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
Australia
06-01-1956 (A)
05-02-1956
Austria
08-06-1956 (A)
08-07-1956
Belgium
30-06-1953
28-08-1957 (R)
27-09-1957
Bosnia and Herzegovina
12-01-1994 (Su)
06-03-1992
Canada
12-06-1974 (A)
12-07-1974
China
Croatia
31-08-1994 (Su)
08-10-1991
Cuba
26-04-1976 (A)
26-05-1976
Cyprus
16-05-1963 (Su)
16-08-1960
Czech Republic
02-06-1993 (Su)
01-01-1993
Czechoslovakia (<01-01-1993)
12-01-1956 (A)
11-02-1956
Democratic Republic of the Congo
31-05-1962 (Su)
30-06-1960
Denmark
05-10-1955 (A)
20-11-1955
Egypt
29-09-1955 (A)
20-11-1955
Fiji
31-10-1972 (Su)
10-10-1970
Finland
27-05-1954 (A)
20-11-1955
France
07-02-1964 (A)
08-03-1964
Germany
12-06-1953
02-09-1955 (R)
20-11-1955
Ghana
07-04-1958 (Su)
04-03-1957
Greece
12-06-1953
10-02-1955 (R)
20-11-1955
Guinea
08-05-1962 (A)
07-06-1962
Haïti
12-02-1958 (A)
14-03-1958
Hungary
03-06-1957 (A)
03-07-1957
Iceland
28-04-1977 (A)
28-05-1977
India
03-08-1954 (A)
20-11-1955
Indonesia
21-04-1954 (A)
20-11-1955
Iran
11-06-1970 (A)
11-07-1970
Ireland
23-04-1959 (A)
23-05-1959
Israel
08-10-1957 (A)
07-11-1957
Italy
20-02-1958 (A)
02-03-1958
Jamaica
11-11-1963 (Su)
06-08-1962
Japan
02-08-1955 (A)
20-11-1955
Kenya
03-09-1965 (A)
03-10-1965
Liberia
16-09-2005 (A)
16-10-2005
Luxembourg
09-09-1957 (A)
09-10-1957
Malaysia
21-08-1958 (Su)
31-08-1957
Malta
27-06-1968 (Su)
21-09-1964
Mauritius
18-07-1969 (Su)
12-03-1968
Mexico
07-11-2000 (A)
07-12-2000
Montenegro
23-10-2006 (Su)
03-06-2006
Netherlands, the Kingdom of the
03-05-1955 (A)
20-11-1955
New Zealand
19-04-1957 (A)
19-05-1957
Nigeria
26-06-1961 (Su)
01-10-1960
Norway
02-11-1954 (A)
20-11-1955
Pakistan
12-10-1953 (A)
20-11-1955
Poland
18-02-1960 (A)
19-03-1960
Portugal
24-09-1956 (A)
24-10-1956
Republic of Korea, the
12-06-1978 (A)
12-07-1978
Romania
15-11-1968 (A)
15-12-1968
Rwanda
01-12-1964 (Su)
01-07-1962
Serbia
12-03-2001 (Su)
27-04-1992
Sierra Leone
13-03-1962 (Su)
27-04-1961
Singapore
07-06-1966 (Su)
09-08-1965
Slovakia
28-05-1993 (Su)
01-01-1993
Slovenia
03-11-1992 (Su)
25-06-1991
Spain
09-09-1954 (A)
20-11-1955
Sri Lanka
28-10-1959 (A)
27-11-1959
Sweden
30-06-1953
23-02-1955 (R)
20-11-1955
Switzerland
04-12-1954 (A)
20-11-1955
Tanzania
28-11-1962 (A)
28-12-1962
Thailand
30-11-1994 (A)
30-12-1994
Tonga
11-11-1977 (Su)
04-06-1970
Trinidad and Tobago
11-04-1966 (Su)
31-08-1962
Türkiye
08-12-1956 (A)
07-01-1957
Uganda
15-04-1965 (A)
15-05-1965
United Kingdom
30-06-1953
21-10-1955 (R)
20-11-1955
United States of America
28-05-1953
17-09-1957 (R)
17-10-1957
Yugoslavia (< 25-06-1991)
29-05-1956 (A)
28-06-1956
Extensions
Australia
Extended to
Entry into force
Termination
New Guinea (< 16-09-1975)
11-02-1956
16-09-1975
Papua (< 16-09-1975)
11-02-1956
16-09-1975
Belgium
Extended to
Entry into force
Termination
Belgian Congo (<30-06-1960)
27-09-1957
30-06-1960
Ruanda-Urundi ( <01-07-1962)
27-09-1957
01-07-1962
New Zealand
Extended to
Entry into force
Termination
Cook Islands
19-05-1957
Niue
19-05-1957
Tokelau Islands
19-05-1957
United Kingdom
Extended to
Entry into force
Termination
Aden (< 30-11-1967)
07-03-1957
30-11-1967
Anguilla
07-03-1957
Antigua and Barbuda (< 01-11-1981)
07-03-1957
01-11-1981
Barbados (< 30-11-1966)
07-03-1957
30-11-1966
Belize (< 21-09-1981)
07-03-1957
21-09-1981
British North Borneo (< 16-09-1963)
07-03-1957
16-09-1963
British Somaliland (< 26-06-1960)
07-03-1957
26-06-1960
British Virgin Islands
07-03-1957
Cyprus (< 16-08-1960)
07-03-1957
16-08-1960
Dominica (< 03-11-1978)
07-03-1957
03-11-1978
Falkland Islands
07-03-1957
Fiji (< 10-10-1970)
07-03-1957
10-10-1970
Gambia, The (< 18-02-1965)
07-03-1957
18-02-1965
Ghana (< 06-03-1957)
07-03-1957
06-03-1957
Gibraltar
07-03-1957
Grenada (< 07-02-1974)
07-03-1957
07-02-1974
Guiana (< 26-05-1966)
07-03-1957
26-05-1966
Hong Kong (< 01-07-1997)
07-03-1957
01-07-1997
Jamaica (< 06-08-1962)
07-03-1957
06-08-1962
Kenya (< 12-12-1963)
07-03-1957
12-12-1957
Kiribati (< 12-07-1979)
07-03-1957
12-07-1979
Malay Federation (< 31-08-1957)
07-03-1957
31-08-1957
Malta (< 21-09-1964)
07-03-1957
21-09-1964
Man, Isle of
20-11-1955
Mauritius (< 12-03-1968)
07-03-1957
12-03-1968
Montserrat
07-03-1957
Nigeria (< 01-10-1960)
07-03-1957
01-10-1960
Saint Kitts and Nevis (< 19-11-1983)
07-03-1957
19-11-1983
Saint Lucia (< 22-02-1979)
07-03-1957
22-02-1979
Saint Vincent and the Grenadines (<27-10-1979)
07-03-1957
27-10-1979
Saint-Helena, Ascension and Tristan da Cunha
07-03-1957
Sarawak (< 16-09-1963)
07-03-1957
16-09-1963
Seychelles (< 29-06-1976)
07-03-1957
29-06-1976
Sierra Leone (< 27-04-1961)
07-03-1957
27-04-1961
Singapore (< 16-09-1963)
07-03-1957
16-09-1963
Tanganyika (< 09-12-1961)
07-03-1957
09-12-1961
Tonga (< 04-06-1970)
07-03-1957
04-06-1970
Trinidad and Tobago (< 31-08-1962)
07-03-1957
31-08-1962
Uganda (< 09-10-1962)
07-03-1957
09-10-1962
Zanzibar (< 26-04-1964)
07-03-1957
26-04-1964
United States of America
Extended to
Entry into force
Termination
Alaska (< 03-01-1959)
17-10-1957
03-01-1959
Baker Island
17-10-1957
Hawaii (< 21-08-1959)
17-10-1957
21-08-1959
Howland Island
17-10-1957
Jarvis Island
17-10-1957
Navassa Island
17-10-1957
Northern Mariana Islands
17-10-1957
Palmyra Atoll
17-10-1957
Panama Canal Zone (< 01-10-1979)
17-10-1957
31-12-1999
Puerto Rico
17-10-1957
Trust Territory of the Pacific Islands (< 22-12-1990)
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