| Country | Action | Action Date | Effective Date |
|---|
| ARGENTINA | Accession | 01/01/1935 | |
| ARGENTINA | Withdrawal | 24/05/1948 | |
| AUSTRALIA | Signature | 15/06/1929 | |
| AUSTRALIA | Ratification | 15/06/1930 | |
| AUSTRIA | Accession | 03/06/1937 | |
| BELGIUM | Signature | 11/07/1929 | |
| BELGIUM | Ratification | 08/03/1930 | |
| BULGARIA | Signature | 11/03/1931 | |
| BULGARIA | Ratification | 21/07/1931 | |
| CANADA | Signature | 15/06/1929 | |
| CANADA | Ratification | 19/09/1930 | |
| CHILE | Signature | 04/12/1931 | |
| CHILE | Ratification | 31/01/1933 | |
| CHILE | Denunciation | 14/10/1936 | |
| CZECHOSLOVAKIA | Signature | 11/12/1929 | |
| CZECHOSLOVAKIA | Ratification | 08/10/1931 | |
| DENMARK | Signature | 15/06/1929 | |
| DENMARK | Ratification | 17/10/1929 | |
| ESTONIA | Accession | 01/01/1938 | |
| FINLAND | Accession | 04/12/1931 | 28/02/1936 |
| FRANCE | Signature | 15/06/1929 | |
| FRANCE | Ratification | 08/11/1929 | |
| GREECE | Signature | 05/09/1929 | |
| GREECE | Ratification | 17/04/1931 | |
| INDIA | Signature | 15/06/1929 | |
| INDIA | Ratification | 16/10/1930 | |
| IRELAND, REPUBLIC OF | Signature | 15/06/1929 | |
| IRELAND, REPUBLIC OF | Ratification | 09/04/1930 | |
| ITALY | Signature | 15/06/1929 | |
| ITALY | Ratification | 25/11/1930 | |
| JAPAN | Signature | 11/06/1930 | |
| JAPAN | Ratification | 25/03/1932 | |
| LATVIA | Accession | 01/11/1937 | |
| NETHERLANDS THE | Signature | 11/10/1929 | |
| NETHERLANDS THE | Ratification | 18/09/1931 | |
| NETHERLANDS THE | Withdrawal | 18/04/1947 | |
| NEW ZEALAND | Signature | 15/06/1929 | |
| NEW ZEALAND | Ratification | 19/09/1930 | |
| NORWAY | Accession | 01/07/1931 | |
| PARAGUAY | Accession | 27/10/1939 | |
| PARAGUAY | Withdrawal | 17/10/1947 | |
| PERSIA | Signature | 26/07/1932 | |
| PERU | Accession | 06/07/1937 | |
| POLAND | Signature | 12/11/1929 | |
| POLAND | Ratification | 24/09/1931 | |
| PORTUGAL | Signature | 15/06/1929 | |
| PORTUGAL | Ratification | 24/01/1930 | |
| ROUMANIA | Signature | 10/12/1929 | |
| ROUMANIA | Ratification | 18/12/1930 | |
| SAAR TERRITORY | Signature | 15/06/1929 | |
| SAAR TERRITORY | Ratification | 14/11/1929 | |
| SIAM | Signature | 24/04/1930 | |
| SIAM | Ratification | 07/11/1930 | |
| SOUTH AFRICA | Signature | 24/09/1929 | |
| SOUTH AFRICA | Ratification | 19/09/1930 | |
| SPAIN | Accession | 01/01/1935 | |
| SWEDEN | Signature | 03/12/1929 | |
| SWEDEN | Ratification | 21/07/1930 | |
| SWITZERLAND | Accession | 01/10/1934 | |
| UNITED KINGDOM | Signature | 15/06/1929 | |
| UNITED KINGDOM | Ratification | 19/09/1930 | |
| URUGUAY | Signature | 24/05/1932 | |
| URUGUAY | Ratification | 17/05/1933 | |
| YUGOSLAVIA | Signature | 03/01/1930 | |
| YUGOSLAVIA | Ratification | 06/07/1931 | |