| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| All Territories under UK Sovereignty | Extension | 07/12/1874 | |
| HAITI | Signature | 07/12/1874 | |
| HAITI | Ratification | 08/03/1975 | |
| UNITED KINGDOM | Signature | 07/12/1874 | |
| UNITED KINGDOM | Ratification | 29/04/1875 | |
| UNITED KINGDOM | Extension | 08/09/1909 | |
| UNITED KINGDOM | Extension | 26/06/1934 |