Соответствующая норма
Cameroon
Practice relating to Rule 66. Non-Hostile Contacts between the Parties to the Conflict
Section C. Definition of parlementaires
Cameroon’s Disciplinary Regulations (1975) states: “Any person who advances without weapons and displaying the white flag shall be considered as a parlementaire.” 
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.