<Ul> <Li> The convention that, when the Senate is controlled by a party which does not simultaneously control the House of Representatives, the Senate would not vote against money supply to the government . This convention was allegedly broken by the Senate controlled by the Liberal - Country party coalition in 1975 . </Li> <Li> The convention that a Prime Minister who cannot obtain supply must either request that the governor general call a general election, or resign . This convention was allegedly broken by Gough Whitlam in response to the Senate's unprecedented refusal . </Li> </Ul> <Li> The convention that, when the Senate is controlled by a party which does not simultaneously control the House of Representatives, the Senate would not vote against money supply to the government . This convention was allegedly broken by the Senate controlled by the Liberal - Country party coalition in 1975 . </Li> <Li> The convention that a Prime Minister who cannot obtain supply must either request that the governor general call a general election, or resign . This convention was allegedly broken by Gough Whitlam in response to the Senate's unprecedented refusal . </Li> <P> In line with the common law tradition in Australia, the law on the interpretation and application of the Constitution has developed largely through judgments by the High Court of Australia in various cases . In a number of seminal cases, the High Court has developed several doctrines which underlie the interpretation of the Australian Constitution . Some examples include: </P>

What is the preamble to the australian constitution