FIRST SCHEDULE
(Article 2)
Crimes within the Jurisdiction of the International Criminal Court
Article 8
War crimes
2. For the purpose of this Statute, “war crimes” means -
(b) Other serious violations of the laws and customs applicable in international armed conflict, within the established framework of international law, namely, any of the following acts -
(xviii) Employing asphyxiating, poisonous or other gases, and all analogous liquids, materials or devices; .......... omissis ..........
EDIT.