Règle correspondante
France
Practice Relating to Rule 147. Reprisals against Protected Objects
Section D. Objects indispensable to the survival of the civilian population
France’s Disciplinary Regulations (1975), as amended, states: “By virtue of international conventions regularly ratified or approved: … it is prohibited [to soldiers in combat] … to take hostages, to engage in reprisals or collective punishments”. 
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 10 bis (2).
France’s LOAC Manual (2001), in the chapter dealing with means and methods of warfare, states: “The law of armed conflict prohibits … the methods of warfare which consist in the recourse: … to reprisals against non-military objectives”. 
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. 85.
The manual refers, inter alia, to Articles 51–56 of the 1977 Additional Protocol I and states: “Reprisals are prohibited against … objects indispensable to the survival of the civilian population”. 
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. 108.