Related Rule
Mexico
Practice Relating to Rule 117. Accounting for Missing Persons
Mexico’s Army and Air Force Manual (2009) states: “[A]s soon as circumstances permit and, at the latest, when hostilities have ended, the parties to the conflict should search for persons reported missing by an adverse party”. 
Mexico, Manual de Derecho Internacional Humanitario para el Ejército y la Fuerza Área Mexicanos, Ministry of National Defence, June 2009, § 204.
The manual also states that a “series of rules [included in the 1977 Additional Protocol I] concerns the duty to search for the missing”. 
Mexico, Manual de Derecho Internacional Humanitario para el Ejército y la Fuerza Área Mexicanos, Ministry of National Defence, June 2009, § 274.
Mexico’s Army and Air Force Manual (2009) states: “[A]s soon as circumstances permit and, at the latest, when hostilities have ended, the parties to the conflict should search for persons reported missing by an adverse party and transmit all relevant information concerning such persons in order to facilitate the search.” 
Mexico, Manual de Derecho Internacional Humanitario para el Ejército y la Fuerza Área Mexicanos, Ministry of National Defence, June 2009, § 204.
Mexico’s Army and Air Force Manual (2009) states: “Families have the right to know what has become of their relatives.” 
Mexico, Manual de Derecho Internacional Humanitario para el Ejército y la Fuerza Área Mexicanos, Ministry of National Defence, June 2009, § 204.