Related Rule
Uruguay
Practice Relating to Rule 32. Humanitarian Relief Objects
Uruguay’s Law on Cooperation with the ICC (2006) states:
26.2. … objects affected by the war crimes set out in the present provision are … objects which international law protects in international or internal armed conflict.
26.3. The following are war crimes:
11. Intentionally directing attacks against … installations, material, units or vehicles involved in a humanitarian assistance … mission, as long as they are entitled to the protection granted to … civilian objects under the international law of armed conflict. 
Uruguay, Law on Cooperation with the ICC, 2006, Article 26.2 and 26.3.11.