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Peru
Practice Relating to Rule 115. Disposal of the Dead
Section F. Respect for and maintenance of graves
Peru’s IHL Manual (2004) states: “The gravesites of the dead must be respected and properly maintained, wherever they are.” 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 68.b.
Peru’s IHL and Human Rights Manual (2010) states: “The gravesites of the dead must be respected and properly maintained, wherever they are.” 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 69(b), p. 269.