The present treaty shall be ratified and the ratifications shall be exchanged at Lisbon as soon as possible. It shall come into force fifteen days after the exchange of ratifications, and shall remain binding for a period of ten years. In case neither of the contracting Parties shall have given notice to the other twelve months before the date of expiration of this period of their intention to terminate it, it shall remain in force until the expiration of one year from the day on which either of the contracting Parties shall have denounced it.
As regards, however, the dominions, colonies, possessions, and protectorates which may have adhered to the present treaty in virtue of Article 21, either of the contracting Parties shall have the right to terminate it separately at any time on giving twelve months’ notice to that effect.
It is understood that the stipulations of the present and of the preceding article referring to British dominions, colonies, possessions, or protectorates apply also to the Island of Cyprus.
On proceeding to sign the Treaty of Commerce and Navigation concluded this day between the United Kingdom and Portugal, the undersigned plenipotentiaries have made the following reservations and declarations which shall form an integral part of the treaty:—