| Country | Action | Action Date | Effective Date |
|---|
| AUSTRIA | Signature | 19/06/1933 | |
| AUSTRIA | Ratification | 21/12/1934 | |
| BELGIUM | Signature | 19/06/1933 | |
| BELGIUM | Ratification | 03/11/1933 | |
| Cyrenaica | Signature | 19/06/1933 | |
| CZECHOSLOVAKIA | Signature | 19/06/1933 | |
| CZECHOSLOVAKIA | Ratification | 15/01/1934 | |
| DANZIG | Signature | 19/06/1933 | |
| DANZIG | Ratification | 21/02/1936 | |
| DENMARK | Signature | 19/06/1933 | |
| DENMARK | Ratification | 19/12/1933 | |
| EGYPT | Signature | 19/06/1933 | |
| EGYPT | Ratification | 15/01/1934 | |
| ESTONIA | Signature | 19/06/1933 | |
| ESTONIA | Ratification | 25/03/1935 | |
| FRANCE | Signature | 19/06/1933 | |
| GERMANY | Signature | 19/06/1933 | |
| GERMANY | Ratification | 18/05/1934 | |
| ICELAND | Signature | 19/06/1933 | |
| ICELAND | Ratification | 08/03/1934 | |
| Irish Free State | Signature | 19/06/1933 | |
| ITALY | Signature | 19/06/1933 | |
| LATVIA | Signature | 19/06/1933 | |
| MOROCCO | Signature | 19/06/1933 | |
| Morocco | Extension | 06/11/1934 | |
| NORWAY | Signature | 19/06/1933 | |
| Palestine | Extension | 28/11/1935 | |
| PORTUGAL | Signature | 19/03/1933 | |
| ROUMANIA | Signature | 19/06/1933 | |
| ROUMANIA | Reservation | 19/06/1933 | |
| ROUMANIA | Ratification | 07/12/1936 | |
| SOVIET UNION | Signature | 19/06/1933 | |
| SPAIN | Signature | 19/06/1933 | |
| SPAIN | Ratification | 06/11/1934 | |
| SWITZERLAND | Signature | 19/06/1933 | |
| SWITZERLAND | Ratification | 10/07/1934 | |
| SYRIA & GRAND LEBANON | Signature | 19/06/1933 | |
| Tripoli | Signature | 19/06/1933 | |
| TUNIS | Signature | 19/06/1933 | |
| TURKEY | Signature | 19/06/1933 | |
| UNITED KINGDOM | Reservation | 19/06/1933 | |
| UNITED KINGDOM | Signature | 19/06/1933 | |
| UNITED KINGDOM | Ratification | 28/11/1935 | |
| VATICAN CITY | Signature | 19/06/1933 | |
| VATICAN CITY | Ratification | 15/01/1934 | |
| YUGOSLAVIA | Signature | 19/06/1933 | |