MEXICO AGREEMENT (27 April 1991)
II. Judicial system and human rights
1. Agreements on constitutional reforms designed to improve significant aspects of the judicial system and establish mechanisms for safeguarding human rights, such as:
a. Reorganization of the Supreme Court of Justice and a new procedure for the election of Supreme Court judges. Henceforth, a two-thirds majority of deputies elected to the Legislative Assembly shall be required to elect judges to the Supreme Court of Justice.