Federal Constitution of the United Mexican States (1824)
Mode of judging the Members of the Supreme Court.
Article 139. To judge the members of the supreme court, the chamber of deputies shall elect every two years, in the first month of their ordinary session, and voting by states, twenty-four individuals, not members of congress, and possessing the qualifications of the members of the supreme court. From these shall be chosen by lot a fiscal, and a number of judges equal to the first chamber of the court, and when it is necessary, the chamber of deputies, and, in the recess, the council of government, shall elect in the same manner the other chambers (salas).