- Turkey has the right to close the Straits to all foreign warships in time of war or when Turkey feels threatened.
- Merchant ships are free to transit, but Turkey has the right to restrict merchant ships of nations at war with Turkey.
- Capital ships of non–Black Sea nations are prohibited.2
- Other non–Black Sea nation warships are subject to limitations in terms of number of ships, size of armament, and aggregate tonnage. No ship with displacement greater than 15,000 tons is permitted.
- Non–Black Sea nations are further restricted in the number and aggregate tonnage of their warships allowed in the Black Sea at any given time. The limitation is 45,000 tons, no more than 30,000 tons of which may belong to any one nation.
- They are further restricted in terms of the length of time they may remain in the Black Sea (no more than 21 days).
- Warships must declare their intention to transit (northbound or southbound). Non-Black Sea nations must provide 15 days’ notice; Black Sea powers must give 8 days.
- Submarines belonging to non–Black Sea nations are not permitted.
- Black Sea nation submarines may transit only if either newly built and en route their permanent base or en route to/from repair. They must transit singly and on the surface and take no more than two days to complete the transit.
- Black Sea nation warships may exit the Black Sea en route home bases outside the Black Sea without restriction (in application, applicable only to Russia).
Thổ có quyền cấm tất cả các tàu chiến đi qua eo biển và họ đang dùng quyền này. Hi vọng cụ hiểu và nên dừng lại để không làm loãng thớt
Turkey's foreign minister
said at the time. "
All governments, riparian and non-riparian, were warned not to send warships across the straits."
Ankara's invocation of the convention is seen as significant because it has prevented Russia from bolstering its Black Sea Fleet. If Turkey were to open the straits, "the first thing you would see is a significant naval reinforcement from other parts of the Russian fleet, and that isn't in Ukraine's interest or ours," Ben Wallace, Britain's defense minister at the time,
said at the Shangri-La Dialogue in June.