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Peru
Practice Relating to Rule 88. Non-Discrimination
Section C. Wounded and sick
Peru’s IHL Manual (2004) states:
a. Medical personnel providing medical services in armed conflicts have a duty to respect the principles of medical ethics as in peacetime. They must behave in the following way:
(4) refrain, in the performance of their duties, from any form of discrimination on the grounds of religion, nationality, race, political opinions or social standing;
Medical ethics in armed conflict are the same as in peacetime, taking into account that:
(3) in emergency situations, medical assistance must be provided without discrimination, the only relevant criterion for determining priority of treatment being the degree of medical urgency.
c. …
In accordance with the principle of non-discrimination, there must be no distinction in determining priority of treatment founded on race, political opinion, religion or faith, sex, birth, language, nationality, social standing or wealth, or any other similar criteria. 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 84.a and c; see also § 32.l.
Peru’s IHL and Human Rights Manual (2010) states:
a. Medical personnel providing medical services in armed conflicts have a duty to respect the principles of medical ethics as in peacetime. They must behave in the following way:
(4) refrain, in the performance of their duties, from any form of discrimination on the grounds of religion, nationality, race, political opinion or social standing;
Medical ethics in armed conflict are the same as in peacetime, taking into account that:
(3) in emergency situations, medical assistance must be provided without discrimination
c. … In accordance with the principle of non-discrimination, there must be no distinction in determining priority of treatment founded on race, political opinion, religion or faith, sex, birth, language, nationality, social standing, wealth, or any other similar criterion. 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 75(a) and (c), pp. 273–274; see also § 33(1), p. 251.
Peru’s Decree on the Use of Force by the Armed Forces (2010) states that “persons placed hors de combat by illness [or] wounds … must in all circumstances be treated … without any unfavourable distinction based on race, colour, religion or belief, sex, birth, socio-economic status or any other similar criterion.” 
Peru, Decree on the Use of Force by the Armed Forces, 2010, Article 8.2.1.