A businessman with close links to the Mexican President set up a series of shell companies in New Zealand.

Inland Revenue is trying to get information on New Zealanders who have dealt with Panamanian law firm Mossack Fonseca.

A New Zealander has been named as a director for thousands of shell companies revealed in the Panama Papers as being used to avoid tax by wealthy clients.

COMMENT: The fact that New Zealand's trust regime is caught up in the midst of it all will be a surprise to many Kiwis.

The Panama Papers leak has revealed how the rich and powerful have hidden their billions.

COMMENT: John Key on trusts sounds a bit like a cracked record.

To make trusts more transparent and accountable ought not compromise the ease and speed of company registrations in this country.

The naming of NZ as a tax haven which allows foreign investors to hide their income in secretive trusts will not force the Government to change any tax rules, John Key says.

From soccer stars to Saudi kings, some of the wealthiest people in the world have been exposed by massive leak of tax papers.

Executive incentive schemes aim to boost company performance. But is it too easy for top bosses to get a reward?

International tax issues are bubbling away again with the recent revelation from the NZ Herald that multinationals operating in NZ pay just $1.8 million of tax on revenue of $10 billion.

Multinational tax policy isn't easy or simple and it isn't usually sexy. But, like a lot of things, the internet has livened up the debate.

Taxpayers' Union says Labour Party plans for "universal basic income" will come with hefty price tag.

COMMENT: Australia's people have been given unprecedented access into the tax affairs of the nation's largest private companies.

COMMENT: Playing field for tax calculations is far from level - subsidising some but penalising others, writes Mary Holm.

Facebook and Google were included in a list of 20 companies assessed by the Herald as being the most aggressive in legally shifting profits out of NZ.

The debate over corporate tax is moving on - and fast. Matt Nippert reports.

COMMENT: It is illogical to expect that global processes and outcomes will not be strongly influenced by the corporates that operate at that level.

The New Zealand Herald investigation into multinational tax has sparked a political scrap with Labour finance spokesman Grant Robertson.

COMMENT: Boycott those companies spending a fortune to avoid paying their fair share. What they're doing might be legal - but it's morally bankrupt.

You can dip into your KiwiSaver once you are eligible for New Zealand superannuation as long as you have been in the scheme for at least five years.

The drug giant seeking $30m from the taxpayer for its cancer drug Keytruda paid less income tax in 2014 than PM John Key.

Business is facing change on a scale it hasn't seen since the 1980s as multi-nationals are targeted with new tax rules.

United Future leader Peter Dunne said he was well aware of the "urgent" issue of the tax paid by multinational companies.

Local tech companies say we need an inquiry into the multinational tax gap - which allows rivals to pay less tax than homegrown companies.

INTERACTIVE: 20 large companies made $10b of sales to Kiwis, but paid just $1.8min tax.

INTERACTIVE: Multinationals insist they are meeting their NZ legal obligations.

COMMENT: Property investment is looming as a major battleground at Australia's election later this year.