On 31 December 2021, the Energy Regulatory Commission published in the Mexican Official Gazette, resolution number RES/550/2021, through which it issued the General Administrative Provisions containing the criteria for efficiency, quality, reliability, continuity, safety and sustainability of the National Electric System: Network Code. This New Network Code modifies the technical requirements whose compliance is mandatory for all users of the National Electric System, i.e., the National Energy Control Center, transporters, distributors, power plants, suppliers and, in particular, all load centers connected at medium and high tension, regardless of their consumption levels.