| Country | Action | Action Date | Effective Date |
|---|
| ALBANIA | Acceptance | 10/04/1991 | |
| ALGERIA | Acceptance | 11/12/1967 | |
| BULGARIA | Acceptance | 03/07/1972 | |
| BULGARIA | Reservation | 03/07/1972 | |
| CROATIA | Acceptance | 22/05/1995 | |
| CYPRUS | Acceptance | 10/06/1965 | |
| EGYPT | Acceptance | 19/02/1951 | |
| EUROPEAN UNION | Acceptance | 25/06/1998 | |
| FRANCE | Acceptance | 08/07/1952 | |
| FRANCE | Declaration | 22/06/1954 | |
| FRANCE | Declaration | 13/11/1998 | |
| GREECE | Acceptance | 07/04/1952 | |
| ISRAEL | Acceptance | 20/02/1952 | |
| ITALY | Acceptance | 29/05/1950 | |
| JAPAN | Acceptance | 12/06/1997 | |
| LEBANON | Acceptance | 14/11/1960 | |
| LIBYA | Acceptance | 13/05/1963 | |
| MALTA | Acceptance | 29/04/1965 | |
| MONACO | Acceptance | 14/05/1954 | |
| MOROCCO | Acceptance | 17/09/1956 | |
| ROMANIA | Acceptance | 19/02/1971 | |
| SPAIN | Acceptance | 19/10/1953 | |
| SYRIA | Acceptance | 12/12/1975 | |
| TUNISIA | Acceptance | 22/06/1954 | |
| Tunisia | Extension | 22/06/1954 | |
| TURKEY | Acceptance | 06/04/1954 | |
| UNITED KINGDOM | Acceptance | 20/11/1950 | |
| UNITED KINGDOM | Withdrawal | 25/03/1968 | 25/06/1968 |
| YUGOSLAVIA | Acceptance | 12/10/1951 | |