Animated by the firm desire to ensure the maintenance of general peace and the security of nations whose existence, independence or territories may be threatened;

Recognising the solidarity of the members of the international community;

Asserting that a war of aggression constitutes a violation of this solidarity and an international crime;

Desirous of facilitating the complete application of the system provided in the Covenant of the League of Nations for the pacific settlement of disputes between States and of ensuring the repression of international crimes; and

For the purpose of realising, as contemplated by Article 8 of the Covenant, the reduction of national armaments to the lowest point consistent with national safety and the enforcement by common action of international obligations;

The Undersigned, duly authorised to that effect, agree as follows:

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Article 2

The signatory States agree in no case to resort to war either with one another or against a State which, if the occasion arises, accepts all the obligations hereinafter set out, except in case of resistance to acts of aggression or when acting in agreement with the Council or the Assembly of the League of Nations in accordance with the provisions of the Covenant and of the present Protocol. {…}

Article 10

Every State which resorts to war in violation of the undertakings contained in the Covenant or in the present Protocol is an aggressor. Violation of the rules laid down for a demilitarised zone shall be held equivalent to resort to war.