| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ALBANIA | Signature | 25/07/1934 | |
| BULGARIA | Signature | 25/07/1934 | |
| BULGARIA | Ratification | 26/09/1938 | |
| CZECHOSLOVAKIA | Accession | 30/12/1936 | |
| DENMARK | Accession | 15/05/1935 | |
| EGYPT | Signature | 25/07/1934 | |
| EGYPT | Ratification | 08/10/1935 | |
| FRANCE | Signature | 25/07/1934 | |
| FRANCE | Declaration | 25/07/1934 | |
| FRANCE | Ratification | 25/02/1935 | |
| GERMAN DEMOCRATIC REPUBLIC | Re-Application | 21/07/1958 | |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 15/04/1975 | |
| GERMANY | Signature | 25/07/1934 | |
| GERMANY | Ratification | 06/02/1936 | |
| GERMANY FEDERAL REPUBLIC | Accession | 01/05/1952 | |
| GERMANY FEDERAL REPUBLIC | Re-Application | 01/01/1953 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 12/12/1975 | |
| GREECE | Signature | 25/07/1934 | |
| GREECE | Ratification | 05/02/1937 | |
| ITALY | Signature | 25/07/1934 | |
| ITALY | Ratification | 10/07/1935 | |
| JORDAN | Withdrawal | 01/01/1905 | |
| PORTUGAL | Accession | 11/02/1935 | |
| ROUMANIA | Signature | 25/07/1934 | |
| ROUMANIA | Ratification | 15/07/1935 | |
| SOUTH AFRICA | Accession | 16/04/1935 | |
| SOVIET UNION | Signature | 25/07/1934 | |
| SOVIET UNION | Ratification | 23/06/1936 | |
| SPAIN | Ratification | 01/01/1905 | |
| SPAIN | Signature | 25/07/1934 | |
| TURKEY | Signature | 25/07/1934 | |
| TURKEY | Ratification | 09/10/1936 | |
| UNITED KINGDOM | Signature | 25/07/1934 | |
| UNITED KINGDOM | Declaration | 25/07/1934 | |
| UNITED KINGDOM | Ratification | 03/04/1935 | |
| YUGOSLAVIA | Signature | 25/07/1934 | |
| YUGOSLAVIA | Ratification | 02/08/1952 |