ARTICLE 3.—The Permanent Court of International Justice shall have jurisdiction, on the complaint of any signatory, to make a judgment to the effect that the international crime described in Article 1 has or has not in any given case been committed.
CHAPTER II.
ACTS OF AGGRESSION.
ARTICLE 4.—The High Contracting Parties solemnly declare that acts of aggression, even when not amounting to a state of war, and preparations for such acts of aggression, are hereafter to be deemed forbidden by international law.
ARTICLE 5.—In the absence of a state of war, measures of force by land, by sea or in the air taken by one State against another and not taken for the purpose of defense against aggression or for the protection of human life shall be deemed to be acts of aggression.
General or partial mobilisation may be deemed to be preparation for an act of aggression.
Any signatory which claims that another signatory has violated any of the terms of this Declaration shall submit its case to the Permanent Court of International Justice.
A signatory refusing to accept the jurisdiction of the Court in any such case shall be deemed an aggressor within the terms of this Declaration.
Failure to accept the jurisdiction of the Court within four days after notification of submission of a claim of violation of this Declaration shall be deemed a refusal to accept the jurisdiction.