Legal briefings

The new Internal Regulations of the National Energy Commission (CNE) represent a structural shift in Mexico’s energy regulatory model, consolidating functions and redefining its institutional relationship with the Ministry of Energy...

The Mexican Social Security Institute (IMSS) has requested that the Tax Administration Service (SAT) definitively cancel digital seal certificates for employers deemed unreachable, potentially triggering significant operational consequences...

The new Regulations of the Public Center for Alternative Dispute Resolution Mechanisms of the Federal Court of Administrative Justice represent a historic step toward modernizing administrative and tax justice in Mexico...

A new bill to reform Mexico’s Federal Economic Competition Law could dramatically reshape the country’s competition regime, introducing structural changes, tougher penalties, and a new regulatory authority...

The new legal framework for public procurement in Mexico, published in April 2025, brings a profound transformation to how the public sector acquires goods, services and executes public works...

The recent changes in the 2025 Operational Inspection Guidelines present challenges and opportunities for companies, setting new criteria that impact oversight and compliance processes...

The National Water Commission (CONAGUA) has launched the Unified Digital Portal for Water Procedures, a platform aimed at streamlining the management of national water concessions and assignments. This initiative seeks to simplify administrative proc...

On March 13, 2025, the decree amending various provisions of the Amparo Law was published in the Official Gazette of the Federation. This reform aims to align the Amparo Law with the recent Judicial Reform and introduces key changes to the operation...

Pérez-Llorca Mexico reviews the recent publication of the new legislative framework for the hydrocarbon sector, which redefines the regulatory and operational foundations of this key industry in Mexico...

On March 14, 2025, the new Internal Regulations of the Secretariat of Environment and Natural Resources (SEMARNAT) were published in the Official Gazette of the Federation. This update marks a significant change in SEMARNAT’s structure and operations...

On March 18, 2025, the Official Gazette of the Federation published a new legislative package that redefines the electricity sector in Mexico. This reform represents a significant shift in the regulatory and operational framework, with major implicat...

INFONAVIT Issues Clarifying Criterion on Article 29 Amendment, Providing Greater Certainty for Employers...