Règle correspondante
Peru
Practice Relating to Rule 145. Reprisals
Section A. Definition and purpose of reprisals
Peru’s IHL Manual (2004) states:
Reprisals consist of giving a warning (military action) or putting pressure on the enemy to force it to stop committing unlawful acts of war and respect international humanitarian law.
(1) Reprisals are a reaction to a violation of international humanitarian law committed by the enemy, the purpose of which is to put a stop to the violation. 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 25.c.(1).
Peru’s IHL and Human Rights Manual (2010) states:
Reprisals consist of giving a warning (military action) or putting pressure on the enemy to force it to stop committing unlawful acts of war and to respect international humanitarian law.
(1) Reprisals are a reaction to a violation of international humanitarian law committed by the enemy, the purpose of which is to put a stop to the violation. 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 29(c)(1), p. 234.