| Country | Action | Action Date | Effective Date |
|---|
| ARGENTINE REPUBLIC | Accession | 18/06/1946 | |
| AUSTRALIA | Signature | 07/02/1944 | |
| CANADA | Signature | 07/02/1944 | |
| CANADA | Ratification | 24/08/1944 | |
| DENMARK | Accession | 10/11/1945 | |
| MEXICO | Accession | 29/06/1944 | |
| NEW ZEALAND | Signature | 07/02/1944 | |
| NEW ZEALAND | Ratification | 08/03/1945 | |
| NORWAY | Signature | 07/02/1944 | |
| NORWAY | Ratification | 31/03/1944 | |
| SOUTH AFRICA | Signature | 07/02/1944 | |
| SOUTH AFRICA | Ratification | 18/03/1946 | |
| UNITED KINGDOM | Signature | 07/02/1944 | |
| UNITED KINGDOM | Ratification | 28/06/1944 | |
| UNITED KINGDOM | Signature | 07/02/1974 | |
| UNITED STATES OF AMERICA | Signature | 07/02/1944 | |
| UNITED STATES OF AMERICA | Ratification | 10/07/1944 | |