Related Rule
Practice Relating to Rule 122. Pillage of the Personal Belongings of Persons Deprived of Their Liberty
Peru’s IHL and Human Rights Manual (2010) states:
Military materiel (for example, weapons, ammunition, horses, military equipment and military documents) taken from captured prisoners of war during evacuation becomes war booty and passes into the logistic channels. Personal effects and items for personal use, however, must remain with the captured prisoners of war. 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 100(d), p. 297.
Peru’s Code of Military Justice (1980) provides that despoiling prisoners of war is punishable. 
Peru, Code of Military Justice, 1980, Article 95(5).