Chapter 2 Punishment of Crimes within the jurisdiction of the Court
Article 13 (War crime using forbidden method)
1. Any act of intentionally directing attacks against the civilian population as such or against individual civilian not taking direct part in hostilities;
3. Any act of intentionally launching an attack in the knowledge that such attack will cause incidental loss of life or injury to civilians or damage to civilian which would be clearly excessive in relation to the concrete and direct overall military advantage anticipated
Any person who attempts a crime in paragraph (1) or (3) shall be punished.
EDIT.