Czech Republic
Practice Relating to the Use of Prohibited Weapons
The Czech Republic’s Criminal Code (1961), as amended in 1999, punishes “any person who develops, produces, imports, possesses or stockpiles weapons, combat equipment or explosives prohibited by law or by an international treaty approved by the Parliament or otherwise disposes of them”. 
Czech Republic, Criminal Code, 1961, as amended in 1999, Article 185a(1).
It also punishes “whoever in time of war or in combat … orders the use of a forbidden means of combat or material, or who uses such means or material”. 
Czech Republic, Criminal Code, 1961, as amended in 1999, Article 262(1)(a).