Australian Constitution

The Act of the Imperial Parliament at Westminster that established the Commonwealth of Australia and contained the Constitution as Section 9

Royal Proclamation of the Commonwealth

Queen Victoria's proclamation of 17 September 1900 declaring the establishment of the Commonwealth of Australia from 1 January 1901

United Kingdom legislation that recognised the legislative independence of the Dominions, including Australia

Australian legislation adopting the Statute of Westminster 1931, backdated to 3 September 1939

Parallel legislation of the Commonwealth and United Kingdom parliaments that severed remaining constitutional links between Australia and the UK