Croatia
Practice Relating to the Use of Prohibited Weapons
Under Croatia’s Criminal Code (1997), the manufacture, improvement, production, stockpiling, offering for sale, purchase, interceding in purchasing or selling, possession, transfer, transport, use of, and order to use, “means or methods of combat prohibited by the rules of international law” are war crimes. 
Croatia, Criminal Code, 1997, Article 163(1) and (2).
Croatia’s Criminal Code (1997), as amended in 2006, imposes a criminal sanction on:
(1) Whoever makes or improves, produces, stores, offers for sale or buys, or intercedes in a purchase or sale, possesses, transfers, or transports … [the] means of combat prohibited by the rules of international law …
(2) Whoever, at a time of war or armed conflict, orders the use of … the means or methods of combat prohibited by the rules of international law, or whoever uses such weapons, means or methods. 
Croatia, Criminal Code, 1997, as amended in June 2006, Article 163(1) and (2).