United Kingdom of Great Britain and Northern Ireland
SCHEDULES
SCHEDULE 8 Genocide, crimes against humanity and war crimes: articles 6 to 9
Article 7 Crimes against humanity
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.
Enforced disappearance - crimes against humanity
EDIT.