A Decree was published earlier today in the Official Journal of the Federation, introducing amendments, additions, and repeals to several provisions of the Regulations to the Mexican Customs Law. Among the most relevant changes are modifications related to the documentary support requirements for Electronic Customs Valuation Declarations (in Spanish, the Manifestación de Valor Electrónica

Following the amendment to Mexico’s Customs Law published on November 19, 2025 (effective as of January 1, 2026), compliance obligations of importers and exporters in Mexico have increased significantly, particularly with respect to substantiation and traceability of international trade transactions.

Under this reform, companies operating in Mexico must maintain sufficient legal, operational, and financial support

Nearly one year after the amendments to Mexico’s Federal Labor Law concerning rest periods during the workday, popularly referred to as the “Chair Law”, came into effect, the compliance landscape for employers in Mexico has changed dramatically. If 2025 was the year of physical adjustments, when many companies mistakenly equated compliance with simply purchasing chairs

On January 16, 2026, an amendment to the Civil Code for the State of Nuevo León was published, pursuant to which new provisions were added to regulate real estate practices related to “pre-sale” offers, a mechanism widely used in the residential development market.

In recent years, the practice known as “pre-sale” has proliferated in Nuevo

Mexico’s Tax Administration Service (“SAT”) recently published Notice 01/2026, announcing a series of “best practices” that, at least on their face, seek to provide greater transparency, legal certainty, and uniformity in tax audit procedures throughout Mexico during 2026.

Among the most relevant announcements are: (i) the publication of the 2026 Master Plan, “Taxpayer Assistance and

Overview

Mexico’s Federal Revenue Law for fiscal year 2026 (the “Law”) once again incorporates a capital repatriation incentive, offering preferential tax treatment for the return of funds held abroad. While this represents a meaningful opportunity, experience from prior years shows that its proper application requires careful planning, solid documentation, and precise execution to avoid future

On December 12, 2025, the Office of the President of Mexico published in the Official Journal of the Federation a Decree amending Article 76 Bis of the Mexican Federal Consumer Protection Law, which adds Sections VIII and IX regarding the cancellation of subscriptions and memberships with recurring charges (the “Decree”).

Through this Decree, the Mexican

On December 27, 2025, the General Rules of Foreign Trade for 2026 (RGCE 2026) were published in the Federal Official Gazette (DOF), together with their corresponding annexes. These new provisions come into force on January 1, 2026, and will remain effective through December 31, 2026, unless otherwise provided in the transitory articles. This bulletin presents

On December 10, 2025, the Mexican Senate approved the “Decree Amending Various Tariff Lines of the Mexican General Import and Export Tax Law” (hereinafter, the “Reform”), which had previously been proposed and approved by the Mexican House of Representatives. The Reform will enter into force on January 1, 2026.

The Reform modifies the tariff rates

The year 2025 ends with high levels in Mexico’s political temperature. Among other developments, three stand out: (i) a march attributed to Generation Z, young people supposedly dissatisfied with the government of President Claudia Sheinbaum; (ii) the resignation of the Attorney General of the Republic, Alejandro Gertz Manero; and (iii) the reappearance of former President