| Country | Action | Action Date | Effective Date |
|---|
| ALGERIA | Accession | 24/03/1972 | 05/07/1972 |
| BOSNIA AND HERZEGOVINA | Accession | 22/03/2013 | 22/06/2013 |
| BULGARIA | Accession | 29/04/1975 | 12/08/1975 |
| CROATIA | Objection | 05/06/2000 | |
| CUBA | Signature | 14/07/1967 | |
| CUBA | Ratification | 04/07/1980 | 07/10/1980 |
| CZECH REPUBLIC | Succession | 18/12/1992 | 01/01/1993 |
| CZECHOSLOVAKIA | Accession | 29/12/1970 | |
| EGYPT | Accession | 03/12/1974 | 06/03/1975 |
| FRANCE | Signature | 14/07/1967 | |
| FRANCE | Ratification | 02/05/1975 | 12/08/1975 |
| GERMAN DEMOCRATIC REPUBLIC | Accession | 20/06/1968 | |
| GERMANY FEDERAL REPUBLIC | Objection | 01/01/1905 | |
| GERMANY FEDERAL REPUBLIC | Signature | 14/07/1967 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 19/06/1970 | 19/09/1970 |
| HUNGARY | Signature | 12/01/1968 | |
| HUNGARY | Ratification | 18/12/1969 | |
| IRAN | Accession | 18/03/2004 | 18/06/2004 |
| IRELAND, REPUBLIC OF | Signature | 12/01/1968 | |
| IRELAND, REPUBLIC OF | Ratification | 27/07/1968 | |
| ISRAEL | Signature | 14/07/1967 | |
| ISRAEL | Ratification | 30/07/1969 | |
| ITALY | Signature | 14/07/1967 | |
| ITALY | Ratification | 20/01/1977 | 14/04/1977 |
| JAPAN | Signature | 14/07/1967 | |
| JAPAN | Ratification | 20/01/1975 | 24/04/1975 |
| LIECHTENSTEIN | Signature | 14/07/1967 | |
| LIECHTENSTEIN | Ratification | 21/02/1972 | 25/05/1972 |
| MACEDONIA THE FYR OF | Objection | 05/06/2000 | |
| MOLDOVA REPUBLIC OF | Accession | 05/01/2001 | 05/04/2001 |
| MONACO | Signature | 14/07/1967 | |
| MONACO | Ratification | 27/06/1975 | 04/10/1975 |
| MONTENEGRO | Declaration | | 03/06/2006 |
| MOROCCO | Signature | 14/07/1967 | |
| POLAND | Signature | 14/07/1967 | |
| PORTUGAL | Signature | 14/07/1967 | |
| SAN MARINO | Accession | 26/03/1991 | 26/06/1991 |
| SERBIA AND MONTENEGRO | Accession | 18/05/2000 | 18/05/2000 |
| SLOVAK REPUBLIC | Succession | 30/12/1992 | 01/01/1993 |
| SLOVENIA | Objection | 05/06/2000 | |
| SPAIN | Signature | 14/07/1967 | |
| SPAIN | Accession | 14/08/1973 | |
| SWEDEN | Signature | 14/07/1967 | |
| SWEDEN | Ratification | 12/08/1969 | |
| SWITZERLAND | Signature | 14/07/1967 | |
| SWITZERLAND | Ratification | 26/01/1970 | |
| TUNISIA | Signature | 14/07/1967 | |
| UNITED KINGDOM | Signature | 14/07/1967 | |
| UNITED KINGDOM | Ratification | 26/02/1969 | |
| UNITED KINGDOM | Objection | 26/02/1969 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Accession | 18/02/2000 | 18/05/2000 |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Notification | 05/06/2000 | |