Cameroon
Practice Relating to Rule 14. Proportionality in Attack
Cameroon’s Instructor’s Manual (1992) states: “The rule of proportionality prohibits the launching of attacks which will cause loss or damage to civilians and civilian objects which is excessive in relation to the military advantage anticipated.”
Cameroon’s Instructor’s Manual (2006), under the heading “Rules of Conduct Regarding Military Objectives”, states: “The rule of proportionality prohibits the launching of attacks if they will cause loss or damage to civilian populations or civilian objects which is excessive in relation to the military advantage anticipated.”
The manual also states: “Blind bombardments are formally prohibited just like any other disproportionate attack.”