Open Source Content Management

On March 3, 2026, the Decree amending sections IV and XI of part “A” of article 123 of the Political Constitution of the United Mexican States in order to reduce the workweek (the “Decree”), was published in the evening edition of the Federal Official Gazette and entered into force on the day of its publication.

On February 27, 2026, a judicial precedent was published in the Federal Judicial Gazette (Semanario Judicial de la Federación), declaring that the provision of the Policies and Guidelines for the Development of Due Diligence in Petróleos Mexicanos, its Subsidiary Production Companies and, where applicable, Affiliated Companies, in matters of Corporate Ethics and Integrity (Políticas y Lineamientos para el Desarrollo de la Debida Diligencia en Petróleos Mexicanos, sus Empresas Productivas Subsidiarias y, en su caso, Empresas Filiales, en materia de Ética e Integridad Corporativa) (“Pemex’s Policies”), which prevented Pemex from entering into new contracts with individuals or companies that had a pending lawsuit against Pemex and its companies, is unconstitutional because it violates the principles of legality and legal certainty.

On February 16, 2026, the "Decree granting a tax incentive to film and audiovisual production" (the "Decree") was published in the Official Gazette of the Federation ("DOF"). The objective of the Decree is to encourage the realization of film and audiovisual productions in national territory through a transferable tax credit scheme, with a global annual cap of up to 400 million pesos, in force until September 30, 2030.

On January 28, 2026, the “Guidelines for Mixed-Development Schemes of the State-Owned Public Enterprise, Federal Electricity Commission” (the “Guidelines”) were published in the Official Gazette of the Federation (“DOF”) and were issued by the Federal Electricity Commission (“CFE”).

On January 15, 2026, a Decree was published in the Federal Official Gazette amending several laws, including the Federal Labor Law, to strengthen actions that ensure the principle of gender equality, as well as to prevent and eradicate discrimination and violence against women, which entered into force on the day after its publication.

On January 20th, 2026, the new General Law on the Circular Economy (“LGEC”), as well as several reforms to the General Law on Ecological Balance and Environmental Protection (“LGEEPA”) and the General Law on Waste Prevention and Comprehensive Management (“LGPGIR”) entered into force to establish a clear legal framework that promotes a circular economy in Mexico.

On January 9th, 2026, the National Institute of Statistics and Geography (INEGI) published in the Official Federal Gazette (DOF) the updated daily, monthly and annual values of the Measurement and Updating Unit (UMA), with an increase of 3.69%. These new values will come into effect on February 1st. 2026.

Von Wobeser bolsters its dispute resolution, antitrust, tax and compliance practices with the promotion of four new partners

Von Wobeser y Sierra completes transition to new offices: a strategic investment in the firm’s future

This document provides an overview of the most recent legislative reforms in the hydrocarbons sector, offering a concise and up-to-date synopsis of the regulatory changes that have impacted this industry. This note compiles and describes the most relevant developments, presented in chronological order to facilitate their understanding and analysis.