القاعدة ذات الصلة
Serbia
Practice Relating to Rule 7. The Principle of Distinction between Civilian Objects and Military Objectives
Section C. Attacks against civilian objects in general
Serbia’s Criminal Code (2005) states that ordering or committing an attack on “civilian … settlements”, in violation of international law, constitutes a war crime. 
Serbia, Criminal Code, 2005, Article 372(1).