Related Rule
Ukraine
Practice Relating to Rule 2. Violence Aimed at Spreading Terror among the Civilian Population
Ukraine’s IHL Manual (2004) states:
1.3.2. The following methods of warfare shall be prohibited:
- spreading terror among the civilian population.
1.8.5. Serious violations of international humanitarian law directed against people include:
- acts of terror. 
Ukraine, Manual on the Application of IHL Rules, Ministry of Defence, 11 September 2004, §§ 1.3.2 and 1.8.5.
The manual further states that in non-international armed conflict “acts of terrorism” against “persons taking no active part in hostilities” are prohibited. 
Ukraine, Manual on the Application of IHL Rules, Ministry of Defence, 11 September 2004, § 1.4.10.