Règle correspondante
Practice Relating to Rule 14. Proportionality in Attack
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:
12. Intentionally launching an attack which may be expected to cause incidental loss of life or injury to civilians or persons or damage to civilian objects … which would be clearly excessive in relation to the concrete and direct overall military advantage anticipated. 
Uruguay, Law on Cooperation with the ICC, 2006, Articles 26.2 and 26.3.12.