| Country | Action | Action Date | Effective Date |
|---|
| ALBANIA | Extension | 27/07/1960 | 25/10/1960 |
| Antigua | Extension | 18/03/1958 | |
| ANTIGUA AND BARBUDA | Succession | 25/10/1988 | 01/11/1981 |
| Antilles | Extension | 08/08/1966 | |
| Antilles | Extension | 01/01/1986 | 01/01/1986 |
| Antilles | Denunciation | 16/01/1992 | 16/01/1993 |
| ARGENTINA | Accession | 10/10/1963 | |
| ARGENTINA | Declaration | 10/10/1963 | |
| ARMENIA | Accession | 18/05/1994 | 16/08/1994 |
| Aruba | Extension | 01/01/1986 | 01/01/1986 |
| Aruba | Denunciation | 16/01/1992 | 16/01/1993 |
| AUSTRALIA | Accession | 14/03/1961 | |
| AUSTRALIA | Declaration | 14/03/1961 | |
| AUSTRALIAN TERRITORIES | Extension | 14/03/1961 | |
| AUSTRIA | Accession | 19/01/1968 | |
| AZERBAIJAN | Accession | 16/08/1996 | 14/11/1996 |
| Bahamas | Extension | 18/03/1958 | |
| BAHAMAS | Succession | 10/06/1976 | |
| Barbados | Extension | 18/03/1958 | |
| BARBADOS | Accession | 26/10/1979 | 24/01/1980 |
| Basutoland | Extension | 18/03/1958 | |
| Bechuanaland | Extension | 18/03/1958 | |
| BELGIUM | Signature | 15/05/1972 | |
| Bermuda | Extension | 18/03/1958 | |
| Bermuda | Denunciation | 24/12/1981 | 24/12/1982 |
| BOSNIA AND HERZEGOVINA | Succession | 01/09/1993 | 06/03/1992 |
| BRAZIL | Signature | 26/07/1966 | |
| BRAZIL | Reservation | 26/07/1966 | |
| BRAZIL | Ratification | 04/12/1968 | |
| BRAZIL | Reservation | 04/12/1968 | |
| British Guiana | Extension | 18/03/1958 | |
| British Honduras | Extension | 18/03/1958 | |
| British Indian Ocean Territory | Denunciation | 24/12/1981 | 24/12/1982 |
| British Solomon Islands | Extension | 18/03/1958 | |
| British Virgin Islands | Extension | 18/03/1958 | |
| British Virgin Islands | Denunciation | 24/12/1981 | 24/12/1982 |
| Brunei | Extension | 01/10/1962 | |
| Brunei | Denunciation | 24/12/1981 | 24/12/1982 |
| BULGARIA | Accession | 22/06/1960 | |
| BYELORUSSIA S S R | Signature | 07/10/1957 | |
| BYELORUSSIA S S R | Ratification | 23/12/1958 | |
| CAMBODIA | Signature | 11/11/2001 | |
| CANADA | Signature | 20/02/1957 | |
| CANADA | Ratification | 21/10/1959 | |
| Cayman Islands | Denunciation | 24/12/1981 | 24/12/1982 |
| CEYLON | Accession | 30/05/1958 | |
| Channel Islands | Extension | 28/07/1957 | |
| Channel Islands | Denunciation | 24/12/1981 | 24/12/1982 |
| CHILE | Signature | 18/03/1957 | |
| CHILE | Reservation | 18/03/1957 | |
| CHINA | Signature | 20/02/1957 | |
| CHINA | Ratification | 22/09/1958 | |
| COLOMBIA | Signature | 20/02/1957 | |
| Cook Islands | Extension | 17/12/1958 | |
| COTE D'IVOIRE | Accession | 02/11/1999 | 31/01/2000 |
| CROATIA | Succession | 12/10/1992 | 08/10/1991 |
| CUBA | Signature | 20/02/1957 | |
| CUBA | Ratification | 05/12/1957 | |
| Cyprus | Extension | 18/03/1958 | |
| CYPRUS | Succession | 26/04/1971 | |
| CZECH REPUBLIC | Succession | 22/02/1993 | 01/01/1993 |
| CZECHOSLOVAKIA | Signature | 03/09/1957 | |
| CZECHOSLOVAKIA | Ratification | 05/04/1962 | |
| CZECHOSLOVAKIA | Objection | 30/05/1974 | |
| DENMARK | Signature | 20/02/1957 | |
| DENMARK | Ratification | 22/06/1959 | |
| Dominica | Extension | 18/03/1958 | |
| DOMINICAN REPUBLIC | Signature | 20/02/1957 | |
| DOMINICAN REPUBLIC | Ratification | 10/10/1957 | |
| ECUADOR | Signature | 16/01/1958 | |
| ECUADOR | Ratification | 29/03/1960 | |
| Falkland Islands | Extension | 18/03/1958 | |
| Falkland Islands | Denunciation | 24/12/1981 | 24/12/1982 |
| Fiji | Extension | 18/03/1958 | |
| FIJI | Succession | 12/06/1972 | |
| FINLAND | Accession | 15/05/1968 | |
| GERMAN DEMOCRATIC REPUBLIC | Accession | 27/12/1973 | |
| GERMAN DEMOCRATIC REPUBLIC | Reservation | 27/12/1973 | |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 27/12/1973 | |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 16/07/1974 | |
| GERMANY FEDERAL REPUBLIC | Accession | 07/02/1974 | 08/05/1974 |
| GERMANY FEDERAL REPUBLIC | Declaration | 07/02/1974 | 08/05/1974 |
| GERMANY FEDERAL REPUBLIC | Communication | 19/09/1975 | |
| GHANA | Accession | 15/08/1966 | |
| Gibraltar | Extension | 18/03/1958 | |
| Gibraltar | Denunciation | 24/12/1981 | 24/12/1982 |
| Gilbert And Ellice Islands | Extension | 18/03/1958 | |
| Grenada | Extension | 18/03/1958 | |
| GUATEMALA | Signature | 20/02/1957 | |
| GUATEMALA | Ratification | 13/07/1960 | |
| GUATEMALA | Reservation | 13/07/1960 | |
| Guernsey | Denunciation | 24/12/1981 | 24/12/1982 |
| GUINEA | Signature | 19/03/1975 | |
| Hong Kong | Extension | 18/03/1958 | |
| Hong Kong | Denunciation | 24/12/1981 | 24/12/1982 |
| HUNGARY | Signature | 05/12/1957 | |
| HUNGARY | Ratification | 03/12/1959 | |
| ICELAND | Accession | 18/10/1977 | 16/01/1978 |
| INDIA | Signature | 15/05/1957 | |
| INDIA | Reservation | 15/05/1957 | |
| IRELAND, REPUBLIC OF | Signature | 24/09/1957 | |
| IRELAND, REPUBLIC OF | Ratification | 25/11/1957 | |
| Isle of Man | Extension | 28/08/1957 | |
| Isle of Man | Denunciation | 24/12/1981 | 24/12/1982 |
| ISRAEL | Signature | 12/03/1957 | |
| ISRAEL | Ratification | 07/06/1957 | |
| Jamaica | Extension | 18/03/1958 | |
| JAMAICA | Succession | 30/07/1964 | |
| Jersey | Denunciation | 24/12/1981 | 24/12/1982 |
| JORDAN | Accession | 01/07/1992 | 29/09/1992 |
| KAZAKHSTAN | Accession | 28/03/2000 | 26/06/2000 |
| Kenya | Extension | 18/03/1958 | |
| KYRGYZSTAN | Accession | 10/02/1997 | 11/05/1997 |
| Land Berlin | Extension | 07/02/1974 | 08/05/1974 |
| LATVIA | Accession | 14/04/1992 | 13/07/1992 |
| LESOTHO | Succession | 04/11/1974 | |
| LIBERIA | Accession | 16/09/2005 | 15/12/2005 |
| LIBYA | Accession | 16/05/1989 | 14/08/1989 |
| LUXEMBOURG | Signature | 11/09/1975 | |
| LUXEMBOURG | Ratification | 22/07/1977 | 20/10/1977 |
| MACEDONIA THE FYR OF | Succession | 20/04/1994 | 17/09/1994 |
| MADAGASCAR | Signature | 12/09/2002 | |
| MALAWI | Accession | 08/09/1966 | 07/12/1966 |
| MALAYA | Accession | 24/02/1959 | |
| MALI | Accession | 02/02/1973 | 03/05/1973 |
| Malta | Extension | 18/03/1958 | |
| MALTA | Succession | 07/06/1967 | 21/09/1964 |
| Mauritius | Extension | 18/03/1958 | |
| MAURITIUS | Succession | 18/07/1969 | 12/03/1968 |
| MEXICO | Accession | 04/04/1979 | 03/07/1979 |
| MONTENEGRO | Succession | 23/10/2006 | 03/06/2006 |
| Montserrat | Extension | 18/03/1958 | |
| Montserrat | Denunciation | 24/12/1981 | 24/12/1982 |
| NETHERLANDS THE | Accession | 08/08/1966 | |
| NETHERLANDS THE | Denunciation | 16/01/1992 | 16/01/1993 |
| Netherlands West Indies | Extension | 18/03/1958 | |
| NEW ZEALAND | Signature | 07/07/1958 | |
| NEW ZEALAND | Ratification | 17/12/1958 | |
| NICARAGUA | Accession | 09/01/1986 | 09/04/1986 |
| Niue Island | Extension | 17/12/1958 | |
| North Borneo | Extension | 18/03/1958 | |
| NORWAY | Signature | 09/09/1957 | |
| NORWAY | Ratification | 20/05/1958 | |
| PAKISTAN | Signature | 10/04/1958 | |
| Pitcairn Islands | Denunciation | 24/12/1981 | 24/12/1982 |
| POLAND | Accession | 03/07/1959 | |
| PORTUGAL | Signature | 21/02/1957 | |
| Rhodesia And Nyasaland | Extension | 19/05/1958 | |
| ROMANIA | Accession | 02/12/1960 | |
| RWANDA | Accession | 26/09/2003 | 25/12/2003 |
| SAINT LUCIA | Succession | 14/10/1991 | 22/02/1979 |
| Sarawak | Extension | 18/03/1958 | |
| Seychelles | Extension | 18/03/1958 | |
| Sierra Leone | Extension | 18/03/1958 | |
| SIERRA LEONE | Succession | 13/03/1962 | |
| Singapore | Extension | 18/03/1958 | |
| SINGAPORE | Succession | 18/03/1966 | |
| SLOVAK REPUBLIC | Succession | 28/05/1993 | 01/01/1993 |
| SLOVENIA | Succession | 06/07/1992 | 25/06/1991 |
| Solomon Islands | Extension | 18/03/1958 | |
| Somaliland Protectorate | Extension | 18/03/1958 | |
| SOUTH AFRICA | Signature | 29/01/1993 | |
| SOUTH AFRICA | Ratification | 17/12/2002 | 16/03/2003 |
| Sovereign Base Areas | Denunciation | 24/12/1981 | 24/12/1982 |
| SOVIET UNION | Signature | 06/09/1957 | |
| SOVIET UNION | Ratification | 17/09/1958 | |
| SOVIET UNION | Communication | 24/05/1974 | |
| St Christopher, Nevis and Anguilla | Extension | 18/03/1958 | |
| St Christopher, Nevis and Anguilla | Denunciation | 24/12/1981 | 24/12/1982 |
| St Helena | Extension | 18/03/1958 | |
| St Helena | Denunciation | 24/12/1981 | 24/12/1982 |
| St Helena And Dependencies | Denunciation | 24/12/1981 | 24/12/1982 |
| St Lucia | Extension | 18/03/1958 | |
| St Vincent | Extension | 18/03/1958 | |
| ST VINCENT AND THE GRENADINES | Succession | 27/04/1999 | 27/10/1979 |
| Surinam | Extension | 08/08/1966 | |
| Swaziland | Extension | 18/03/1958 | |
| SWAZILAND | Accession | 18/09/1970 | 17/12/1970 |
| SWEDEN | Signature | 06/05/1957 | |
| SWEDEN | Ratification | 13/05/1958 | |
| Tanganyika | Extension | 18/03/1958 | |
| TANGANYIKA | Accession | 28/11/1962 | |
| The Gambia | Extension | 18/03/1958 | |
| Tokelau Islands | Extension | 17/12/1958 | |
| Tonga | Extension | 03/11/1960 | 03/11/1960 |
| Trinidad And Tobago | Extension | 18/03/1958 | |
| TRINIDAD AND TOBAGO | Succession | 11/04/1966 | 31/08/1962 |
| TUNISIA | Accession | 24/01/1968 | |
| TUNISIA | Reservation | 24/01/1968 | |
| Turks And Caicos Islands | Denunciation | 24/12/1981 | 24/12/1982 |
| Uganda | Extension | 18/03/1958 | |
| UGANDA | Accession | 15/04/1965 | |
| UKRAINE | Signature | 15/10/1957 | |
| UKRAINE | Ratification | 03/12/1958 | |
| UKRAINE | Objection | 06/08/1974 | |
| UNITED KINGDOM | Signature | 20/02/1957 | |
| UNITED KINGDOM | Ratification | 28/08/1957 | 01/01/1900 |
| UNITED KINGDOM | Statement | 08/07/1975 | 01/01/1900 |
| UNITED KINGDOM | Denunciation | 24/12/1981 | 24/12/1982 |
| URUGUAY | Signature | 20/02/1957 | |
| URUGUAY | Reservation | 20/02/1957 | |
| VENEZUELA | Accession | 31/05/1983 | 29/08/1983 |
| VENEZUELA | Reservation | 31/05/1983 | 01/01/1900 |
| Western Samoa | Extension | 17/12/1958 | |
| YUGOSLAVIA | Signature | 27/03/1957 | |
| YUGOSLAVIA | Ratification | 13/03/1959 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Succession | 12/03/2001 | 27/04/1992 |
| ZAMBIA | Succession | 22/01/1975 | 01/01/1900 |
| Zanzibar | Extension | 18/03/1958 | |
| ZIMBABWE | Succession | 01/12/1998 | 18/04/1980 |