Chapter 16. Genocide, crimes against humanity and war crimes
Section 106. War crimes consisting in the use of prohibited methods of warfare
Any person is liable to punishment for a war crime who in connection with an armed conflict
(f) directs an attack against buildings dedicated to religion, education, art, science or charitable purposes, historic monuments, cultural monuments, hospitals and places where the sick and wounded are collected, or against any other civil object, provided they are not military objectives,
Intentionally directing attacks against buildings dedicated to religion, education, art, science or charitable purposes, historic monuments, hospitals and places where the sick and wounded are collected - IAC
Intentionally directing attacks against buildings dedicated to religion, education, art, science or charitable purposes, historic monuments, hospitals and places where the sick and wounded are collected - NIAC
Other serious violations of the laws and customs - NIAC
EDIT.