 In 1946, the administration of the islands reverted to Singapore and it became part of the Colony of Singapore.On 23 November 1955, the islands were transferred from the United Kingdom to the Commonwealth of Australia.Immediately before the transfer the islands were part of the United Kingdom's Colony of Singapore, in accordance with the Straits Settlements (Repeal) Act, 1946 of the United Kingdom and the British Settlements Acts, 1887 and 1945, as applied by the Act of 1946.