| Country | Action | Action Date | Effective Date |
|---|
| AUSTRALIA | Signature | 28/06/1954 | |
| AUSTRALIA | Ratification | 20/11/1954 | |
| AUSTRIA | Accession | 14/06/1957 | |
| Belgian Congo | Extension | 16/05/1955 | |
| BELGIUM | Signature | 10/03/1954 | |
| BELGIUM | Ratification | 16/05/1955 | |
| BOLIVIA | Signature | 03/06/1954 | |
| BOLIVIA | Ratification | 29/12/1954 | |
| CANADA | Signature | 28/06/1954 | |
| CANADA | Ratification | 13/09/1954 | |
| DENMARK | Signature | 28/06/1954 | |
| DENMARK | Ratification | 19/11/1954 | |
| ECUADOR | Signature | 28/06/1954 | |
| ECUADOR | Ratification | 07/03/1955 | |
| ECUADOR | Withdrawal | 05/12/1957 | |
| FRANCE | Signature | 25/06/1954 | |
| FRANCE | Ratification | 26/09/1955 | 26/09/1955 |
| INDIA | Signature | 20/05/1954 | |
| INDIA | Ratification | 15/01/1955 | |
| INDONESIA | Signature | 22/06/1954 | |
| INDONESIA | Ratification | 16/05/1956 | |
| ISRAEL | Accession | 15/10/1956 | |
| ITALY | Signature | 30/06/1954 | |
| ITALY | Ratification | 07/08/1956 | |
| JAPAN | Signature | 29/06/1954 | |
| KOREA | Accession | 09/05/1958 | |
| LEBANON | Signature | 30/06/1954 | |
| Malaya | Extension | 15/12/1954 | |
| NETHERLANDS THE | Signature | 12/03/1954 | |
| NETHERLANDS THE | Ratification | 05/11/1955 | |
| Nigeria | Extension | 15/12/1954 | |
| Ruanda Urundi | Extension | 16/05/1955 | |
| SPAIN | Signature | 29/06/1954 | |
| SPAIN | Ratification | 07/06/1955 | |
| THAILAND | Signature | 29/06/1954 | |
| THAILAND | Ratification | 18/03/1957 | |
| TURKEY | Signature | 28/06/1954 | |
| TURKEY | Ratification | 01/10/1956 | |
| UNITED KINGDOM | Signature | 05/03/1954 | |
| UNITED KINGDOM | Signature | 05/04/1954 | |
| UNITED KINGDOM | Ratification | 15/12/1954 | |