| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| BAHAMAS | Extension | 08/01/1952 | |
| Barbados | Extension | 20/03/1952 | |
| British Guiana | Extension | 08/01/1952 | |
| British Honduras | Extension | 08/01/1952 | |
| Brunei | Extension | 08/01/1952 | |
| Cyprus | Extension | 08/01/1952 | |
| Falkland Islands | Extension | 08/01/1952 | |
| Fiji | Extension | 08/01/1952 | |
| Gibraltar | Extension | 08/01/1952 | |
| Gold Coast | Extension | 08/01/1952 | |
| Hong Kong | Extension | 08/01/1952 | |
| Jamaica | Extension | 08/01/1952 | |
| Kenya | Extension | 08/01/1952 | |
| Leeward Islands | Extension | 08/01/1952 | |
| Malay States, Federated | Extension | 08/01/1952 | |
| Malta | Extension | 08/01/1952 | |
| Mauritius | Extension | 08/01/1952 | |
| Netherlands West Indies | Extension | 08/01/1952 | |
| Nigeria | Extension | 08/01/1952 | |
| North Borneo | Extension | 08/01/1952 | |
| Northern Rhodesia | Extension | 08/01/1952 | |
| Nyasaland | Extension | 08/01/1952 | |
| Sarawak | Extension | 08/01/1952 | |
| Seychelles | Extension | 08/01/1952 | |
| Sierra Leone | Extension | 08/01/1952 | |
| Singapore | Extension | 08/01/1952 | |
| Somaliland Protectorate | Extension | 08/01/1952 | |
| Southern Rhodesia | Extension | 08/01/1952 | |
| St Helena | Extension | 08/01/1952 | |
| Tanganyika | Extension | 08/01/1952 | |
| The Gambia | Extension | 08/01/1952 | |
| Trinidad | Extension | 08/01/1952 | |
| Uganda | Extension | 08/01/1952 | |
| UNITED KINGDOM | Extension | 08/01/1952 | |
| UNITED STATES OF AMERICA | |||
| Western Pacific High Commsn Territories | Extension | 08/01/1952 | |
| Windward Islands | Extension | 08/01/1952 | |
| Zanzibar | Extension | 08/01/1952 |