The government has found a $19.5 billion hole in Labor's plan to boost tobacco excise.
Treasurer Scott Morrison has announced that his "preliminary decision" is that the purchase of the Kidman pastoral empire by a Chinese-dominated buyer "is contrary to the national interest".
Michelle Grattan takes a look back at some memorable budget moments.
Think tank makes case for cutting capital gains tax discount.
The federal budget deficit from now through to 2018-19 is likely to be $129 billion, $21 billion worse than in the December official budget update, according to Deloitte Access Economics.
Scott Morrison has warned the banks not to pass on to customers the $120 million user-pays charge imposed on them to finance a strengthened Australian Securities and Investments Commission.
The administrators investigating Clive Palmer's Queensland Nickel have accused him of behaving "recklessly" and perhaps illegally.
Bill Shorten has promised a Labor government would set up a royal commission into misconduct in the banking and financial services industry.
Prime Minister Malcolm Turnbull has given banks a bollocking for unethical behaviour, suggesting they have not repaid the support they received during the global financial crisis.
Poor project selection is undermining economic growth in Australia.
The federal opposition says that reducing penalty rates in the retail and hospitality sectors would widen the gender pay gap across the economy and hit consumption.
Cabinet secretary Arthur Sinodinos has made a strong pitch for giving priority to a company tax cut in the coming budget as the best way to boost growth, with a significant flow on for workers.
In a major victory for small business and the Nationals over big business, the government has agreed to write an 'effects test' into competition policy.
Treasurer Scott Morrison has moved to dampen expectations about the government's ability to provide early personal income tax cuts.
Treasurer Scott Morrison has approved the $280 million sale of Australia's largest dairy farming business to the Chinese-owned Moon Lake Investments.
Malcolm Turnbull has not totally removed changes to capital gains tax from the options on the tax table – despite appearing to do so in Question Time.
Treasurer Scott Morrison, already under fire for not having tax policy out, has got into a stoush with former prime minister Tony Abbott over how much work was done before the leadership change.
Treasurer Scott Morrison has "rescaled" the tax debate to hold out the prospect of "modest" tax relief that may prevent average wage earners moving into the second highest tax bracket.
The Australian Council of Social Service has called for the tax treatment of private trusts to be tightened, which it says could save $1.5 billion in 2017-18.
Bill Shorten has unveiled tax changes that will tighten negative gearing and capital gains tax provisions, saving $565 million over the forward estimates and $32.1 billion over a decade.
The government has released Treasury modelling showing a tax mix switch with a 15% GST and income tax cuts would deliver no gains to economic growth.
Malcolm Turnbull has said the budget will contain the government's tax policy, and questioned whether the benefits of increasing the GST would be worth the difficulties of doing so.
A Labor government would crack down on employers who exploit workers with harsher penalties and other measures, opposition leader Bill Shorten has promised.
Australia should not be complacent about maintaining its top credit rating, which depends on achieving budget repair and a more diverse economy, Treasury secretary John Fraser has said.
Treasurer Scott Morrison has opened the possibility for an alternative to the government's present white paper process for tax reform.