Règle correspondante
Practice Relating to Rule 85. The Use of Incendiary Weapons against Combatants
Section B. The use of incendiary weapons against combatants in particular
Israel’s Manual on the Rules of Warfare (2006) states: “Phosphorus is permitted for use, as long as its use is directed against combatants and not against civilians.” 
Israel, Rules of Warfare on the Battlefield, Military Advocate-General’s Corps Command, IDF School of Military Law, Second Edition, 2006, p. 50.
(emphasis in original)
The Manual on the Rules of Warfare (2006) is a second edition of the Manual on the Laws of War (1998).