Artikel 3

Notwithstanding the provisions of Articles 1 and 2 above, the competent authorities of the importing State may take such measures as may be necessary either to ensure the re-exportation of any such equipment imported on a temporary basis, once the exceptional circumstances shall have ceased to exist or the time-limit provided for under paragraph 1 of Article 2 above has elapsed, whichever is the earlier, or to ensure payment of any import duties and import taxes which become payable in the case of any failure to re-export the equipment.