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Either Contracting Party may at any time give notice to the other of its desire to terminate this Agreement. Such notice shall be simultaneously communicated to the International Civil Aviation Organisation. This Agreement shall terminate one year after the date of receipt of the notice by the other Contracting Party, unless the notice is withdrawn by agreement before the expiration of this period. In the absence of acknowledgment of receipt by the other Contracting Party notice shall be deemed to have been received fourteen days after the receipt of the notice by the International Civil Aviation Organisation.