| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| Aden Colony | Extension | 01/03/1960 | 01/04/1960 |
| BAHAMAS | Extension | 01/03/1960 | 01/04/1960 |
| Barbados | Extension | 01/03/1960 | 01/04/1960 |
| Bermuda | Extension | 01/03/1960 | 01/04/1960 |
| British Guiana | Extension | 01/03/1960 | 01/04/1960 |
| British Honduras | Extension | 01/03/1960 | 01/04/1960 |
| Brunei | Extension | 01/03/1960 | 01/04/1960 |
| Falkland Islands | Extension | 01/03/1960 | 01/04/1960 |
| FIJI | Extension | 01/03/1960 | 01/04/1960 |
| Gibraltar | Extension | 01/03/1960 | 01/04/1960 |
| Gilbert And Ellice Islands | Extension | 01/03/1960 | 01/04/1960 |
| JAMAICA | Extension | 01/03/1960 | 01/04/1960 |
| KENYA | Extension | 01/03/1960 | 01/04/1960 |
| Leeward Islands | Extension | 01/03/1960 | 01/04/1960 |
| MAURITIUS | Extension | 01/03/1960 | 01/04/1960 |
| North Borneo | Extension | 01/03/1960 | 01/04/1960 |
| Sarawak | Extension | 01/03/1960 | 01/04/1960 |
| SEYCHELLES | Extension | 01/03/1960 | 01/04/1960 |
| SIERRA LEONE | Extension | 01/03/1960 | 01/04/1960 |
| SINGAPORE | Extension | 01/03/1960 | 01/04/1960 |
| SOLOMON ISLANDS | Extension | 01/03/1960 | 01/04/1960 |
| Somaliland Protectorate | Extension | 01/03/1960 | 01/04/1960 |
| St Helena | Extension | 01/03/1960 | 01/04/1960 |
| Tanganyika | Extension | 01/03/1960 | 01/04/1960 |
| The Gambia | Extension | 01/03/1960 | 01/04/1960 |
| TRINIDAD AND TOBAGO | Extension | 01/03/1960 | 01/04/1960 |
| TURKEY | |||
| UGANDA | Extension | 01/03/1960 | 01/04/1960 |
| UNITED KINGDOM | |||
| Windward Islands | Extension | 01/03/1960 | 01/04/1960 |
| Zanzibar | Extension | 01/03/1960 | 01/04/1960 |