| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ALGERIA | Ratification | 19/10/1962 | |
| ARGENTINA | Ratification | 17/02/1955 | |
| BULGARIA | Ratification | 29/12/1949 | |
| DJIBOUTI | Succession | 03/08/1978 | |
| EGYPT | Ratification | 04/08/1982 | |
| FRANCE | Ratification | 09/12/1948 | |
| GREECE | Ratification | 02/12/1986 | |
| ITALY | Ratification | 10/04/1962 | |
| LEBANON | Ratification | 06/12/1993 | 06/06/1994 |
| NETHERLANDS THE | Ratification | 27/08/1957 | |
| NORWAY | Ratification | 04/07/1949 | |
| PANAMA | Ratification | 04/06/1971 | |
| PERU | Ratification | 04/04/1962 | |
| UNITED KINGDOM |