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Legal briefing

Administrative Streamlining of Environmental Impact Assessment Procedures

08/04/2026

On April 1, 2026, the Ministry of Environment and Natural Resources (SEMARNAT) published an agreement introducing administrative simplification measures in environmental impact matters, aimed at reducing regulatory burdens, streamlining procedures, and standardizing requirements without modifying the technical substance of environmental assessments.

The agreement introduces a comprehensive reconfiguration of environmental impact assessment procedures through the merger of Environmental Impact Statement (MIA) modalities, a significant reduction in requirements, and the elimination of unified forestry procedures. It also consolidates exemption and non-requirement requests into a single procedure, shortens resolution timelines, and establishes new official formats and guidelines for MIA submissions.

Additional adjustments include modifications to procedures such as project amendments, transfer of authorizations, and waivers, incorporating tools such as comparative impact matrices. While these measures simplify administrative management and promote digitalization through the future Electronic Environmental Window, the technical substance of environmental assessments remains governed by the existing framework of the General Law on Ecological Balance and Environmental Protection and its regulations.

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