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Peru
Practice Relating to Rule 22. The Principle of Precautions against the Effects of Attacks
Section A. Precautions to protect the civilian population, civilians and civilian objects
Peru’s IHL Manual (2004) states: “Defending forces must minimize civilian casualties to the maximum extent feasible by … taking [all] necessary precautions to protect the civilian population from the dangers of military operations.” 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 30.
Peru’s IHL and Human Rights Manual (2010) states: “Defending forces must minimize civilian casualties to the maximum extent feasible by … taking the necessary precautions to protect the civilian population from the dangers of military operations.” 
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.