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Treaty

Agreement on the status of the North Atlantic Treaty Organisation, national representatives and international staff

PartiesParties with a link have a reservation.

Party Signature RatificationS=Signature without reservation or requirement of ratification R=Ratification, Acceptance, Approval or Notification A=Accession Su=Succession NK=Not Known Entry into force Renunciation Termination
Belgium 20-09-1951 18-02-1955 (R) 18-02-1955
Bulgaria 12-07-2004 22-10-2004 (R) 22-10-2004
Canada 20-09-1951 01-09-1954 (R) 01-09-1954
Czech Republic 26-04-1999 18-11-1999 (R) 18-11-1999
Denmark 20-09-1951 07-05-1952 (R) 18-05-1954
Estonia 07-09-2004 26-11-2004 (R) 26-11-2004
Finland 11-05-2023 07-06-2023 (R) 07-06-2023
France 20-09-1951 20-01-1955 (R) 20-01-1955
Germany 29-05-1956 25-07-1958 (R) 25-07-1958
Greece 06-05-1955 10-12-1956 (R) 10-12-1956
Hungary 21-01-2000 15-05-2000 (R) 15-05-2000
Iceland 20-09-1951 11-05-1953 (R) 18-05-1954
Italy 20-09-1951 09-03-1955 (R) 09-03-1955
Latvia 10-08-2004 17-02-2005 (R) 17-02-2005
Lithuania 08-09-2004 03-01-2005 (R) 03-01-2005
Luxembourg 20-09-1951 23-07-1954 (R) 23-07-1954
Montenegro 27-09-2017
Netherlands, the Kingdom of the 20-09-1951 14-07-1952 (R) 18-05-1954
North Macedonia 02-06-2022 04-12-2023 (R) 04-12-2023
Norway 20-09-1951 24-02-1953 (R) 18-05-1954
Poland 21-09-1999 21-09-1999 (R) 21-09-1999
Portugal 20-09-1951 22-11-1955 (R) 22-11-1955
Romania 30-06-2004 05-01-2005 (R) 05-01-2005
Slovakia 13-08-2004 16-12-2004 (R) 16-12-2004
Slovenia 14-06-2004 28-09-2004 (R) 28-09-2004
Spain 04-03-1987 10-08-1987 (R) 10-08-1987
Sweden 03-07-2024 03-07-2024 (R) 03-07-2024
Türkiye 02-10-1953 18-05-1954 (R) 18-05-1954
United Kingdom 20-09-1951 10-12-1954 (R) 10-12-1954
United States of America 20-09-1951 24-07-1953 (R) 18-05-1954
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