| Country | Action | Action Date | Effective Date |
|---|
| Antigua | Extension | 01/11/1959 | 01/11/1959 |
| Barbados | Extension | 01/11/1959 | 01/11/1959 |
| British Guiana | Extension | 01/11/1959 | 01/11/1959 |
| British Honduras | Extension | 01/11/1959 | 01/11/1959 |
| British Virgin Islands | Extension | 01/11/1959 | 01/11/1959 |
| Falkland Islands | Extension | 01/11/1959 | 01/11/1959 |
| GERMANY FEDERAL REPUBLIC | | | |
| Hong Kong | Extension | 01/11/1959 | 01/11/1959 |
| SINGAPORE | Extension | 01/11/1959 | 01/11/1959 |
| St Kitts Nevis Anguilla | Extension | 01/11/1959 | 01/11/1959 |
| St Lucia | Extension | 01/11/1959 | 01/11/1959 |
| UGANDA | Extension | 01/11/1959 | 01/11/1959 |
| UNITED KINGDOM | Signature | 09/02/1960 | |