Related Rule
Uruguay
Practice Relating to Rule 54. Attacks against Objects Indispensable to the Survival of the Civilian Population
Uruguay’s Law on Cooperation with the ICC (2006) states:
26.2. Persons and objects affected by the war crimes set out in the present provision are persons and objects which international law protects in international or internal armed conflict.
26.3. The following are war crimes:
36. Attacking, destroying, removing or rendering useless objects indispensable for the survival of the civilian population (supplies, livestock, drinking water installations, etc.). 
Uruguay, Law on Cooperation with the ICC, 2006, Article 26.2 and 26.3.36.