On June 3, 2025, the Mexican Ministry of Economy published a decree in the Diario Oficial de la Federacion establishing the mandatory requirement of the Automatic Export Notice (Aviso Automático de Exportación) for 30 specific tariff codes classified under Chapters 22, 71, 84, 85, 90, and 94 of the MX Harmonized Tariff Schedule. Starting June 4, any exporter, including those operating under programs such as IMMEX, must request the Notice for each export pedimento that includes any of the listed tariff codes. The authority has ten business days, counted from the day after the submission of a complete request, to issue the Notice corresponding to each tariff code listed in the pedimento.
Due to the short implementation period, the decree raised concerns among exporters regarding potential delays in clearance and the added administrative burden of this new requirement. In response to these concerns, that same day the federal government granted a grace period through July 7, 2025, and
