Соответствующая норма
Mexico
Practice Relating to Rule 5. Definition of Civilians
Mexico’s IHL Guidelines (2009) states: “Non-combatants include, in addition to the civilian population, civilians who accompany the armed forces without actually being members of them, such as civilian members of military aircraft crews, war correspondents, supply contractors, etc.” 
Mexico, Cartilla de Derecho Internacional Humanitario, Ministry of National Defence, 2009, § 14(m).