Related Rule
Ecuador
Practice Relating to Rule 157. Jurisdiction over War Crimes
Ecuador’s Naval Manual (1989) states: “International law … provides that belligerent States have the right to punish enemy armed forces personnel and enemy civilians who fall under their control for such offences.” 
Ecuador, Aspectos Importantes del Derecho Internacional Marítimo que Deben Tener Presente los Comandantes de los Buques, Academia de Guerra Naval, 1989, § 6.2.5.
Ecuador’s Code of Criminal Procedure (2000) provides that the following persons fall under the jurisdiction of Ecuador: “Ecuadorians or foreign nationals who commit offences against international law or offences under international conventions or treaties which are in force, provided that such persons have not been prosecuted in another State.” 
Ecuador, Code of Criminal Procedure, 2000, Article 18(6).