Related Rule
Practice Relating to Rule 54. Attacks against Objects Indispensable to the Survival of the Civilian Population
Section A. Attacks against objects
Togo’s Military Manual (1996) provides: “The following prohibitions shall be respected: … to direct attacks at objects indispensable to the survival of the civilian population, such as: foodstuffs, crops, livestock and reserves of drinking water.” 
Togo, Le Droit de la Guerre, III fascicules, Etat-major Général des Forces Armées Togolaises, Ministère de la Défense nationale, 1996, Fascicule III, p. 12.