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Treaty

Convention for the establishment of a European Organisation for Nuclear Research

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
Austria 10-11-1959 (A) 10-11-1959
Belgium 01-07-1953 19-07-1954 (R) 29-09-1954
Czechoslovakia (<01-01-1993) 20-12-1991 (A) 20-12-1991
Denmark 23-12-1953 05-04-1954 (R) 29-09-1954
Finland 28-12-1990 (A) 28-12-1990
France 01-07-1953 29-09-1954 (R) 29-09-1954
Germany 01-07-1953 29-09-1954 (R) 29-09-1954
Greece 01-07-1953 07-07-1954 (R) 29-09-1954
Hungary 29-06-1992 (A) 29-06-1992
Italy 01-07-1953 24-02-1955 (R) 24-02-1955
Netherlands, the Kingdom of the 01-07-1953 15-06-1954 (R) 29-09-1954
Norway 31-12-1953 04-10-1954 (R) 04-10-1954
Poland 06-06-1991 (A) 06-06-1991
Portugal 21-11-1985 (A) 21-11-1985
Romania 17-06-2016 (A) 17-06-2016
Serbia 22-02-2019 (A) 22-02-2019
Spain 15-11-1983 (A) 15-11-1983
Sweden 01-07-1953 15-07-1954 (R) 29-09-1954
Switzerland 17-07-1953 12-02-1954 (R) 29-09-1954
United Kingdom 01-07-1953 30-12-1953 (R) 29-09-1954
Yugoslavia (< 25-06-1991) 01-07-1953 09-02-1955 (R) 09-02-1955 29-09-1961 31-12-1961
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