Related Rule
Denmark
Practice Relating to Rule 52. Pillage
Denmark’s Military Criminal Code (1973), as amended in 1978, provides:
24. Any person who, for the purpose of obtaining for himself or for others an unlawful gain by taking advantage of fear of war, commits one of the acts mentioned in section 288(1)(1–3) of the civil criminal code shall be punishable for robbery.
25. … Any person who uses war instruments or procedures the application of which violates an international agreement entered into by Denmark or the general rules of international law, shall be liable to the same penalty [i.e. a fine, lenient imprisonment or up to 12 years’ imprisonment]. 
Denmark, Military Criminal Code, 1973, as amended in 1978, §§ 24 and 25.
Denmark’s Military Criminal Code (2005) provides:
36. …
2. Any person who deliberately uses war means [“krigsmiddel”] or procedures the application of which violates an international agreement entered into by Denmark or international customary law, shall be liable to the same penalty [i.e. imprisonment up to life imprisonment].
37. Punishment by imprisonment for up to six years for plundering shall be imposed on any person who for the purpose of obtaining for himself or for others an unlawful gain by taking advantage of fear of war or fear of the forces to which the person in question belongs, deliberately
1) takes or steals from anybody a movable object that is not his;
2) brings a stolen object to safety; or
3) forces anybody to an act or omission which will lead to loss of property for the person attacked or for anybody on whose behalf such a person is acting.
2. The punishment can be extended to ten years’ imprisonment when the plundering is of a particularly grave nature, mainly because of its particularly dangerous nature, the way it is committed, or the extent of the benefit gained or intended, or when a large number of crimes have been committed. 
Denmark, Military Criminal Code, 2005, §§ 36(2) and 37.