Related Rule
Practice Relating to Rule 50. Destruction and Seizure of Property of an Adversary
Croatia’s Commanders’ Manual (1992) provides: “Destruction not required by the mission … is prohibited.” 
Croatia, Basic Rules of the Law of Armed Conflicts – Commanders’ Manual, Republic of Croatia, Ministry of Defence, 1992, § 18.
Under Croatia’s Criminal Code (1997), “the confiscation of property [and] the unlawful and wanton destruction or large-scale appropriation of property not justified by military necessity” are war crimes. 
Croatia, Criminal Code, 1997, Article 158(1).
Croatia’s Criminal Code (1997), as amended to 2006, states that a war crime is committed by:
Whoever violates the rules of international law in time of war, armed conflict or occupation and orders … [the confiscation of, or] confiscates property or orders that the population’s property be … illegally and wantonly destroyed or its large-scale appropriation where there is no justification by military necessity. 
Croatia, Criminal Code, 1997, as amended to 2006, Article 158(1).