Related Rule
Mali
Practice Relating to Rule 14. Proportionality in Attack
Under Mali’s Penal Code (2001), the following constitutes a war crime in international armed conflicts:
intentionally launching an attack in the knowledge that such attack will cause incidental loss of life or injury to civilians or damage to civilian objects … which would be clearly excessive in relation to the concrete and direct overall military advantage anticipated. 
Mali, Penal Code, 2001, Article 31(i)(4).