§ 2. Crimes
Section 4
1. Anyone who commits one of the following acts shall be guilty of a crime against humanity and liable to life imprisonment or a term of imprisonment not exceeding thirty years or a sixth category fine, if such acts are 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. Crimes
Section 4
2. For the purposes of this section:
(d) ‘enforced disappearance of persons’ means the arrest, detention or abduction of persons by, or with the authorisation, support or acquiescence of a State or a political organisation, 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.

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.

This provision follows the ICC Statute.