Related Rule
Mexico
Practice Relating to Rule 100. Fair Trial Guarantees
Section N. Non bis in idem
Mexico’s Army and Air Force Manual (2009), in a section on the 1949 Geneva Convention III, states: “Judicial procedure must be regular, that is, it must include at least the following guarantees: … The prisoner cannot be punished more than once for the same act or on the same charge, if it is based on the same law and the same judicial procedure.” 
Mexico, Manual de Derecho Internacional Humanitario para el Ejército y la Fuerza Área Mexicanos, Ministry of National Defence, June 2009, § 191.
In a section on the obligations of the occupying power under the 1949 Geneva Convention IV, the manual also states:
Judicial procedure must be regular, that is, it must include at least the following guarantees:
e. judgement must be pronounced in the presence of the accused, who may not be punished more than once for the same act or on the same charge if based on the same law and the same judicial procedures. 
Mexico, Manual de Derecho Internacional Humanitario para el Ejército y la Fuerza Área Mexicanos, Ministry of National Defence, June 2009, § 238(C)(e).