Upon the entry into force of this Protocol, the Government of the United States of America shall, on behalf of all the Parties, communicate to the Government of the Kingdom of Greece and the Government of the Republic of Turkey an invitation to accede to the North Atlantic Treaty, as it may be modified by Article 2 of the present Protocol. Thereafter the Kingdom of Greece and the Republic of Turkey shall each become a Party on the date when it deposits its instruments of accession with the Government of the United States of America in accordance with Article 10 of the Treaty.
[See the full post at: Joining protocol of Greece and Turkey with NATO – 22/10/1951]