* Commonwealth of Australia Constitution Act 1900
1901
* Immigration Restriction Act 1901
* The Customs Act 1901
* The Post and Telegraph Act 1901
1902
* Australian Industries Preservation Act 1902
1904
* Conciliation and Arbitration Act 1904
* Trade Marks Act 1904
1905
* Copyright Act 1905
1906
* Crimes Act 1906
1907
* Old-age Pensions Act 1907
* The Quarantine Act 1908
1910
* Invalid and Old-age Pensions Act 1910
* Electoral Act 1910
1911
* Australian Industries Preservation Act 1911
1912
* Land Acquisition Act 1912
1914
* War Precautions Act 1914
* Trading with the Enemy Act 1914
1915
* Australian Soldiers' Repatriation Act 1915
* War Census Act 1915
1916
* Income Tax Assessment Act 1916
* Entertainments Tax Act 1916
1917
* Estate Duty Assessment Act 1917
* War-time Profits Tax Assessment Act 1917
1918
* Income Tax (Companies) Act 1918
1920
* War Service Homes Act 1920
* Child Endowment Act 1920
1921
* Income Tax (Assessment) Act 1921
* Sales Tax Assessment Act (No. 1) 1921
* Sales Tax Assessment Act (No. 2) 1921
1922
* Income Tax (Rates) Act 1922
* Sales Tax Assessment Act (No. 3) 1922
1923
* Invalid and Old-age Pensions Act 1923
* Maternity Allowance Act 1923
1924
* Widows' Pensions Act 1924
1925
* Superannuation Act 1925
1926
* Child Endowment Act 1926
1927
* Invalid and Old-age Pensions Act 1927
* National Insurance Act 1927
1928
* Child Endowment Act 1928
1929
* Income Tax (Assessment) Act 1929
* Unemployment Relief Act 1929
1930
* Income Tax (Rates) Act 1930
* Sales Tax Assessment Act (No. 4) 1930
1931
* Income Tax ( Assessment) Act 1931
* Child Endowment Act 1931
1932
* Invalid and Old-age Pensions Act 1932
* Maternity Allowance Act 1932
1933
* Income Tax ( Rates) Act 1933
* Widows' Pensions Act 1933
1934
* Income Tax ( Assessment) Act 1934
1935
* Sales Tax Assessment Act (No. 5) 1935
1936
* Income Tax ( Assessment) Act 1936
1937
* Invalid and Old-age Pensions Act 1937
1938
* Income Tax ( Assessment) Act 1938
1939
* Unemployment Relief Act 1939
* National Health and Pensions Insurance Act 1939
* War Precautions Act 1939
* Trading with the Enemy Act 1939
1940
* Income Tax ( Rates) Act 1940
* Child Endowment Act 1940
1941
* Income Tax ( Rates) Act 1941
* Maternity Allowance Act 1941
* Income Tax ( Assessment) Act 1941
1942
* Commonwealth Electoral Act 1942
1943
* Income Tax ( Assessment) Act 1943
1944
* Child Endowment Act 1944
* Pay as You Earn Income Tax Instalments Act 1944
1945
* Income Tax (Assessment) Act 1945