§ 2. Crimes
Section 5
1. Anyone who commits, in the case of an international armed conflict, one of the grave breaches of the Geneva Conventions, namely the following acts if committed against persons protected by the said Conventions:
(h) the taking of hostages;
shall be liable to life imprisonment or a term of imprisonment not exceeding thirty years or a sixth category fine.

Article 8
War crimes
2. For the purpose of this Statute, "war crimes" means:
(a) Grave breaches of the Geneva Conventions of 12 August 1949, namely, any of the following acts against persons or property protected under the provisions of the relevant Geneva Convention:
(viii) Taking of hostages.

This provision follows the ICC Statute.