| Country | Action | Action Date | Effective Date |
|---|
| AUSTRALIA | Signature | 06/07/1937 | |
| AUSTRALIA | Ratification | 21/07/1937 | |
| BELGIUM | Signature | 06/07/1937 | |
| BELGIUM | Ratification | 07/04/1938 | |
| BRAZIL | Signature | 06/07/1937 | |
| BRAZIL | Ratification | 31/03/1938 | |
| CANADA | Declaration | 06/05/1937 | |
| CHINA | Signature | 06/07/1937 | |
| CUBA | Signature | 06/07/1937 | |
| CUBA | Ratification | 22/09/1937 | |
| CZECHOSLOVAKIA | Signature | 06/07/1937 | |
| CZECHOSLOVAKIA | Ratification | 01/09/1937 | |
| DOMINICAN REPUBLIC | Signature | 06/07/1937 | |
| DOMINICAN REPUBLIC | Ratification | 09/08/1937 | |
| FRANCE | Signature | 06/07/1937 | |
| GERMANY | Signature | 06/07/1937 | |
| GERMANY | Ratification | 01/09/1937 | |
| HAYTI | Signature | 06/07/1937 | |
| HAYTI | Ratification | 22/03/1938 | |
| HUNGARY | Signature | 06/07/1937 | |
| HUNGARY | Ratification | 14/06/1938 | |
| INDIA | Signature | 06/07/1937 | |
| INDIA | Ratification | 13/07/1938 | |
| INDONESIA | Accession | 14/04/1950 | |
| MEXICO | Accession | 22/06/1951 | |
| NETHERLANDS THE | Signature | 06/07/1937 | |
| NETHERLANDS THE | Ratification | 14/03/1938 | |
| PERU | Signature | 30/07/1937 | |
| POLAND | Signature | 06/07/1937 | |
| POLAND | Ratification | 14/03/1938 | |
| PORTUGAL | Signature | 06/07/1937 | |
| PORTUGAL | Ratification | 02/09/1937 | |
| SOUTH AFRICA | Signature | 06/07/1937 | |
| SOUTH AFRICA | Ratification | 09/09/1937 | |
| SOVIET UNION | Signature | 06/05/1937 | |
| SOVIET UNION | Ratification | 26/02/1938 | |
| UNITED KINGDOM | Signature | 06/07/1937 | |
| UNITED KINGDOM | Ratification | 27/08/1937 | |
| UNITED STATES OF AMERICA | Signature | 06/07/1937 | |
| UNITED STATES OF AMERICA | Ratification | 04/04/1938 | |
| YUGOSLAVIA | Signature | 06/07/1937 | |