated Technical Platform for Quality Infrastructure (PLATIICA), a digital window that will centrally manage the register of accredited laboratories, calibration verification, test result reports and information on certification bodies recognised under international agreements.

Export advice

China is an important source of pumps, air conditioners, motors and other electrical and mechanical products for Mexico. Exporters should follow the edition changes affecting the four energy efficiency standards, assess their products against the new efficiency limits, test methods and labelling requirements, and complete certification renewal in an orderly manner within the transition period — so that customs clearance and market access are not affected by expired certificates or non-compliance with the new requirements.

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