Related Rule
Cameroon
Practice Relating to Rule 84. The Protection of Civilians and Civilian Objects from the Effects of Incendiary Weapons
Cameroon’s Instructor’s Manual (1992) restates the definition of incendiary weapons found in Article 1 of the 1980 Protocol III to the Convention on Certain Conventional Weapons and, with reference to Article 2 of the Protocol, states: “The only restrictions applicable to such arms concern their use against non-military objectives, against the environment and against military objectives located in areas of civilian concentration.” 
Cameroon, Droit international humanitaire et droit de la guerre, Manuel de l’instructeur en vigueur dans les Forces Armées, Présidence de la République, Ministère de la Défense, Etat-major des Armées, Troisième Division, Edition 1992, pp. 123–124, § 441.
Cameroon’s Instructor’s Manual (2006) replicates the definition of incendiary weapons in Article 1 of the 1980 Protocol III to the Convention on Certain Conventional Weapons. It further states:
The only restrictions applicable to such weapons concern their use against non-military objectives [civilian objects] …, against the environment and against military objectives situated within civilian areas, except if the distance between the two is very large [clearly separated]. 
Cameroon, Droit des conflits armés et droit international humanitaire, Manuel de l’instructeur en vigueur dans les forces de défense, Ministère de la Défense, Présidence de la République, Etat-major des Armées, 2006, p. 271, § 631.