| Country | Action | Action Date | Effective Date |
|---|
| AUSTRIA | Signature | 20/12/1929 | |
| BELGIUM | Signature | 20/12/1929 | |
| DENMARK | Signature | 20/12/1929 | |
| DENMARK | Withdrawal | 30/06/1933 | |
| FRANCE | Signature | 20/12/1929 | |
| GERMANY | Signature | 20/12/1929 | |
| HUNGARY | Signature | 20/12/1929 | |
| INDIA | Signature | 20/12/1929 | |
| INDIA | Declaration | 20/12/1929 | |
| ITALY | Signature | 20/12/1929 | |
| JAPAN | Signature | 07/07/1930 | |
| JAPAN | Withdrawal | 30/06/1934 | |
| LUXEMBOURG | Signature | 20/12/1929 | |
| NETHERLANDS THE | Signature | 20/12/1929 | |
| NETHERLANDS THE | Withdrawal | 30/06/1934 | |
| NORWAY | Signature | 20/12/1929 | |
| NORWAY | Withdrawal | 30/06/1933 | |
| PORTUGAL | Signature | 20/12/1929 | |
| PORTUGAL | Withdrawal | 30/06/1931 | |
| ROUMANIA | Signature | 20/12/1929 | |
| SERB-CROAT-SLOVENE STATE | Signature | 20/12/1929 | |
| SWITZERLAND | Signature | 20/12/1929 | |
| UNITED KINGDOM | Signature | 20/12/1929 | |
| UNITED KINGDOM | Declaration | 20/12/1929 | |
| UNITED KINGDOM | Withdrawal | 30/06/1933 | |
| UNITED STATES OF AMERICA | Signature | 20/12/1929 | |
| UNITED STATES OF AMERICA | Withdrawal | 30/06/1933 | |
| YUGOSLAVIA | Signature | 20/12/1929 | |
| YUGOSLAVIA | Withdrawal | 01/07/1930 | |