TITLE XXIV
Offences against the International Community
CHAPTER II BIS
Crimes against humanity
Article 607 bis
2. Those convicted of crimes against humanity shall be sentenced:
6th. To twelve to fifteen years’ imprisonment for detaining any person and subsequently refusing to recognise such deprivation of physical liberty or give information on the fate or whereabouts of the detained person.
Enforced disappearance - crimes against humanity
EDIT.