TITLE XXIV
Offences against the International Community
CHAPTER III
Offences against Protected Persons and Property in the Event of Armed Conflict
Article 612
In the event of an armed conflict, a sentence of three to seven years’ imprisonment, which shall be in addition to any sentence imposed for the damage or injury caused, shall be imposed on anyone who does any of the following:
6th. Makes improper or treacherous use of the parliamentary flag or flag of surrender, attacks the inviolability or retains improperly any member of parliament or any person accompanying him or her, any personnel of the Protecting Power or its substitute, or any members of the International Fact-Finding Commission.
Improper use of a flag of truce - IAC
Unique provision - war crimes
EDIT.