| Country | Action | Action Date | Effective Date |
|---|
| Aden Colony | Extension | 01/10/1962 | |
| ALBANIA | Accession | 14/10/2008 | 12/01/2009 |
| Antigua | Extension | 01/10/1962 | |
| Antilles | Extension | 22/10/1962 | |
| Antilles | Declaration | 01/01/1986 | |
| Aruba | Extension | 01/01/1986 | |
| AUSTRALIA | Accession | 01/10/1969 | |
| AUSTRIA | Accession | 07/10/1963 | |
| Bahamas | Extension | 01/10/1962 | |
| BELGIUM | Signature | 21/01/1961 | |
| BELGIUM | Ratification | 14/03/1962 | |
| BOSNIA AND HERZEGOVINA | Succession | 12/01/1994 | 06/03/1992 |
| British Honduras | Extension | 01/10/1962 | |
| BULGARIA | Definitive Signature | 28/01/1961 | |
| BULGARIA | Reservation | 28/01/1961 | |
| BULGARIA | Withdrawal Res. | 06/05/1994 | |
| Channel Islands | Extension | 01/10/1962 | |
| CROATIA | Succession | 31/08/1994 | 08/10/1991 |
| CUBA | Accession | 26/09/1963 | |
| CUBA | Reservation | 26/09/1963 | |
| CZECH REPUBLIC | Succession | 02/06/1993 | 01/01/1993 |
| CZECH REPUBLIC | Declaration | 02/06/1993 | |
| CZECHOSLOVAKIA | Accession | 31/05/1962 | |
| CZECHOSLOVAKIA | Reservation | 31/05/1962 | |
| DENMARK | Definitive Signature | 14/03/1961 | |
| Falkland Islands | Extension | 01/10/1962 | |
| Fiji | Extension | 01/10/1962 | |
| FINLAND | Accession | 19/08/1966 | |
| FRANCE | Signature | 08/03/1961 | |
| FRANCE | Ratification | 12/03/1962 | |
| GERMAN DEMOCRATIC REPUBLIC | Accession | 15/03/1977 | 13/06/1977 |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 15/03/1977 | |
| GERMAN DEMOCRATIC REPUBLIC | Reservation | 15/03/1977 | |
| GERMANY FEDERAL REPUBLIC | Signature | 20/12/1960 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 29/09/1964 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 29/09/1964 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 22/02/1978 | |
| Gilbert And Ellice Islands | Extension | 01/10/1962 | |
| Grenada | Extension | 01/10/1962 | |
| Hong Kong | Extension | 01/10/1962 | |
| HUNGARY | Withdrawal Dec. | 01/01/1905 | |
| HUNGARY | Accession | 26/07/1963 | |
| HUNGARY | Reservation | 26/07/1963 | |
| Isle of Man | Extension | 01/10/1962 | |
| ITALY | Signature | 15/03/1961 | |
| ITALY | Ratification | 05/01/1967 | |
| Kenya | Extension | 01/10/1962 | |
| Land Berlin | Extension | 29/09/1964 | |
| LIECHTENSTEIN | Signature | 06/03/1961 | |
| LIECHTENSTEIN | Ratification | 24/04/1963 | |
| LUXEMBOURG | Signature | 06/02/1961 | |
| LUXEMBOURG | Ratification | 31/07/1962 | |
| MONTENEGRO | Succession | 23/10/2006 | 03/06/2006 |
| Montserrat | Extension | 01/10/1962 | |
| NETHERLANDS THE | Signature | 13/03/1961 | |
| NETHERLANDS THE | Ratification | 22/10/1962 | |
| NETHERLANDS THE | Declaration | 22/10/1962 | |
| NETHERLANDS THE | Declaration | 01/01/1986 | |
| North Borneo | Extension | 01/10/1962 | |
| NORWAY | Accession | 27/10/1964 | |
| POLAND | Objection | 01/01/1905 | |
| POLAND | Accession | 04/09/1969 | |
| POLAND | Reservation | 04/09/1969 | |
| PORTUGAL | Accession | 15/01/1968 | |
| ROMANIA | Accession | 15/05/1964 | |
| ROMANIA | Reservation | 15/05/1964 | |
| Sarawak | Extension | 01/10/1962 | |
| SLOVAK REPUBLIC | Succession | 28/05/1993 | 01/01/1993 |
| SLOVENIA | Succession | 03/11/1992 | 25/06/1991 |
| Solomon Islands Protectorate | Extension | 01/10/1962 | |
| SPAIN | Accession | 02/02/1973 | 03/05/1973 |
| SWEDEN | Definitive Signature | 01/03/1961 | |
| SWITZERLAND | Signature | 06/03/1961 | |
| SWITZERLAND | Ratification | 24/04/1963 | |
| The Gambia | Extension | 01/10/1962 | |
| TURKEY | Accession | 10/10/1974 | 08/01/1975 |
| Uganda | Extension | 01/10/1962 | |
| UNITED KINGDOM | Signature | 07/02/1961 | |
| UNITED KINGDOM | Ratification | 01/10/1962 | |
| UNITED KINGDOM | Declaration | 01/10/1962 | |
| YUGOSLAVIA | Accession | 19/06/1964 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Succession | 12/03/2001 | 27/04/1992 |