Related Rule
France
Practice Relating to Rule 32. Humanitarian Relief Objects
France’s Code of Defence (2004), as amended in 2008, states:
Combatants must respect … all persons protected by the applicable international conventions, as well as their objects.
… The … objects used in a humanitarian assistance mission … are … protected as long as they are entitled to the protection given to … civilian objects under the law of armed conflicts. 
France, Code of Defence, 2004, as amended in 2008, Article D4122-8.
France’s Penal Code (1992), as amended in 2010, states in its section on war crimes common to both international and non-international armed conflicts:
Intentionally launching attacks against the installations, material, units and vehicles employed in a humanitarian relief mission … , as long as they are entitled to the protection given to civilian and civilian objects under the international law of armed conflict, is punishable by 20 years’ imprisonment. 
France, Penal Code, 1992, as amended in 2010, Article 461-12, para. 2.