Related Rule
Norway
Practice Relating to Rule 50. Destruction and Seizure of Property of an Adversary
Norway’s Military Penal Code (1902), as amended in 1981, punishes “anyone who, without necessity, destroys or damages foreign property”, as well as “anyone who contravenes or is accessory to the contravention of provisions relating to the protection of persons or property laid down in … the Geneva Conventions of 12 August 1949”. 
Norway, Military Penal Code, 1902, as amended in 1981, §§ 103 and 108(a).
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 … destroys, seizes or confiscates property on a large scale, unless this is strictly necessary for the purpose of waging war/imperatively demanded by the necessities of war. 
Norway, Penal Code, 1902, as amended in 2008, § 104(b).
Norway’s Act on the Punishment of Foreign War Criminals (1946) states:
Confiscation of property, requisitioning, imposition of contributions, illegal imposition of fines, and any other form of economic gain illegally acquired by force or threat, are deemed to be crimes against the Civil Criminal Code. 
Norway, Act on the Punishment of Foreign War Criminals, 1946, Article 2.