The government has not ruled out wide-ranging tax reform to improve the sustainability of the budget, but says making multinational corporations pay a fairer share of tax is the top priority.
The treasurer has flagged his interest in changing how the government manages money to ensure it can pay for the ballooning cost of services.
During parliament, the opposition voiced concerns that the government would make changes to franking credits, negative gearing and the stage three tax cuts to repair the budget.
