NOTE—to see whether notification thresholds in Mexico and throughout the world are met, see further: Where to Notify. 1. Have there been any recent developments regarding the Mexican merger control regime and are any updates/developments expected in the coming year? Are there any other ‘hot’ merger control issues in Mexico? There have been significant recent developments in the Mexican merger control regime, including amendments to the applicable law and the creation of a new competition authority. The relevant law is the Federal Economic Competition Law 2015 (Ley Federal de Competencia Económica, Competition Law 2015), as amended through a reform published in the Official Gazette on 16 July 2025, which entered into force on 17 July 2025 (Publicación DOF 16 de julio de 2025 Edición Vespertina, Amendment 2025). The Amendment 2025 establishes the National Antitrust Commission (Comisión Nacional Antimonopolio, CNA) as the new competition authority, to which the powers and functions previously exercised by the Federal Economic Competition Commission (Comisión Federal de Competencia Económica, COFECE) and the Federal Telecommunications