The Commercial Code of Mexico, originally published in the Official Journal of the Federation on October 7, 1889, stands as a cornerstone of the nation's commercial legal framework. This foundational document has undergone various reforms, with the last significant update published in the DOF on January 27, 2011, which introduced the "Commercial Trial" section. Understanding its initial structure, particularly the First Book, Preliminary Title, First Title (Merchants), and Title Two (Obligations Common to all Those Who Profess to Trade), is crucial for anyone navigating the Mexican business landscape. This comprehensive analysis delves into these fundamental sections, providing a detailed overview of what constitutes commercial acts, who is legally considered a merchant, and the essential obligations that bind all individuals and entities engaged in trade within Mexico. From the historical decree by President Porfirio Díaz to the modern electronic Public Registry of Co...