... Each
State Party shall
adopt such
measures as may be necessary,
including, where appropriate,
domestic legislation, to ensure that
criminal acts within the
scope of this
Convention, in particular where they are intended or
calculated to provoke a
state of
terror in the
general public or in a
group of
persons or particular
persons, are under no
circumstances justifiable by
considerations of a
political,
philosophical,
ideological,
racial,
ethnic,
religious or other similar
nature and are punished by
penalties consistent with their
grave nature. ...