Related Rule
Practice Relating to Rule 13. Area Bombardment
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:
38. Launching attacks by using weapons and methods of combat that do not allow to distinguish between military and non-military objectives or between combatants and persons such as, for example, the area bombardment of towns. 
Uruguay, Law on Cooperation with the ICC, 2006, Article 26.2 and 26.3.38 .