| Country | Action | Action Date | Effective Date |
|---|
| AUSTRALIA | Signature | 21/01/1932 | |
| BELGIUM | Signature | 21/01/1932 | |
| BULGARIA | Signature | 21/01/1932 | |
| BULGARIA | Ratification | 27/08/1932 | |
| CANADA | Signature | 21/01/1932 | |
| CZECHOSLOVAKIA | Signature | 21/01/1932 | |
| FRANCE | Signature | 21/01/1932 | |
| GREECE | Signature | 21/01/1932 | |
| India | Signature | 21/01/1932 | |
| ITALY | Signature | 21/01/1932 | |
| JAPAN | Signature | 21/01/1932 | |
| NEW ZEALAND | Signature | 21/01/1932 | |
| POLAND | Signature | 21/01/1932 | |
| PORTUGAL | Signature | 21/01/1932 | |
| SOUTH AFRICA | Signature | 21/01/1932 | |
| SOUTH AFRICA | Ratification | 10/07/1933 | |
| UNITED KINGDOM | Signature | 21/01/1932 | |