| Country | Action | Action Date | Effective Date |
|---|
| AUSTRALIA | Definitive Signature | 19/02/1954 | |
| CANADA | Signature | 19/02/1954 | |
| CANADA | Acceptance | 01/06/1954 | |
| FRANCE | Definitive Signature | 12/04/1954 | |
| ITALY | Definitive Signature | 19/05/1954 | |
| JAPAN | Signature | 19/02/1954 | |
| JAPAN | Acceptance | 01/06/1954 | |
| NEW ZEALAND | Signature | 19/02/1954 | |
| NEW ZEALAND | Acceptance | 01/06/1954 | |
| PHILIPPINES | Definitive Signature | 19/02/1954 | |
| SOUTH AFRICA | Signature | 19/02/1954 | |
| SOUTH AFRICA | Acceptance | 27/10/1954 | |
| THAILAND | Accession | 12/08/1954 | |
| TURKEY | Accession | 18/06/1958 | |
| UNITED KINGDOM | Signature | 19/02/1954 | |
| UNITED KINGDOM | Definitive Signature | 19/02/1954 | |
| UNITED STATES OF AMERICA | Definitive Signature | 19/02/1954 | |