A/HRC/25/65 37 5. The practice of forcibly disappearing persons is prohibited under customary international humanitarian law, binding all parties to the conflict in Syria. The definition of an enforced disappearance is set out in the United Nations Declaration for the Protection of All Persons from Enforced Disappearance and the International Convention for the Protection of All Persons from Enforced Disappearance, which crystalises custom. Under international human rights law, an act of enforced disappearance is committed by agents of the State or by persons or groups of persons acting with the authorization, support or acquiescence of the State, thus resulting in a human rights violation. In the context of international humanitarian law, ...