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a). Each Contracting Party shall have the right to refuse to grant the rights specified under article 1 of the present Agreement to an airline or airlines or to withhold or revoke the rights granted or to impose such conditions as it may deem necessary on the excercise by an airline or airlines of those rights, in any case where it is not satisfied that substantial ownership and effective control of that airline or airlines, are vested in the Contracting Party designating the airline or airlines, or its nationals.
b). Each Contracting Party shall also have the right to suspend the exercise by a designated airline or airlines of the rights granted under Article 1 of the present Agreement or to impose such conditions as it may deem necessary on the exercise by an airline or airlines of those rights in any case where the said airline or airlines fail to comply with the provisions of Article 11 and 13 of the Convention in their present form or with the conditions prescribed in the present Agreement. Such unilateral action however shall not take place before the intention to do so is notified to the other Contracting Party and consultation between the aeronautical authorities of both Contracting Parties has not led to mutual agreement within a period of twenty eight days after the date of receipt of such notification by the other Contracting Party.