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The Mexican government has issued a significant reform to the nation's customs regulations, marking a pivotal change for businesses involved in international trade, affecting also the importation of chemicals. The decree, enacted on February 17, 2026, under the leadership of President Claudia Sheinbaum Pardo, brings forward a comprehensive update to the Reglamento de la Ley Aduanera, aimed at streamlining customs processes and enhancing compliance.

The revised regulations introduce a range of amendments, additions, and repeals across multiple sections of the law, addressing various aspects of the nation's customs operations. Among the major changes, the decree introduces new requirements for electronic data processing services and electronic pre-validation services, updates procedures related to the processing of import and export documentation, and outlines enhanced responsibilities for customs agents and legal representatives.

One of the key elements of the reform is the establishment of the Consejo Aduanero (Customs Advisory Council), which is tasked with providing advisory support on customs policies and procedures. This new council is designed to foster better cooperation between public institutions and private stakeholders in the customs sector.

The decree also lays out specific technical requirements for those involved in customs transactions, including the need for companies and legal representatives to adhere to stringent guidelines on the digital processing of documents, including the use of digital seals and electronic signatures. It further introduces new regulations for agencies involved in customs processing, ensuring more rigorous standards for legal compliance.

The updated regulations also place a strong emphasis on transparency and accountability. It includes provisions for the regular publication of records concerning goods donations, destruction of goods, and compliance with environmental and safety standards for hazardous materials. A key provision also addresses the cancellation of authorizations for customs agents and agencies that fail to meet their obligations.

With this reform, the Mexican government aims to enhance the efficiency and security of international trade operations, positioning Mexico as a more competitive player in global commerce. As these new measures are implemented, businesses will need to adapt quickly to the evolving regulatory landscape to remain compliant with the new customs requirements.

The full implementation of the decree will take effect on March 1, 2026, marking the beginning of a new era in Mexico's trade and customs management. The government has set a 30-day deadline for the establishment of the Customs Advisory Council, and businesses will be expected to comply with the new rules immediately thereafter.