Соответствующая норма
Peru
Practice Relating to Rule 46. Orders or Threats That No Quarter Will Be Given
Peru’s IHL Manual (2004) states: “It is prohibited to order that there shall be no survivors, threaten an adversary therewith or conduct hostilities on this basis.” 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 27.d.(5).
Peru’s IHL and Human Rights Manual (2010) states: “It is prohibited to order that there shall be no survivors, threaten an adversary therewith or conduct hostilities on this basis.” 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 28(d)(5), p. 238; see also § 28(b), p. 43.
Peru’s Code of Military and Police Justice (2006) states:
A member of the military or police shall be imprisoned for a period of no less than eight and no more than 15 years if he or she in the context of an international or non-international armed conflict:
6. As a superior orders or threatens to order that no quarter will be given. 
Peru, Code of Military and Police Justice, 2006, Article 95(6)
Peru’s Military and Police Criminal Code (2010), in a chapter entitled “Crimes involving the use of prohibited methods in the conduct of hostilities”, states:
A member of the military or the police shall be punished with deprivation of liberty of not less than six years and not more than twenty-five years if, in a state of emergency and when the Armed Forces assume control of the internal order, he or she:
6. As a superior orders or threatens to order that no quarter shall be given. 
Peru, Military and Police Criminal Code, 2010, Article 91(6).