| Party | Signature | Provisional application |
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 |
|---|---|---|---|---|---|---|
| Algeria | 10-09-1969 (A) | 10-10-1969 | ||||
| Argentina | 29-11-1972 (A) | 29-12-1972 | ||||
| Australia | 12-02-1985 (A) | 14-03-1985 | ||||
| Austria | 21-12-1956 | 16-07-1969 (R) | 15-08-1969 | |||
| Barbados | 18-06-1970 (A) | 18-07-1970 | ||||
| Belarus | 14-11-1996 (A) | 14-12-1996 | ||||
| Belgium | 01-07-1966 (A) | 31-07-1966 | ||||
| Bolivia | 20-06-1956 | |||||
| Bosnia and Herzegovina | 01-09-1993 (Su) | 06-03-1992 | ||||
| Brazil | 31-12-1956 | 14-11-1960 (R) | 14-12-1960 | |||
| Burkina Faso | 27-08-1962 (A) | 26-09-1962 | ||||
| Cabo Verde | 13-09-1985 (A) | 13-10-1985 | ||||
| Cambodia | 20-06-1956 | |||||
| Central African Republic | 15-10-1962 (A) | 14-11-1962 | ||||
| Chile | 09-01-1961 (A) | 08-02-1961 | ||||
| Colombia | 16-07-1956 | 10-11-1999 (R) | 10-12-1999 | |||
| Croatia | 20-09-1993 (Su) | 08-10-1991 | ||||
| Cuba | 20-06-1956 | |||||
| Cyprus | 08-05-1986 (A) | 07-06-1986 | ||||
| Czech Republic | 30-09-1993 (Su) | 01-01-1993 | ||||
| Czechoslovakia (<01-01-1993) | 03-10-1958 (A) | 02-11-1958 | ||||
| Denmark | 28-12-1956 | 22-06-1959 (R) | 22-07-1959 | |||
| Dominican Republic | 20-06-1956 | |||||
| Ecuador | 20-06-1956 | 04-06-1974 (R) | 04-07-1974 | |||
| El Salvador | 20-06-1956 | |||||
| Estonia | 08-01-1997 (A) | 07-02-1997 | ||||
| Finland | 13-09-1962 (A) | 13-10-1962 | ||||
| France | 05-09-1956 | 24-06-1960 (R) | 24-07-1960 | |||
| Germany | 20-06-1956 | 20-07-1959 (R) | 19-08-1959 | |||
| Greece | 20-06-1956 | 01-11-1965 (R) | 01-12-1965 | |||
| Guatemala | 26-12-1956 | 25-04-1957 (R) | 25-05-1957 | |||
| Haïti | 21-12-1956 | 12-02-1958 (R) | 14-03-1958 | |||
| Holy See | 20-06-1956 | 05-10-1964 (R) | 04-11-1964 | |||
| Hungary | 23-07-1957 (A) | 22-08-1957 | ||||
| Ireland | 26-10-1995 (A) | 25-11-1995 | ||||
| Israel | 20-06-1956 | 04-04-1957 (R) | 25-05-1957 | |||
| Italy | 01-08-1956 | 28-07-1958 (R) | 27-08-1958 | |||
| Kazakhstan | 28-03-2000 (A) | 27-04-2000 | ||||
| Kyrgyzstan | 27-05-2004 (A) | 26-06-2004 | ||||
| Liberia | 16-09-2005 (A) | 16-10-2005 | ||||
| Luxembourg | 01-11-1971 (A) | 01-12-1971 | ||||
| Mexico | 20-06-1956 | 23-07-1992 (R) | 22-08-1992 | |||
| Moldova | 24-07-2006 (A) | 23-08-2006 | ||||
| Monaco | 20-06-1956 | 28-06-1961 (R) | 28-07-1961 | |||
| Montenegro | 23-10-2006 (Su) | 03-06-2006 | ||||
| Morocco | 18-03-1957 (A) | 25-05-1957 | ||||
| Netherlands, the Kingdom of the | 20-06-1956 | 31-07-1962 (R) | 30-08-1962 | |||
| New Zealand | 26-02-1986 (A) | 28-03-1986 | ||||
| Niger | 15-02-1965 (A) | 17-03-1965 | ||||
| North Macedonia | 10-03-1994 (Su) | 17-11-1991 | ||||
| Norway | 25-10-1957 (A) | 24-11-1957 | ||||
| Pakistan | 14-07-1959 (A) | 13-08-1959 | ||||
| Philippines | 20-06-1956 | 21-03-1968 (R) | 20-04-1968 | |||
| Poland | 13-10-1960 (A) | 12-11-1960 | ||||
| Portugal | 25-01-1965 (A) | 24-02-1965 | ||||
| Romania | 10-04-1991 (A) | 10-05-1991 | ||||
| Serbia | 12-03-2001 (Su) | 27-04-1992 | ||||
| Seychelles | 01-11-2004 (A) | 01-12-2004 | ||||
| Slovakia | 28-05-1993 (Su) | 01-01-1993 | ||||
| Slovenia | 06-07-1992 (Su) | 25-06-1991 | ||||
| Spain | 06-10-1966 (A) | 05-11-1966 | ||||
| Sri Lanka | 20-06-1956 | 07-08-1958 (R) | 06-09-1958 | |||
| Suriname | 12-10-1979 (A) | 11-11-1979 | ||||
| Sweden | 04-12-1956 | 01-10-1958 (R) | 31-10-1958 | |||
| Switzerland | 05-10-1977 (A) | 04-11-1977 | ||||
| Tunisia | 16-10-1968 (A) | 15-11-1968 | ||||
| Türkiye | 02-06-1971 (A) | 02-07-1971 | ||||
| Ukraine | 19-09-2006 (A) | 19-10-2006 | ||||
| United Kingdom | 13-03-1975 (A) | 12-04-1975 | ||||
| Uruguay | 18-09-1995 (A) | 18-10-1995 | ||||
| Yugoslavia (< 25-06-1991) | 31-12-1956 | 29-05-1959 (R) | 28-06-1959 |
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