Règle correspondante
Peru
Practice Relating to Rule 23. Location of Military Objectives outside Densely Populated Areas
Peru’s IHL Manual (2004) states: “Defending forces must minimize civilian casualties to the maximum extent feasible by … avoiding the location of military objectives within or near densely populated areas”. 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 30; see also §§ 97.e, 107.a and 107.b.
The manual also states: “Where there is a choice between a number of defensive positions and they offer a similar military advantage, the position chosen must be the one likely to cause the least danger to the civilian population and civilian objects.” 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 30.p.
The manual further states that “it is prohibited to fire mortars from areas with a high concentration of civilians”. 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 26.g.(3).
Peru’s IHL and Human Rights Manual (2010) states: “Defending forces must minimize civilian casualties to the maximum extent feasible by … avoiding the location of military objectives within or near densely populated areas”. 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 31, p. 245.
The manual also states: “Where there are tactically similar alternatives, the defensive position chosen must be the one likely to cause the least danger to civilians and civilian objects.” 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 57, p. 425.
The manual further states: “Military groups, except for medical ones, must preferably be located outside inhabited zones if their presence, even if only temporary, could put civilians and civilian objects at risk.” 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 98(a), p. 196.