Related Rule
Practice Relating to Rule 88. Non-Discrimination
Section A. General
Madagascar’s Military Manual (1994) states that one of the seven fundamental rules of IHL is that “persons placed hors de combat and those who do not take a direct part in hostilities … shall in all circumstances be protected and treated humanely, without any adverse distinction”. 
Madagascar, Le Droit des Conflits Armés, Ministère des Forces Armées, August 1994, p. 91, Rule 1.