| Country | Action | Action Date | Effective Date |
|---|
| AUSTRIA | Signature | 31/01/1963 | |
| BELGIUM | Signature | 31/01/1963 | |
| BELGIUM | Ratification | 20/08/1985 | 20/11/1985 |
| BELGIUM | Declaration | 28/03/1994 | |
| BELGIUM | Notification | 04/07/2007 | |
| Berlin West | Extension | 01/01/1905 | |
| DENMARK | Signature | 31/01/1963 | |
| DENMARK | Ratification | 04/09/1974 | |
| DENMARK | Communication | 28/07/1988 | |
| FINLAND | Accession | 14/01/1977 | |
| FINLAND | Communication | 08/07/1998 | 02/04/1998 |
| FINLAND | Declaration | 13/10/1998 | 20/08/1998 |
| FRANCE | Signature | 31/01/1963 | |
| FRANCE | Ratification | 30/03/1966 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 01/01/1905 | |
| GERMANY FEDERAL REPUBLIC | Signature | 31/01/1963 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 01/10/1975 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 01/10/1975 | |
| GERMANY FEDERAL REPUBLIC | Communication | 14/02/1983 | |
| GERMANY FEDERAL REPUBLIC | Communication | 06/04/1984 | |
| GERMANY FEDERAL REPUBLIC | Communication | 29/03/1985 | |
| GERMANY FEDERAL REPUBLIC | Communication | 16/01/1986 | |
| GERMANY FEDERAL REPUBLIC | Communication | 16/08/1988 | |
| GERMANY FEDERAL REPUBLIC | Communication | 01/02/1993 | |
| GERMANY FEDERAL REPUBLIC | Communication | 09/04/1998 | |
| GERMANY FEDERAL REPUBLIC | Communication | 26/03/1999 | |
| GERMANY FEDERAL REPUBLIC | Communication | 02/04/2001 | |
| GERMANY FEDERAL REPUBLIC | Communication | 26/03/2002 | |
| GERMANY FEDERAL REPUBLIC | Communication | 28/02/2003 | |
| GERMANY FEDERAL REPUBLIC | Communication | 25/07/2003 | 01/01/1900 |
| Guernsey | Extension | 08/04/1982 | |
| Isle of Man | Extension | 24/11/1978 | |
| ITALY | Signature | 31/01/1963 | |
| ITALY | Ratification | 03/02/1976 | 03/05/1976 |
| Jersey | Extension | 09/05/1983 | |
| LUXEMBOURG | Signature | 31/01/1963 | |
| NETHERLANDS THE | Signature | 31/01/1963 | |
| NETHERLANDS THE | Declaration | 31/01/1963 | |
| NETHERLANDS THE | Ratification | 28/09/1979 | 29/12/1979 |
| NETHERLANDS THE | Declaration | 28/09/1979 | |
| NORWAY | Signature | 31/01/1963 | |
| NORWAY | Declaration | 31/01/1963 | |
| NORWAY | Ratification | 09/07/1973 | |
| NORWAY | Declaration | 10/05/1996 | |
| SLOVENIA | Accession | 13/12/2001 | 14/03/2002 |
| SLOVENIA | Declaration | 07/02/2003 | 01/01/1900 |
| SLOVENIA | Notification | 27/05/2005 | |
| SPAIN | Signature | 31/01/1963 | |
| SPAIN | Ratification | 27/07/1966 | |
| SPAIN | Communication | 09/07/1986 | 01/01/1900 |
| SPAIN | Communication | 24/03/1999 | 01/01/1900 |
| SPAIN | Communication | 01/09/2003 | 01/01/1900 |
| SWEDEN | Signature | 31/01/1963 | |
| SWEDEN | Ratification | 03/04/1968 | |
| SWEDEN | Communication | 17/12/1982 | |
| SWITZERLAND | Signature | 31/01/1963 | |
| UNITED KINGDOM | Signature | 31/01/1963 | |
| UNITED KINGDOM | Ratification | 24/03/1966 | |
| UNITED KINGDOM | Extension | 24/11/1978 | |
| UNITED KINGDOM | Extension | 08/04/1982 | |
| UNITED KINGDOM | Extension | 09/05/1983 | |