| Country | Action | Action Date | Effective Date |
|---|
| Anguilla | Extension | 17/06/1947 | 10/11/1948 |
| ANTIGUA AND BARBUDA | Accession | 21/07/1982 | 21/07/1982 |
| Antilles | Extension | 16/02/1982 | |
| ARGENTINA | Signature | 02/12/1946 | |
| ARGENTINA | Ratification | 18/05/1960 | 18/05/1960 |
| ARGENTINA | Declaration | 18/05/1960 | |
| ARGENTINA | Reservation | 18/05/1960 | |
| ARGENTINA | Objection | 06/02/2003 | |
| Aruba | Extension | 01/01/1986 | |
| AUSTRALIA | Signature | 02/12/1946 | |
| AUSTRALIA | Ratification | 01/12/1947 | 10/11/1948 |
| AUSTRALIA | Objection | 05/02/2003 | 05/02/2003 |
| AUSTRIA | Adherence | 20/05/1994 | 20/05/1994 |
| BELIZE | Adherence | 15/07/1982 | 15/07/1982 |
| BELIZE | Withdrawal | 30/12/1987 | 30/06/1988 |
| BELIZE | Adherence | 17/06/2003 | 17/06/2003 |
| Berlin West | Extension | 02/07/1982 | |
| Bermuda | Extension | 17/06/1947 | 10/11/1948 |
| BRAZIL | Signature | 02/12/1946 | |
| BRAZIL | Ratification | 09/05/1950 | 09/05/1950 |
| BRAZIL | Withdrawal | 27/12/1965 | 30/06/1966 |
| BRAZIL | Adherence | 04/01/1974 | 04/01/1974 |
| BRAZIL | Objection | 31/01/2003 | |
| British Antarctic Territory | Extension | 17/06/1947 | 10/11/1948 |
| British Virgin Islands | Extension | 17/06/1947 | 10/11/1948 |
| BULGARIA | Adherence | 10/08/2009 | 10/08/2009 |
| CAMBODIA | Adherence | 01/06/2006 | 01/06/2006 |
| CAMEROON | Adherence | 14/06/2005 | 14/06/2005 |
| CANADA | Signature | 02/12/1946 | |
| CANADA | Ratification | 25/02/1949 | 25/02/1949 |
| CANADA | Withdrawal | 24/06/1981 | 30/06/1982 |
| Cayman Islands | Extension | 17/06/1947 | 10/11/1948 |
| CHILE | Signature | 02/12/1946 | |
| CHILE | Ratification | 06/07/1979 | 06/07/1979 |
| CHILE | Declaration | 06/07/1979 | |
| CHILE | Objection | 06/05/2003 | |
| CHINA | Adherence | 24/09/1980 | 24/09/1980 |
| CHINA | Declaration | 24/09/1980 | 24/09/1980 |
| COSTA RICA | Adherence | 06/05/1981 | 06/05/1981 |
| COSTA RICA | Notification | 01/06/1981 | |
| COSTA RICA | Re-Adherence | 24/07/1981 | 24/07/1981 |
| DENMARK | Signature | 02/12/1946 | |
| DENMARK | Ratification | 23/05/1950 | 23/05/1950 |
| DOMINICA, COMMONWEALTH OF | Accession | 09/07/1981 | 09/07/1981 |
| DOMINICA, COMMONWEALTH OF | Withdrawal | 15/06/1982 | 30/06/1983 |
| DOMINICA, COMMONWEALTH OF | Re-Adherence | 18/06/1992 | 18/06/1992 |
| ECUADOR | Adherence | 02/05/1991 | 02/05/1991 |
| ECUADOR | Reservation | 02/05/1991 | 02/05/1991 |
| ECUADOR | Withdrawal | 08/12/1993 | 30/06/1994 |
| EGYPT | Accession | 18/09/1981 | 18/09/1981 |
| EGYPT | Withdrawal | 29/11/1988 | 30/06/1989 |
| Falkland Islands | Extension | 17/06/1947 | 10/11/1948 |
| FINLAND | Adherence | 23/02/1983 | 23/02/1983 |
| FRANCE | Signature | 02/12/1946 | |
| FRANCE | Ratification | 03/12/1948 | 03/12/1948 |
| FRANCE | Statement | 05/04/1983 | |
| FRANCE | Objection | 13/12/2002 | |
| GERMANY FEDERAL REPUBLIC | Adherence | 02/07/1982 | 02/07/1982 |
| GERMANY FEDERAL REPUBLIC | Declaration | 02/07/1982 | 02/07/1982 |
| GERMANY FEDERAL REPUBLIC | Objection | 27/05/1983 | |
| GERMANY FEDERAL REPUBLIC | Objection | 03/02/2003 | |
| Gibraltar | Extension | 17/06/1947 | 10/11/1948 |
| GRENADA | Adherence | 07/04/1993 | 07/04/1993 |
| ICELAND | Accession | 10/03/1947 | 10/11/1948 |
| ICELAND | Objection | 29/09/1959 | |
| ICELAND | Withdrawal | 27/12/1991 | 30/06/1992 |
| ICELAND | Adherence | 08/06/2001 | |
| ICELAND | Reservation | 08/06/2001 | |
| ICELAND | Reservation | 10/10/2002 | |
| INDIA | Accession | 09/03/1981 | 09/03/1981 |
| IRELAND, REPUBLIC OF | Adherence | 02/01/1985 | 01/02/1985 |
| ITALY | Ratification | 12/02/1998 | 12/02/1998 |
| ITALY | Objection | 06/12/2002 | |
| JAMAICA | Accession | 15/07/1981 | 15/07/1981 |
| JAMAICA | Withdrawal | 20/09/1983 | 30/06/1984 |
| JAPAN | Accession | 21/04/1951 | 21/04/1951 |
| JAPAN | Withdrawal | 06/02/1959 | 30/06/1959 |
| JAPAN | Notification | 29/06/1959 | |
| KENYA | Accession | 02/12/1981 | 02/12/1981 |
| KOREA REPUBLIC OF | Adherence | 29/12/1978 | 29/12/1978 |
| MAURITIUS | Accession | 17/06/1983 | 17/06/1983 |
| MAURITIUS | Withdrawal | 27/08/1987 | 30/06/1988 |
| MEXICO | Accession | 30/06/1949 | 30/06/1949 |
| MEXICO | Objection | 10/02/2003 | |
| MONACO | Accession | 15/03/1982 | 15/03/1982 |
| MONACO | Objection | 13/02/2003 | |
| Montserrat | Extension | 17/06/1947 | 10/11/1948 |
| NETHERLANDS THE | Signature | 02/12/1946 | |
| NETHERLANDS THE | Ratification | 10/11/1948 | 10/11/1948 |
| NETHERLANDS THE | Withdrawal | 31/12/1958 | 30/06/1959 |
| NETHERLANDS THE | Adherence | 04/05/1962 | 04/05/1962 |
| NETHERLANDS THE | Withdrawal | 24/12/1969 | 30/06/1970 |
| NETHERLANDS THE | Re-Adherence | 14/06/1977 | 14/06/1977 |
| NETHERLANDS THE | Declaration | 16/02/1982 | |
| NETHERLANDS THE | Objection | 12/02/2003 | |
| NEW ZEALAND | Signature | 02/12/1946 | |
| NEW ZEALAND | Ratification | 02/08/1949 | 02/08/1949 |
| NEW ZEALAND | Withdrawal | 01/10/1968 | 30/06/1969 |
| NEW ZEALAND | Adherence | 15/06/1976 | 15/06/1976 |
| NORWAY | Signature | 02/12/1946 | |
| NORWAY | Ratification | 03/03/1948 | 10/11/1948 |
| NORWAY | Withdrawal | 29/12/1958 | 30/06/1959 |
| NORWAY | Adherence | 23/09/1960 | 23/09/1960 |
| NORWAY | Notification | 23/09/1960 | |
| NORWAY | Withdrawal | 29/12/1961 | 30/06/1962 |
| NORWAY | Withdrawn | 06/06/1962 | |
| OMAN | Adherence | 15/07/1980 | 15/07/1980 |
| PANAMA | Adherence | 30/09/1948 | 10/11/1948 |
| PANAMA | Withdrawal | 02/07/1968 | 30/06/1969 |
| PANAMA | Notification | 13/06/1969 | |
| PANAMA | Withdrawal | 16/11/1977 | 30/06/1978 |
| PANAMA | Re-Adherence | 26/06/1978 | |
| PANAMA | Withdrawal | 07/02/1979 | 30/06/1980 |
| PERU | Signature | 02/12/1946 | |
| PERU | Ratification | 18/06/1979 | 18/06/1979 |
| PERU | Declaration | 18/06/1979 | |
| PERU | Objection | 29/06/1984 | |
| PERU | Notification | 28/08/1984 | |
| PERU | Objection | 05/03/2003 | |
| PHILIPPINES | Accession | 10/08/1981 | 10/08/1981 |
| PHILIPPINES | Withdrawal | 03/12/1987 | 30/06/1988 |
| Pitcairn,Henderson,Ducie & Oeno Islands | Extension | 17/06/1947 | 10/11/1948 |
| SAINT LUCIA | Accession | 29/06/1981 | 29/06/1981 |
| SAN MARINO | Objection | 13/03/2003 | |
| SENEGAL | Adherence | 15/07/1982 | 15/07/1982 |
| SEYCHELLES | Accession | 19/03/1979 | 19/03/1979 |
| SEYCHELLES | Withdrawal | 03/06/1994 | 30/06/1995 |
| SOLOMON ISLANDS | Adherence | 18/07/1985 | 18/07/1985 |
| SOLOMON ISLANDS | Withdrawal | 09/11/1989 | 30/06/1990 |
| SOLOMON ISLANDS | Re-Adherence | 10/05/1993 | 10/05/1993 |
| SOUTH AFRICA | Signature | 02/12/1946 | |
| SOUTH AFRICA | Ratification | 05/05/1948 | 10/11/1948 |
| South Georgia And South Sandwich Islands | Extension | 17/06/1947 | 10/11/1948 |
| SOVIET UNION | Signature | 02/12/1946 | |
| SOVIET UNION | Ratification | 11/09/1948 | 10/11/1948 |
| SOVIET UNION | Statement | 16/12/1982 | |
| SOVIET UNION | Notification | 25/06/1992 | |
| SPAIN | Adherence | 06/07/1979 | 06/07/1979 |
| SPAIN | Objection | 04/02/2003 | |
| St Helena And Dependencies | Extension | 17/06/1947 | 10/11/1948 |
| ST KITTS AND NEVIS | Adherence | 24/06/1992 | 24/06/1992 |
| ST VINCENT AND THE GRENADINES | Accession | 22/07/1981 | 22/07/1981 |
| SWEDEN | Adherence | 28/01/1949 | 28/01/1949 |
| SWEDEN | Withdrawal | 17/12/1963 | 30/06/1964 |
| SWEDEN | Re-Adherence | 15/06/1979 | 15/06/1979 |
| SWEDEN | Objection | 26/11/2002 | |
| SWITZERLAND | Accession | 29/05/1980 | 29/05/1980 |
| Turks And Caicos Islands | Extension | 17/06/1947 | 10/11/1948 |
| UNITED KINGDOM | Signature | 02/12/1946 | |
| UNITED KINGDOM | Ratification | 17/06/1947 | 10/11/1948 |
| UNITED KINGDOM | Notification | 12/08/1960 | |
| UNITED KINGDOM | Statement | 05/04/1983 | |
| UNITED KINGDOM | Declaration | 01/03/1984 | |
| UNITED KINGDOM | Objection | 17/07/2001 | |
| UNITED KINGDOM | Objection | 05/12/2002 | |
| UNITED STATES OF AMERICA | Signature | 02/12/1946 | |
| UNITED STATES OF AMERICA | Ratification | 18/07/1947 | 10/11/1948 |
| UNITED STATES OF AMERICA | Notification | 14/09/1960 | |
| UNITED STATES OF AMERICA | Notification | 06/10/1960 | |
| UNITED STATES OF AMERICA | Declaration | 16/12/1980 | |
| UNITED STATES OF AMERICA | Statement | 05/04/1983 | |
| UNITED STATES OF AMERICA | Objection | 27/05/2003 | |
| URUGUAY | Accession | 15/07/1981 | 15/07/1981 |
| URUGUAY | Withdrawal | 15/10/1990 | 30/06/1991 |
| VENEZUELA | Adherence | 11/07/1991 | 11/07/1991 |