France
Practice Relating to Rule 140. The Principle of Reciprocity
France’s LOAC Teaching Note (2000) states:
Combatants shall respect at any place and in all circumstances the rules of the law of armed conflict … They may in no case release themselves from those rules, regardless of the framework and the mandate of their mission, even if the enemy does not respect those rules.
France’s LOAC Manual (2001) provides that combatants must respect in all circumstances the rules of the law of armed conflict “even if the adversary does not respect these rules”.