(i) relating to the traffic in arms, ammunition and implements of war and to such traffic and transactions in other goods, materials, services and technology undertaken directly or indirectly for the purpose of supplying a military or other security establishment,

(ii) taken in time of war or other emergency in international relations, or

(iii) relating to the implementation of national policies or international agreements respecting the non-proliferation of nuclear weapons or other nuclear explosive devices; or

(c) to prevent any Party from taking action in pursuance of its obligations under the United Nations Charter for the maintenance of international peace and security.

Article 2103: Taxation

1. Except as set out in this Article, nothing in this Agreement shall apply to taxation measures.

2. Nothing in this Agreement shall affect the rights and obligations of any Party under any tax convention. In the event of any inconsistency between the provisions of this Agreement and any such convention, the provisions of that convention shall prevail to the extent of the inconsistency.

3. Notwithstanding paragraph 2:

(a) Article 301 (Market Access - National Treatment) and such other provisions of this Agreement as are necessary to give effect to that Article shall apply to taxation measures to the same extent as does Article III of the GATT, and

(b) Article 315 (Market Access - Export Taxes) and Article 604 (Energy - Export Taxes),