Summary
Details
- Mexico
Mandatory for projects and activities within scope under federal competence.
Exceptions include projects outside listed categories, activities under state jurisdiction, and cases where impacts are not significant under criteria defined by law and regulation. Determinations should be documented to mitigate enforcement disputes.
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What’s Required
For projects under federal jurisdiction, the EIA regulation imposes a structured compliance pathway:
Determine whether EIA authorisation is required: Developers must assess whether the project/activity is within the regulated list and federal competence, triggering submission of a Manifestación de Impacto Ambiental (MIA) in the required modality.
Prepare the MIA: The MIA must include project description, baseline conditions, impact identification, mitigation measures, monitoring plans, and risk management components as required by the regulation and guidance. Developers must ensure completeness and internal consistency.
Public consultation and information management: The regulation provides for public participation mechanisms in defined cases, requiring developers to manage disclosures and respond to requests or clarifications via the competent authority.
Respond to information requests: Authorities can request additional information; compliance requires timely responses with evidence-quality technical documentation and updated impact analyses where needed.
Comply with authorisation conditions: Once granted, EIA approvals contain binding conditions. Developers must implement mitigation, monitoring, environmental management plans, and reporting commitments within specified timelines. Non-compliance can jeopardise project operation.
Change management: Material project changes may require amendment procedures or new submissions, depending on the nature of modifications. Firms should implement internal controls for “permit change triggers.”
Important Deadlines
Regulation publication and maintenance: The EIA regulation is a federal instrument maintained through official repositories, with compliance timelines embedded in procedural steps and resolution deadlines.
Project-specific milestones: Deadlines for submission, response to information requests, and compliance with conditions are set in the authority’s procedures and the approval resolution.
Current Status
In force as the central procedural regulation for federal EIA authorisations.
Penalties for Non-Compliance
Non-compliance can lead to:
administrative sanctions, suspension, or closure of non-authorised activities,
cancellation or revocation of approvals where conditions are breached,
remediation obligations and increased enforcement scrutiny.
Examples of Known Violations
project initiation before authorization,
incomplete MIAs (missing baseline data, cumulative impacts, alternatives analysis),
failure to implement mitigation and monitoring conditions,
unreported project modifications that change the impact profile.
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