Chapter II
Crimes
Section II
War crimes
Article 11
War crimes involving the employment of prohibited methods of war
Anyone who, in the context of an international armed conflict or a non-international armed conflict:
(d) Launches an indiscriminate attack against the civilian population or civilian property in the knowledge that such attack will cause loss of human life, injury to civilians or excessive damage to civilian objects;
shall be punished with a term of imprisonment of 10 to 25 years.
Intentionally launching attacks that will cause incidental damage to civilian objects - IAC
Intentionally launching attacks that will cause incidental loss of life or injury to civilians - IAC
EDIT.