Related Rule
Cameroon
Practice Relating to Rule 67. Inviolability of Parlementaires
Cameroon’s Disciplinary Regulations (1975) provides that, under the laws and customs of war, a “parlementaire enjoys an absolute immunity and it is prohibited to attack him or retain him prisoner”. 
Cameroon, Règlement de discipline dans les Forces Armées, Décret No. 75/700, 6 November 1975, Article 30.
Cameroon’s Disciplinary Regulations (2007) states:
Article 30: Definition
Any person who advances without weapons and displaying the white flag shall be considered a parlementaire; he enjoys an absolute immunity and it is prohibited to attack him or retain him prisoner. 
Cameroon, Règlement de discipline générale dans les forces de défense, Décret N° 2007/199, Président de la République, 7 July 2007, Article 30.