Related Rule
France
Practice Relating to Rule 46. Orders or Threats That No Quarter Will Be Given
France’s Disciplinary Regulations (1975), as amended in 1982, provides that, under international conventions, it is prohibited “to declare that no quarter will be given”. 
France, Règlement de Discipline Générale dans les Armées, Decree No. 75-675 of 28 July 1975, replacing Decree No. 66-749, completed by Decree of 11 October 1978, implemented by Instruction No. 52000/DEF/C/5 of 10 December 1979, and modified by Decree of 12 July 1982, Ministère de la Défense, Etat-Major de l’Armée de Terre, Bureau Emploi, Article 9 bis (2).
France’s LOAC Summary Note (1992) states: “It is prohibited to order that there shall be no survivors or prisoners and to threaten the enemy therewith.” 
France, Fiche de Synthèse sur les Règles Applicables dans les Conflits Armés, Note No. 432/DEF/EMA/OL.2/NP, Général de Corps d’Armée Voinot (pour l’Amiral Lanxade, Chef d’Etat-major des Armées), 1992, § 4.5.
France’s LOAC Teaching Note (2000) states: “It is prohibited to order that there shall be no survivors.” 
France, Fiche didactique relative au droit des conflits armés, Directive of the Ministry of Defence, 4 January 2000, annexed to the Directive No. 147 of the Ministry of Defence of 4 January 2000, p. 2.
France’s LOAC Manual (2001) provides: “It is prohibited to order that there shall be no survivors, to threaten an adversary therewith or to conduct hostilities on this basis.” 
France, Manuel de droit des conflits armés, Ministère de la Défense, Direction des Affaires Juridiques, Sous-Direction du droit international humanitaire et du droit européen, Bureau du droit des conflits armés, 2001, p. 103.
France’s Code of Defence (2004), as amended in 2008, states: “It is prohibited to order that there shall be no survivors or to threaten the adversary therewith.” 
France, Code of Defence, 2004, as amended in 2008, Article D4122-9.
France’s Penal Code (1992), as amended in 2010, states in its section on war crimes common to both international and non-international armed conflicts: “Ordering that there shall be no survivors or threatening the adversary therewith is punishable by life imprisonment.” 
France, Penal Code, 1992, as amended in 2010, Article 461-8.