| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| All Territories under UK Sovereignty | Extension | 31/03/1873 | |
| British African Protectorates | Extension | 20/09/1909 | |
| DENMARK | Signature | 31/03/1873 | |
| DENMARK | Ratification | 22/04/1873 | |
| ICELAND | Signature | 31/03/1873 | 07/07/1873 |
| Malay States, Unfederated | Extension | 22/09/1934 | |
| Transjordan | Extension | 29/03/1932 | |
| UNITED KINGDOM | Signature | 31/03/1873 | |
| UNITED KINGDOM | Ratification | 22/04/1873 | |
| UNITED KINGDOM | Extension | 25/11/1937 |