| Country | Action | Action Date | Effective Date |
|---|
| AUSTRALIA | Signature | 03/11/1923 | |
| AUSTRIA | Signature | 03/11/1923 | |
| BELGIUM | Signature | 03/11/1923 | |
| BRAZIL | Signature | 03/11/1923 | |
| BRITISH EMPIRE | Signature | 03/11/1923 | |
| CHILE | Signature | 03/11/1923 | |
| CHINA | Signature | 03/11/1923 | |
| CZECHOSLOVAKIA | Signature | 03/11/1923 | |
| DENMARK | Signature | 03/11/1923 | |
| EGYPT | Signature | 03/11/1923 | |
| FINLAND | Signature | 03/11/1923 | |
| FRANCE | Signature | 03/11/1923 | |
| GERMANY | Signature | 03/11/1923 | |
| GREECE | Signature | 03/11/1923 | |
| INDIA | Signature | 03/11/1923 | |
| IRELAND, REPUBLIC OF | Signature | 03/11/1923 | |
| ITALY | Signature | 03/11/1923 | |
| JAPAN | Signature | 03/11/1923 | |
| LITHUANIA | Signature | 03/11/1923 | |
| LUXEMBOURG | Signature | 03/11/1923 | |
| Morocco | Signature | 03/11/1923 | |
| NETHERLANDS THE | Signature | 03/11/1923 | |
| POLAND | Signature | 03/11/1923 | |
| PORTUGAL | Signature | 03/11/1923 | |
| ROUMANIA | Signature | 03/11/1923 | |
| SERB-CROAT-SLOVENE STATE | Signature | 03/11/1923 | |
| SIAM | Signature | 03/11/1923 | |
| SOUTH AFRICA | Signature | 03/11/1923 | |
| SPAIN | Signature | 03/11/1923 | |
| SWEDEN | Signature | 03/11/1923 | |
| SWITZERLAND | Signature | 03/11/1923 | |
| TUNIS | Signature | 03/11/1923 | |
| UNITED KINGDOM | | | |
| URUGUAY | Signature | 03/11/1923 | |
| ZIMBABWE | Succession | 01/12/1998 | 18/04/1980 |