by the Allied Powers and Turkey

“ Should the freedom of navigation of the Straits or the security of the demilitarised zones be imperilled by a violation of the provisions relating to freedom of passage, or by a surprise attack or some act of war or threat of war, the High Contracting Parties, and in any case France, Great Britain, Italy, and Japan, acting in conjunction, will meet such violation, attack, or other act of war or threat of war, by all the means that the Council of the League of Nations may decide for this purpose. ”

“ Turkey and Greece shall have the right to organise in the said zones and islands in their respective territories any system of observation and communication, both telegraphic, telephonic and visual. Greece shall be entitled to send her fleet into the territorial waters of the demilitarised Greek islands, but may not use these waters as a base of operations against Turkey nor for any military or naval concentration for this purpose. ”

“ The measures taken by Turkey to prevent enemy ships and aircraft from using the Straits are not to be of such a nature as to prevent the free passage of neutral ships and aircraft, and Turkey agrees to provide the said ships and aircraft with either the necessary instructions or pilots for the above purpose. ”

“ Warships and military aircraft of belligerents will be forbidden to make any capture, to exercise the right of visit and search, or to carry out any other hostile act in the Straits
As regards revictualling and carrying out repairs, war vessels will be subject to the terms of the Thirteenth Hague Convention of 1907, dealing with maritime neutrality.
Military aircraft will receive in the Straits similar treatment to that accorded under the Thirteenth Hague Convention of 1907 to warships, pending the conclusion of an international Convention establishing the rules of neutrality for aircraft. ”

“ At Constantinople, including for this purpose Stamboul, Pera, Galata, Scutari, as well as Princes' Islands, and in the immediate neighbourhood of Constantinople, there may be maintained for the requirements of the capital, a garrison with a maximum strength of 12,000 men. ”

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