§ 2. Crimes
Section 5
5. Anyone who, in the case of an international armed conflict, commits one of the following acts:
(n) intentionally directing attacks against buildings, material, medical units and transport, and personnel using the distinctive emblems of the Geneva Conventions in conformity with international law;
shall be liable to a term of imprisonment not exceeding fifteen years or a fifth category fine.

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:
(xxiv) Intentionally directing attacks against buildings, material, medical units and transport, and personnel using the distinctive emblems of the Geneva Conventions in conformity with international law

This provision follows the ICC Statute.