Règle correspondante
Practice Relating to Rule 77. Expanding Bullets
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:
27. Employing bullets which expand or flatten easily in the human body, such as bullets with a hard envelope which does not entirely cover the core or is pierced with incisions. 
Uruguay, Law on Cooperation with the ICC, 2006, Article 26.2 and 26.3.27.