Related Rule
Mali
Practice Relating to Rule 4. Definition of Armed Forces
Mali’s Army Regulations (1979) states:
Soldiers in combat must not consider members of the armed forces or volunteer militias, including organized resistance movements, as regular combatants unless they are under a responsible command, wear a distinctive sign, carry arms openly and respect the laws and customs of war. 
Mali, Règlement du Service dans l’Armée, 1ère Partie: Discipline Générale, Ministère de la Défense Nationale, 1979, Article 36(1).