Related Rule
Practice Relating to Rule 28. Medical Units
Portugal’s Penal Code (1996) provides:
A person who, in violation of rules or principles of general or common international law, in time of war, armed conflict or occupation, destroys or damages, without military necessity, … institutions dedicated to … humanitarian purposes, shall be punished by a prison sentence of between three and ten years. 
Portugal, Penal Code, 1996, Article 242.