| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| All Territories under UK Sovereignty | Extension | 03/12/1873 | |
| AUSTRIA | Signature | 03/12/1873 | |
| AUSTRIA | Ratification | 08/03/1874 | |
| HUNGARY | Communication | 12/03/1948 | |
| Malay States, Federated | Extension | 27/12/1934 | |
| Malay States, Unfederated | Extension | 27/12/1934 | |
| UNITED KINGDOM | Signature | 03/12/1873 | |
| UNITED KINGDOM | Ratification | 08/03/1874 | |
| UNITED KINGDOM | Extension | 23/01/1928 | |
| UNITED KINGDOM | Extension | 18/03/1938 | |
| UNITED KINGDOM | Extension | 05/10/1938 |