Related Rule
Cameroon
Practice Relating to Rule 64. Conclusion of an Agreement to Suspend Combat with the Intention of Attacking by Surprise the Adversary Relying on It
Cameroon’s Disciplinary Regulations (1975) provides that, under the laws and customs of war, it is prohibited “to fire at, injure or kill an enemy … with whom a suspension of combat has been concluded”. 
Cameroon, Règlement de discipline dans les Forces Armées, Décret No. 75/700, 6 November 1975, Article 32.
Cameroon’s Disciplinary Regulations (2007) states:
Article 32: Prohibitions
It is prohibited to soldiers in combat:
- to fire at, injure or kill an enemy who surrenders or who is captured or with whom a suspension of combat has been concluded. 
Cameroon, Règlement de discipline générale dans les forces de défense, Décret N° 2007/199, Président de la République, 7 July 2007, Article 32.