Related Rule
Norway
Practice Relating to Rule 33. Personnel and Objects Involved in a Peacekeeping Mission
Norway’s Penal Code (1902), as amended in 2008, states:
Any person is liable to punishment for a war crime who in connection with an armed conflict … directs an attack against personnel, installations, material, medical units or vehicles involved in a … peacekeeping mission in accordance with the Charter of the United Nations, as long as they are entitled to the protection given to civilians or property/civilian objects under international law. 
Norway, Penal Code, 1902, as amended in 2008, § 105(a).