Artikel 18

Either Contracting Party may at any time give notice in writing through diplomatic channels to the other Contracting Party of its decision to terminate this Agreement. Such notice shall be simultaneously communicated to the International Civil Aviation Organisation. In such case this Agreement shall terminate twelve (12) months after the date when the notice has been received by the other Contracting Party unless the notice to terminate is withdrawn by agreement before the expiry of this period. In the absence of acknowledgement of receipt by the other Contracting Party, notice shall be deemed to have been received fourteen (14) days after the receipt of the notice by the International Civil Aviation Organisation.