| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| BELGIUM | Signature | 23/10/1930 | |
| BELGIUM | Ratification | 10/02/1932 | |
| BELGIUM | Denunciation | 01/10/1985 | 01/10/1986 |
| BRAZIL | Accession | 21/11/1932 | |
| CHINA | Signature | 23/10/1930 | |
| CHINA | Ratification | 29/05/1935 | |
| CUBA | Signature | 23/10/1930 | |
| DANZIG | Signature | 23/10/1930 | |
| DANZIG | Ratification | 02/10/1933 | |
| ESTONIA | Signature | 23/10/1930 | |
| FINLAND | Signature | 23/10/1930 | |
| FINLAND | Ratification | 12/06/1936 | |
| FRANCE | Signature | 23/10/1930 | |
| FRANCE | Ratification | 13/07/1931 | |
| FRANCE | Declaration | 28/10/1933 | |
| FRANCE | Denunciation | 11/07/1983 | 11/07/1984 |
| French Cameroons | Extension | 28/10/1933 | |
| French Equatorial Africa | Extension | 28/10/1933 | |
| French Guiana | Extension | 28/10/1933 | |
| French Indo-china | Extension | 28/10/1933 | |
| French Settlements In India | Extension | 28/10/1933 | |
| French Settlements In Oceania | Extension | 28/10/1933 | |
| French Somaliland | Extension | 28/10/1933 | |
| French Togoland | Extension | 28/10/1933 | |
| French West Africa | Extension | 28/10/1933 | |
| GERMANY | Signature | 23/10/1930 | |
| GREECE | Extension | 14/09/1932 | |
| GREECE | Withdrawal | 24/06/1986 | 24/07/1987 |
| Guadeloupe | Extension | 28/10/1933 | |
| Guyane | Extension | 28/10/1933 | |
| LATVIA | Accession | 17/09/1935 | |
| Madagascar | Extension | 28/10/1933 | |
| Martinique | Extension | 28/10/1933 | |
| MONACO | Signature | 23/10/1930 | |
| MONACO | Ratification | 03/09/1931 | |
| NETHERLANDS THE | Signature | 23/10/1930 | |
| NETHERLANDS THE | Declaration | 23/10/1930 | |
| New Caledonia | Extension | 28/10/1933 | |
| POLAND | Signature | 23/10/1930 | |
| POLAND | Ratification | 02/10/1933 | |
| PORTUGAL | Signature | 23/10/1930 | |
| Reunion | Extension | 28/10/1933 | |
| ROUMANIA | Signature | 23/10/1930 | |
| SOUTH AFRICA | Signature | 23/10/1930 | |
| SOVIET UNION | Signature | 27/04/1931 | |
| SPAIN | Signature | 23/10/1930 | |
| SPAIN | Ratification | 03/11/1933 | |
| St Pierre and Miquelon | Extension | 28/10/1933 | |
| SWEDEN | Signature | 23/10/1930 | |
| TUNIS | Signature | 23/10/1930 | |
| TUNIS | Ratification | 27/10/1931 | |
| TURKEY | Accession | 27/06/1936 | |
| UNITED KINGDOM | |||
| YUGOSLAVIA | Signature | 23/10/1930 | |
| YUGOSLAVIA | Ratification | 11/12/1937 |