| Country | Action | Action Date | Effective Date |
|---|
| ALBANIA | Accession | 23/06/2003 | 22/09/2003 |
| ALBANIA | Accession | 20/09/2011 | 19/12/2011 |
| Algeria | Extension | 08/03/1960 | |
| ALGERIA | Accession | 15/07/1964 | |
| ANTIGUA AND BARBUDA | Succession | 25/10/1988 | 01/11/1981 |
| ANTIGUA AND BARBUDA | Reservation | 25/10/1988 | 01/11/1981 |
| ARGENTINA | Notification | 23/08/1962 | |
| ARGENTINA | Notification | 27/08/1962 | |
| ARGENTINA | Communication | 28/08/1962 | |
| ARGENTINA | Accession | 01/06/1972 | |
| ARGENTINA | Declaration | 01/06/1972 | |
| ARMENIA | Accession | 18/05/1994 | 16/08/1994 |
| AUSTRALIA | Accession | 13/12/1973 | 13/03/1974 |
| AUSTRIA | Accession | 08/02/2008 | 08/05/2008 |
| AUSTRIA | Reservation | 08/02/2008 | |
| AUSTRIA | Declaration | 08/02/2008 | |
| AZERBAIJAN | Accession | 16/08/1996 | 14/11/1996 |
| BARBADOS | Succession | 06/03/1972 | |
| BARBADOS | Declaration | 06/03/1972 | |
| BARBADOS | Withdrawal Res. | 06/03/1972 | |
| Basutoland | Extension | 07/12/1959 | |
| Basutoland | Reservation | 07/12/1959 | |
| Bechuanaland | Extension | 07/12/1959 | |
| Bechuanaland | Reservation | 07/12/1959 | |
| BELGIUM | Signature | 28/09/1954 | |
| BELGIUM | Ratification | 27/05/1960 | |
| BELIZE | Accession | 14/09/2006 | 13/12/2006 |
| BENIN | Accession | 08/12/2011 | 07/03/2012 |
| Berlin West | Extension | 26/10/1976 | 24/01/1977 |
| Bermuda | Extension | 19/03/1962 | 17/06/1962 |
| BOLIVIA | Accession | 06/10/1983 | 04/01/1984 |
| BOSNIA AND HERZEGOVINA | Succession | 01/09/1993 | 06/03/1992 |
| BOTSWANA | Succession | 25/02/1969 | |
| BOTSWANA | Declaration | 25/02/1969 | |
| BRAZIL | Signature | 28/09/1954 | |
| British Guiana | Extension | 19/03/1962 | 17/06/1962 |
| British Guiana | Reservation | 19/03/1962 | 17/06/1962 |
| British Honduras | Extension | 19/03/1962 | 17/06/1962 |
| British Honduras | Reservation | 19/03/1962 | 17/06/1962 |
| British Virgin Islands | Extension | 19/03/1962 | 17/06/1962 |
| BULGARIA | Accession | 22/03/2012 | 20/06/2012 |
| BULGARIA | Reservation | 22/03/2012 | |
| BURKINA FASO | Accession | 01/05/2012 | 30/07/2012 |
| CHAD | Accession | 12/08/1999 | 10/11/1999 |
| Channel Islands | Extension | 16/04/1959 | |
| Channel Islands | Reservation | 16/04/1959 | |
| COLOMBIA | Signature | 30/12/1954 | |
| Comoro Islands | Extension | 08/03/1960 | |
| COSTA RICA | Signature | 28/09/1954 | |
| COSTA RICA | Reservation | 28/09/1954 | |
| COSTA RICA | Ratification | 02/11/1977 | 31/01/1978 |
| COSTA RICA | Withdrawal Res. | 02/11/1977 | 31/01/1978 |
| CROATIA | Succession | 12/10/1992 | 08/10/1991 |
| CZECH REPUBLIC | Accession | 19/07/2004 | 17/10/2004 |
| CZECH REPUBLIC | Declaration | 19/07/2004 | 01/01/1900 |
| DENMARK | Signature | 28/09/1954 | |
| DENMARK | Ratification | 17/01/1956 | |
| DENMARK | Reservation | 17/01/1956 | |
| DENMARK | Withdrawal Res. | 23/08/1962 | 01/10/1961 |
| DENMARK | Withdrawal Res. | 25/03/1968 | 25/03/1968 |
| ECUADOR | Signature | 28/09/1954 | |
| ECUADOR | Ratification | 02/10/1970 | |
| Falkland Islands | Extension | 19/03/1962 | 17/06/1962 |
| Falkland Islands | Reservation | 19/03/1962 | 17/06/1962 |
| Fiji | Extension | 19/03/1962 | 17/06/1962 |
| Fiji | Reservation | 19/03/1962 | 17/06/1962 |
| FIJI | Succession | 12/06/1972 | |
| FIJI | Statement | 12/06/1972 | |
| FIJI | Withdrawal Res. | 12/06/1972 | |
| FINLAND | Accession | 10/10/1968 | |
| FINLAND | Reservation | 10/10/1968 | |
| FINLAND | Withdrawal Res. | 30/09/1970 | |
| FINLAND | Corrigendum | 30/09/1970 | |
| FRANCE | Signature | 12/01/1955 | |
| FRANCE | Ratification | 08/03/1960 | |
| FRANCE | Declaration | 08/03/1960 | |
| French Guiana | Extension | 08/03/1960 | |
| French Polynesia | Extension | 08/03/1960 | |
| French Somaliland | Extension | 08/03/1960 | |
| GEORGIA | Accession | 23/12/2011 | 22/03/2012 |
| GERMANY FEDERAL REPUBLIC | Signature | 28/09/1954 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 26/10/1976 | 24/01/1977 |
| GERMANY FEDERAL REPUBLIC | Declaration | 26/10/1976 | 24/01/1977 |
| GERMANY FEDERAL REPUBLIC | Reservation | 26/10/1976 | |
| GERMANY FEDERAL REPUBLIC | Notification | 26/10/1976 | |
| Gilbert And Ellice Islands | Extension | 19/03/1962 | 17/06/1962 |
| Gilbert And Ellice Islands | Reservation | 19/03/1962 | 17/06/1962 |
| GREECE | Accession | 04/11/1975 | 02/02/1976 |
| Guadeloupe | Extension | 08/03/1960 | |
| GUATEMALA | Signature | 28/09/1954 | |
| GUATEMALA | Reservation | 28/09/1954 | |
| GUATEMALA | Ratification | 28/11/2000 | 26/02/2001 |
| GUATEMALA | Confirmation | 28/11/2000 | |
| GUINEA | Accession | 21/03/1962 | 19/06/1962 |
| HONDURAS | Signature | 28/09/1954 | |
| HONDURAS | Reservation | 28/09/1954 | |
| HONDURAS | Ratification | 01/10/2012 | 30/12/2012 |
| Hong Kong | Extension | 19/03/1962 | 17/06/1962 |
| Hong Kong | Reservation | 19/03/1962 | 17/06/1962 |
| Hong Kong | Notification | 01/07/1997 | |
| HONG KONG SAR | Application | 10/06/1997 | 01/07/1997 |
| HUNGARY | Accession | 21/11/2001 | 19/02/2002 |
| HUNGARY | Reservation | 21/11/2001 | |
| HUNGARY | Withdrawal Res. | 03/07/2012 | |
| IRELAND, REPUBLIC OF | Accession | 17/12/1962 | |
| IRELAND, REPUBLIC OF | Reservation | 17/12/1962 | |
| IRELAND, REPUBLIC OF | Declaration | 17/12/1962 | |
| Isle of Man | Reservation | 16/04/1959 | |
| Isle of Man | Extension | 16/04/1959 | |
| ISRAEL | Signature | 01/10/1954 | |
| ISRAEL | Ratification | 23/12/1958 | |
| ITALY | Signature | 20/10/1954 | |
| ITALY | Reservation | 20/10/1954 | |
| ITALY | Declaration | 20/10/1954 | |
| ITALY | Ratification | 03/12/1962 | |
| ITALY | Reservation | 03/12/1962 | |
| ITALY | Withdrawal Res. | 25/01/1968 | |
| Kenya | Extension | 19/03/1962 | 17/06/1962 |
| Kenya | Reservation | 19/03/1962 | 17/06/1962 |
| KIRIBATI | Succession | 29/11/1983 | |
| KIRIBATI | Reservation | 29/11/1983 | |
| KOREA REPUBLIC OF | Accession | 22/08/1962 | 20/11/1962 |
| LATVIA | Accession | 05/11/1999 | 03/02/2000 |
| LATVIA | Reservation | 05/11/1999 | |
| LESOTHO | Succession | 04/11/1974 | |
| LESOTHO | Reservation | 04/11/1974 | |
| LESOTHO | Reservation | 04/11/1974 | 02/02/1975 |
| LIBERIA | Accession | 11/09/1964 | |
| LIBYA | Accession | 16/05/1989 | 14/08/1989 |
| LIECHTENSTEIN | Signature | 28/09/1954 | |
| LIECHTENSTEIN | Ratification | 25/09/2009 | 24/12/2009 |
| LITHUANIA | Accession | 07/02/2000 | 07/05/2000 |
| LUXEMBOURG | Signature | 28/10/1955 | |
| LUXEMBOURG | Ratification | 27/06/1960 | |
| MACEDONIA THE FYR OF | Succession | 18/01/1994 | 17/09/1991 |
| MADAGASCAR | Accession | 20/02/1962 | 21/05/1962 |
| MADAGASCAR | Denunciation | 02/04/1965 | 02/04/1966 |
| MALAWI | Denunciation | 22/03/1968 | |
| MALAWI | Accession | 07/10/2009 | 05/01/2010 |
| Malta | Extension | 19/03/1962 | 17/06/1962 |
| Martinique | Extension | 08/03/1960 | |
| Mauritius | Extension | 19/03/1962 | 17/06/1962 |
| Mauritius | Reservation | 19/03/1962 | 17/06/1962 |
| MEXICO | Accession | 07/06/2000 | 05/09/2000 |
| MEXICO | Reservation | 07/06/2000 | |
| MEXICO | Withdrawal Res. | 11/07/2014 | |
| MOLDOVA REPUBLIC OF | Reservation | 01/04/2012 | 18/07/2012 |
| MOLDOVA REPUBLIC OF | Accession | 19/04/2012 | 18/07/2012 |
| MONTENEGRO | Succession | 23/10/2006 | 03/06/2006 |
| NETHERLANDS THE | Signature | 28/09/1954 | |
| NETHERLANDS THE | Ratification | 12/04/1962 | |
| NETHERLANDS THE | Reservation | 12/04/1962 | |
| NETHERLANDS THE | Notification | 12/04/1962 | |
| Netherlands West Indies | Extension | | 17/06/1962 |
| New Caledonia And Dependences | Extension | 08/03/1960 | |
| New Guinea | Extension | 12/04/1962 | |
| NICARAGUA | Accession | 15/07/2013 | 13/10/2013 |
| NICARAGUA | Declaration | 15/07/2013 | |
| NIGER | Accession | 07/11/2014 | 05/02/2015 |
| NIGERIA | Accession | 20/09/2011 | 19/12/2011 |
| North Borneo | Extension | 19/03/1962 | 17/06/1962 |
| North Borneo | Reservation | 19/03/1962 | 17/06/1962 |
| NORWAY | Signature | 28/09/1954 | |
| NORWAY | Ratification | 19/11/1956 | |
| PANAMA | Accession | 02/06/2011 | 31/08/2011 |
| PERU | Accession | 23/01/2014 | 23/04/2014 |
| PHILIPPINES | Signature | 22/06/1955 | |
| PHILIPPINES | Reservation | 22/06/1955 | |
| PHILIPPINES | Ratification | 22/09/2011 | 21/12/2011 |
| PORTUGAL | Accession | 01/10/2012 | 30/12/2012 |
| PORTUGAL | Reservation | 01/10/2012 | 30/12/2012 |
| Rhodesia And Nyasaland | Extension | 09/12/1959 | |
| Rhodesia And Nyasaland | Reservation | 09/12/1959 | |
| ROMANIA | Accession | 27/01/2006 | 27/04/2006 |
| ROMANIA | Reservation | 27/01/2006 | 27/04/2006 |
| RWANDA | Accession | 04/10/2006 | 02/01/2007 |
| SALVADOR | Signature | 28/09/1954 | |
| SALVADOR | Reservation | 28/09/1954 | |
| Saoura And Oases | Extension | 08/03/1960 | |
| Sarawak | Extension | 19/03/1962 | 17/06/1962 |
| SENEGAL | Accession | 21/09/2005 | 20/12/2005 |
| Seychelles | Extension | 19/03/1962 | 17/06/1962 |
| Singapore, State of | Extension | 19/03/1962 | 17/06/1962 |
| Singapore, State of | Reservation | 19/03/1962 | 17/06/1962 |
| SLOVAK REPUBLIC | Accession | 03/04/2000 | 02/07/2000 |
| SLOVAK REPUBLIC | Declaration | 03/04/2000 | |
| SLOVENIA | Succession | 06/07/1992 | 25/06/1991 |
| Solomon Islands Protectorate | Extension | 19/03/1962 | 17/06/1962 |
| Solomon Islands Protectorate | Reservation | 19/03/1962 | 17/06/1962 |
| SOVIET UNION | Objection | 13/10/1976 | |
| SPAIN | Accession | 12/05/1997 | 10/08/1997 |
| SPAIN | Reservation | 12/05/1997 | 10/08/1997 |
| St Helena | Extension | 19/03/1962 | 17/06/1962 |
| St Pierre and Miquelon | Extension | 08/03/1960 | |
| ST VINCENT AND THE GRENADINES | Succession | 27/04/1999 | 27/10/1999 |
| ST VINCENT AND THE GRENADINES | Reservation | 27/04/1999 | |
| Surinam | Extension | 12/04/1962 | |
| Swaziland | Extension | 07/12/1959 | |
| Swaziland | Reservation | 07/12/1959 | |
| SWEDEN | Signature | 28/09/1954 | |
| SWEDEN | Ratification | 02/04/1965 | |
| SWEDEN | Reservation | 02/04/1965 | |
| SWEDEN | Withdrawal | 25/11/1966 | |
| SWEDEN | Withdrawal Res. | 05/03/1970 | |
| SWITZERLAND | Signature | 28/09/1954 | |
| SWITZERLAND | Ratification | 03/07/1972 | 01/10/1972 |
| The Gambia | Extension | 19/01/1962 | 17/06/1962 |
| The Gambia | Reservation | 19/01/1962 | 17/06/1962 |
| The Gambia | Reservation | 19/03/1962 | 17/06/1962 |
| TRINIDAD AND TOBAGO | Succession | 11/04/1966 | 31/08/1962 |
| TUNISIA | Accession | 29/07/1969 | |
| TURKMENISTAN | Accession | 07/12/2011 | 06/03/2012 |
| Uganda | Extension | 19/03/1962 | 17/06/1962 |
| UGANDA | Accession | 15/04/1965 | |
| UNITED KINGDOM | Signature | 28/09/1954 | |
| UNITED KINGDOM | Ratification | 16/04/1959 | |
| UNITED KINGDOM | Declaration | 16/04/1959 | |
| UNITED KINGDOM | Reservation | 16/04/1959 | |
| VATICAN CITY | Signature | 28/09/1954 | |
| VATICAN CITY | Declaration | 28/09/1954 | |
| West Indies | Extension | 19/03/1962 | 17/06/1962 |
| West Indies | Reservation | 19/03/1962 | 17/06/1962 |
| YUGOSLAVIA | Accession | 09/04/1959 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Succession | 12/03/2001 | 27/04/1992 |
| ZAMBIA | Succession | 01/11/1974 | 30/01/1975 |
| ZAMBIA | Declaration | 01/11/1974 | 30/01/1975 |
| Zanzibar | Extension | 19/03/1962 | 17/06/1962 |
| ZIMBABWE | Succession | 01/12/1998 | 18/04/1980 |