This article describes and analyzes the reforms to the Federal Code of Civil Procedure in the following four areas: (1) application and proof of foreign law; (2) processing of letters rogatory; (3) international cooperation for the taking of evidence, and (4)enforcement of foreign judgments. The first part offers an overview and commentary on the very few provisions Mexico had enacted in the area of international procedural cooperation prior to the 1988 reform. Part two explores the legislative history of the 1988 amendments, emphasizing the objective and purpose of the legislative bills submitted to Congress by the President of Mexico. The third part proceeds to analyze the content of these unprecedented but important legislative changes. The article concludes with a series of final observations.