| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Signature | 17/03/1937 | |
| ALBANIA | Signature | 19/09/1938 | |
| AUSTRALIA | Signature | 18/09/1937 | |
| AUSTRIA | Signature | 26/06/1936 | |
| BELGIUM | Signature | 26/04/1937 | |
| BRAZIL | Signature | 26/06/1936 | |
| BULGARIA | Signature | 21/10/1936 | |
| CANADA | Signature | 26/06/1936 | |
| CHILE | Signature | 28/10/1937 | |
| CHINA | Signature | 26/06/1936 | |
| COLOMBIA | Signature | 30/11/1937 | |
| COSTA RICA | Signature | 27/07/1937 | |
| CUBA | Signature | 26/06/1936 | |
| CZECHOSLOVAKIA | Signature | 26/06/1936 | |
| DANZIG | Signature | 10/02/1937 | |
| DENMARK | Signature | 26/06/1936 | |
| DOMINICAN REPUBLIC | Signature | 17/09/1937 | |
| ECUADOR | Signature | 26/06/1936 | |
| EGYPT | Signature | 26/06/1936 | |
| ESTONIA | Signature | 12/12/1936 | |
| FINLAND | Signature | 02/10/1936 | |
| FRANCE | Signature | 26/06/1936 | |
| GERMANY | Signature | 26/06/1936 | |
| GREECE | Signature | 26/06/1936 | |
| GUATEMALA | Signature | 02/08/1938 | |
| HAYTI | Signature | 05/07/1937 | |
| HONDURAS | Signature | 25/09/1937 | |
| HUNGARY | Signature | 29/12/1936 | |
| INDIA | Signature | 26/06/1936 | |
| IRAN | Signature | 07/03/1938 | |
| IRAQ | Signature | 09/03/1937 | |
| IRELAND, REPUBLIC OF | Signature | 26/06/1936 | |
| JAPAN | Signature | 26/06/1936 | |
| LATVIA | Signature | 13/12/1937 | |
| LITHUANIA | Signature | 23/09/1938 | |
| LUXEMBOURG | Signature | 20/09/1937 | |
| MONACO | Signature | 06/11/1936 | |
| NETHERLANDS THE | Signature | 26/06/1936 | |
| NEW ZEALAND | Signature | 12/07/1936 | |
| NICARAGUA | Signature | 30/11/1938 | |
| NORWAY | Signature | 27/08/1936 | |
| PANAMA | Signature | 25/06/1937 | |
| PERU | Signature | 06/10/1937 | |
| POLAND | Signature | 26/06/1936 | |
| PORTUGAL | Signature | 26/06/1936 | |
| ROUMANIA | Signature | 26/06/1936 | |
| SALVADOR | Signature | 08/06/1938 | |
| SAUDI ARABIA | Signature | 08/03/1939 | |
| SIAM | Signature | 26/06/1936 | |
| SOUTH AFRICA | Signature | 25/05/1938 | |
| SOVIET UNION | Signature | 26/06/1936 | |
| SPAIN | Signature | 26/06/1936 | |
| SUDAN | Signature | 25/09/1937 | |
| SWEDEN | Signature | 16/10/1936 | |
| SWITZERLAND | Signature | 26/06/1936 | |
| TURKEY | Signature | 15/01/1937 | |
| UNITED KINGDOM | Signature | 26/06/1936 | |
| UNITED KINGDOM | Extension | 26/06/1936 | |
| UNITED STATES OF AMERICA | Signature | 26/06/1936 | |
| URUGUAY | Signature | 15/10/1936 | |
| VENEZUELA | Signature | 26/06/1936 | |