| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| Aden Colony | Extension | 22/09/1947 | |
| BAHAMAS | Extension | 22/09/1947 | 22/09/1947 |
| Barbados | Extension | 22/09/1947 | 22/09/1947 |
| Bermuda | Extension | 22/09/1947 | 22/09/1947 |
| British Guiana | Extension | 22/09/1947 | 22/09/1947 |
| British Honduras | Extension | 22/09/1947 | 22/09/1947 |
| British Solomon Islands | Extension | 29/05/1948 | 29/05/1948 |
| British Virgin Islands | Extension | 22/09/1947 | 22/09/1947 |
| Cayman Islands | Extension | 22/09/1947 | 22/09/1947 |
| Ceylon | Extension | 22/09/1947 | 22/09/1947 |
| Channel Islands | Extension | 29/12/1955 | 29/01/1956 |
| CYPRUS | Extension | 22/09/1947 | 22/09/1947 |
| Ellice Islands | Extension | 29/05/1948 | 29/05/1948 |
| Falkland Islands | Extension | 22/09/1947 | 22/09/1947 |
| FIJI | Extension | 22/09/1947 | 22/09/1947 |
| FRANCE | Signature | 15/04/1936 | |
| FRANCE | Extension | 05/06/1955 | 05/06/1955 |
| FRANCE | Extension | 11/03/1956 | 11/03/1956 |
| Gibraltar | Extension | 22/09/1947 | 22/09/1947 |
| Gilbert Islands | Extension | 29/05/1948 | 29/05/1948 |
| Gold Coast | Extension | 22/09/1947 | 22/09/1947 |
| Hong Kong | Extension | 22/09/1947 | 22/09/1947 |
| Isle of Man | Extension | 29/12/1955 | 29/01/1956 |
| JAMAICA | Extension | 22/09/1947 | 22/09/1947 |
| KENYA | Extension | 22/09/1947 | 22/09/1947 |
| Leeward Islands | Extension | 22/09/1947 | 22/09/1947 |
| Malay States, Federated | Extension | 22/09/1947 | 22/09/1947 |
| Malay States, Unfederated | Extension | 22/09/1947 | 22/09/1947 |
| MALTA | Extension | 22/09/1947 | 22/09/1947 |
| MAURITIUS | Extension | 22/09/1947 | 22/09/1947 |
| Montserrat | Extension | 22/09/1947 | 22/09/1947 |
| NIGERIA | Extension | 22/09/1947 | 22/09/1947 |
| North Borneo | Extension | 22/09/1947 | 22/09/1947 |
| Northern Ireland | Extension | 29/12/1955 | 29/01/1956 |
| Northern Rhodesia | Extension | 22/09/1947 | 22/09/1947 |
| Nyasaland | Extension | 22/09/1947 | 22/09/1947 |
| Palestine | Extension | 22/09/1947 | 22/09/1947 |
| Sarawak | Extension | 22/09/1947 | 22/09/1947 |
| Scotland | Extension | 07/05/1940 | 07/06/1940 |
| SEYCHELLES | Extension | 22/09/1947 | 22/09/1947 |
| SIERRA LEONE | Extension | 22/09/1947 | 22/09/1947 |
| SINGAPORE | Extension | 22/09/1947 | 22/09/1947 |
| Somaliland Protectorate | Extension | 09/05/1948 | 09/05/1948 |
| St Helena And Dependencies | Extension | 22/09/1947 | 22/09/1947 |
| Tanganyika | Extension | 22/09/1947 | 22/09/1947 |
| The Gambia | Extension | 22/09/1947 | 22/09/1947 |
| TRINIDAD AND TOBAGO | Extension | 22/09/1947 | 22/09/1947 |
| Turks And Caicos Islands | Extension | 22/09/1947 | 22/09/1947 |
| UGANDA | Extension | 22/09/1947 | 22/09/1947 |
| UNITED KINGDOM | Signature | 15/04/1936 | |
| Windward Islands | Extension | 22/09/1947 | 22/09/1947 |
| Zanzibar | Extension | 22/09/1947 | 22/09/1947 |