| Country | Action | Action Date | Effective Date |
|---|
| ALBANIA | Signature | 11/10/1933 | |
| AUSTRALIA | Accession | 23/12/1936 | |
| AUSTRIA | Signature | 11/10/1933 | |
| AUSTRIA | Reservation | 11/10/1933 | |
| AUSTRIA | Ratification | 26/08/1935 | |
| BELGIUM | Signature | 11/10/1933 | |
| BELGIUM | Reservation | 11/10/1933 | |
| BELGIUM | Ratification | 08/06/1936 | |
| BRAZIL | Accession | 08/06/1939 | |
| BULGARIA | Accession | 10/07/1934 | |
| BURMA | Accession | 27/10/1939 | |
| CHILE | Signature | 11/10/1933 | |
| CHILE | Reservation | 11/10/1933 | |
| CHILE | Ratification | 20/03/1935 | |
| CUBA | Accession | 25/06/1936 | |
| DENMARK | Signature | 11/10/1933 | |
| DENMARK | Declaration | 11/10/1933 | |
| DENMARK | Ratification | 10/07/1935 | |
| EGYPT | Signature | 11/10/1933 | |
| EGYPT | Ratification | 08/02/1936 | |
| ESTONIA | Accession | 02/09/1938 | |
| FINLAND | Signature | 11/10/1933 | |
| FRANCE | Signature | 11/10/1933 | |
| FRANCE | Reservation | 11/10/1933 | |
| FRANCE | Ratification | 12/04/1940 | |
| HUNGARY | Signature | 11/10/1933 | |
| HUNGARY | Reservation | 11/10/1933 | |
| HUNGARY | Ratification | 09/05/1936 | |
| INDIA | Signature | 11/10/1933 | |
| INDIA | Declaration | 11/10/1933 | |
| INDIA | Ratification | 17/10/1934 | |
| IRAQ | Accession | 18/02/1936 | |
| IRELAND, REPUBLIC OF | Accession | 24/07/1934 | |
| ITALY | Signature | 11/10/1933 | |
| ITALY | Ratification | 21/11/1934 | |
| LATVIA | Signature | 11/10/1933 | |
| LATVIA | Ratification | 21/10/1935 | |
| MONACO | Signature | 11/10/1933 | |
| MONACO | Ratification | 11/09/1934 | |
| Newfoundland (UK) | Extension | 29/06/1936 | |
| NICARAGUA | Signature | 11/10/1933 | |
| NICARAGUA | Ratification | 07/09/1935 | |
| NORWAY | Signature | 11/10/1933 | |
| NORWAY | Ratification | 26/06/1935 | |
| PANAMA | Signature | 11/10/1933 | |
| PERSIA | Accession | 12/04/1935 | |
| POLAND | Signature | 11/10/1933 | |
| POLAND | Reservation | 11/10/1933 | |
| POLAND | Ratification | 25/09/1937 | |
| ROUMANIA | Signature | 11/10/1933 | |
| ROUMANIA | Ratification | 19/06/1935 | |
| ROUMANIA | Reservation | 11/10/1993 | |
| SOUTH AFRICA | Accession | 04/01/1938 | |
| SWEDEN | Signature | 11/10/1933 | |
| SWITZERLAND | Signature | 11/10/1933 | |
| SWITZERLAND | Ratification | 20/04/1934 | |
| UNITED KINGDOM | Signature | 11/10/1933 | |
| UNITED KINGDOM | Ratification | 26/02/1936 | |
| UNITED STATES OF AMERICA | Signature | 11/10/1933 | |
| UNITED STATES OF AMERICA | Declaration | 11/10/1933 | |
| URUGUAY | Signature | 11/10/1933 | |