Year | Number [1] | Authority |
1901 | 7 | Constitution, s. 65 |
1915 | 8 | Ministers of State Act 1915 |
1917 | 9 | Ministers of State Act 1917 |
1935 | 10 | Ministers of State Act 1935 |
1938 | 11 | Ministers of State Act 1938 |
1941 | 19 | Ministers of State Act 1941 [2] |
1951 | 20 | Ministers of State Act 1951 [3] |
1956 | 22 | Ministers of State Act 1956 |
1964 | 25 | Ministers of State Act 1964 |
1967 | 26 | Ministers of State Act 1967 |
1971 | 27 | Ministers of State Act 1971 |
1987 | 30 | Ministers of State Amendment Act (No. 2) 1987 |
2000 | 42 [4] | Ministers of State and Other Legislation Amendment Act 2000 |