| Country | Action | Action Date | Effective Date |
|---|
| ALBANIA | Signature | 16/11/1937 | |
| ARGENTINE REPUBLIC | Signature | 16/11/1937 | |
| BELGIUM | Signature | 16/11/1937 | |
| BULGARIA | Signature | 16/11/1937 | |
| CUBA | Signature | 16/11/1937 | |
| CZECHOSLOVAKIA | Signature | 16/11/1937 | |
| DOMINICAN REPUBLIC | Signature | 16/11/1937 | |
| ECUADOR | Signature | 16/11/1937 | |
| EGYPT | Signature | 16/11/1937 | |
| ESTONIA | Signature | 16/11/1937 | |
| FRANCE | Signature | 16/11/1937 | |
| FRANCE | Declaration | 16/11/1937 | |
| GREECE | Signature | 16/11/1937 | |
| HAYTI | Signature | 16/11/1937 | |
| INDIA | Signature | 16/11/1937 | |
| INDIA | Ratification | 07/09/1938 | |
| INDIA | Statement | 07/09/1938 | |
| MONACO | Signature | 16/11/1937 | |
| NETHERLANDS THE | Signature | 16/11/1937 | |
| NORWAY | Signature | 16/11/1937 | |
| PERU | Signature | 16/11/1937 | |
| ROUMANIA | Signature | 16/11/1937 | |
| SOVIET UNION | Signature | 16/11/1937 | |
| SOVIET UNION | Reservation | 16/11/1937 | |
| SPAIN | Signature | 16/11/1937 | |
| TURKEY | Signature | 16/11/1937 | |
| VENEZUELA | Signature | 16/11/1937 | |
| YUGOSLAVIA | Signature | 16/11/1937 | |