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Peru
Practice Relating to Rule 21. Target Selection
Peru’s IHL Manual (2004) states: “Where there is a choice between a number of military objectives and they offer a similar military advantage, the one that is likely to cause the least danger to the civilian population and civilian property should be chosen.” 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 29.l.
Peru’s IHL and Human Rights Manual (2010) states: “Where there is a choice between a number of military objectives and they offer a similar military advantage, the one that, if attacked, is likely to cause the least danger to the civilian population and civilian property should be chosen.” 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 30(l), p. 243.