Related Rule
France
Practice Relating to Rule 98. Enforced Disappearance
Under France’s Penal Code (1992), abduction of persons followed by their disappearance is a crime against humanity. 
France, Penal Code, 1992, Article 212(1).
France’s Penal Code (1992), as amended in 2010, states in its section on war crimes common to international and non-international armed conflicts:
[A]bducting or kidnapping … a person protected by the international law of armed conflict pursuant to the laws and customs of war and to international humanitarian law, is an aggravated offence. 
France, Penal Code, 1992, as amended in 2010, Article 461-2.