The first article allows that sentences imposed in the United States on Mexican nationals may be served in Mexico and that sentences imposed there on U.S. nationals may be served in the United States. Article 2 lists the specific conditions under which prisoner exchanges shall be effected, such as the requirement that the offense for which the offender was convicted and sentenced is one which would also be generally punishable as a crime in the receiving country. The third article provides that each country shall designate an authority to perform the functions covered in the treaty. Article 4 deals with procedures for handling requests for prisoner transfers, while article 5 covers the delivery of prisoners, the completion of sentences, the reimbursement of expenses, the exchange of confinement reports, and the prejudicing of prisoners' civil rights. The sixth article is concerned with jurisdiction, the seventh with duplicate court proceedings in the receiving country, and the eighth with youthful and mentally unsound offenders. Article 9 defines terms used in the treaty. Finally, article 10 explains ratification procedures. A Spanish translation is included. Footnotes are provided.