Chapter 5
Miscellaneous
Schedule 1
Crimes
Part 3
War Crimes
'War crimes' mean any of the following:
(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 conduct:
(xix) employing bullets which expand or flatten easily in the human body, such as bullets with a hard envelope which does not entirely cover the core or is pierced with incisions.
Employing bullets which flatten or expand - IAC
EDIT.