| Country | Action | Action Date | Effective Date |
|---|
| ARGENTINA | Signature | 08/06/1937 | |
| ARGENTINA | Ratification | 18/06/1946 | |
| AUSTRALIA | Signature | 08/06/1937 | |
| AUSTRALIA | Ratification | 23/07/1946 | |
| AUSTRALIA | Withdrawal | 01/07/1950 | 01/07/1950 |
| CANADA | Accession | 14/06/1938 | |
| CANADA | Withdrawal | 01/07/1950 | 01/07/1950 |
| CHILE | Accession | 13/02/1946 | |
| DENMARK | Accession | 10/07/1939 | |
| FRANCE | Accession | 16/04/1946 | |
| GERMANY | Signature | 08/06/1937 | |
| GERMANY | Ratification | 05/11/1937 | |
| ICELAND | Accession | 12/03/1947 | |
| ICELAND | Withdrawal | 01/07/1949 | 01/07/1949 |
| IRELAND, REPUBLIC OF | Signature | 08/06/1937 | |
| IRELAND, REPUBLIC OF | Ratification | 07/05/1938 | |
| MEXICO | Provisional application | 09/02/1938 | |
| MEXICO | Accession | 07/05/1938 | |
| NETHERLANDS THE | Accession | 29/10/1945 | |
| NEW ZEALAND | Signature | 08/06/1937 | |
| NEW ZEALAND | Ratification | 24/06/1938 | |
| NEW ZEALAND | Withdrawal | 30/06/1950 | 01/07/1950 |
| NORWAY | Signature | 08/06/1937 | |
| NORWAY | Ratification | 29/10/1937 | |
| NORWAY | Withdrawal | 01/07/1949 | 01/07/1949 |
| PANAMA | Accession | 14/06/1948 | |
| PANAMA | Withdrawal | 01/07/1949 | 01/07/1949 |
| SOUTH AFRICA | Signature | 08/06/1937 | |
| SOUTH AFRICA | Ratification | 18/03/1946 | |
| SOUTH AFRICA | Withdrawal | 01/07/1950 | 01/07/1950 |
| SOVIET UNION | Accession | 25/11/1946 | |
| SWEDEN | Accession | 12/08/1946 | |
| SWEDEN | Withdrawal | 01/07/1949 | 01/07/1949 |
| UNITED KINGDOM | Signature | 08/06/1937 | |
| UNITED KINGDOM | Ratification | 25/10/1937 | |
| UNITED KINGDOM | Withdrawal | 01/07/1949 | 01/07/1949 |
| UNITED STATES OF AMERICA | Signature | 08/06/1937 | |
| UNITED STATES OF AMERICA | Ratification | 03/09/1937 | |
| UNITED STATES OF AMERICA | Withdrawal | 01/07/1949 | 01/07/1949 |