An Act to provide for the detention, prosecution and punishment of persons for genocide, crimes against humanity, war crimes and other crimes under international law.

3 (2) The following acts or any of them are crimes within the jurisdiction of a Tribunal for which there shall be individual responsibility, namely:-

(a) Crimes against humanity: namely, ...abduction

Article 3 Jurisdiction of Tribunal and crimes

(2) The following acts or any of them are crimes within the jurisdiction of a Tribunal for which there shall be individual responsibility, namely:

(a) Crimes against Humanity: namely, murder, extermination, enslavement, deportation, imprisonment, abduction, confinement, torture, rape or other inhumane acts committed against any civilian population or persecutions on political, racial, ethnic or religious grounds, whether or not in violation of the domestic law of the country where perpetrated;

Article 7
Crimes against humanity
1. For the purpose of this Statute, "crime against humanity" means any of the following acts when committed as part of a widespread or systematic attack directed against any civilian population, with knowledge of the attack:
(i) Enforced disappearance of persons

2. For the purpose of paragraph 1:
(i) ‘Enforced disappearance of persons’ means the arrest, detention or
abduction of persons by, or with the authorization, support or
acquiescence of, a State or a political organization, followed by a refusal to
acknowledge that deprivation of freedom or to give information on the
fate or whereabouts of those persons, with the intention of removing them
from the protection of the law for a prolonged period of time.