Miners' pitch on more taxing issues

The big players in the mining industry are well aware they are in the firing line as the federal government scours the ground looking for ways to find new sources of revenue.

The big players in the mining industry are well aware they are in the firing line as the federal government scours the ground looking for ways to find new sources of revenue.

This week they started an advertising campaign aimed at convincing the public that what is bad for the mining industry is bad for Australia. The mining industry - like the government - has been polling the public. The industry feedback is that the public understands mining carries the Australian economy.

They may have been asking the same questions, but Prime Minister Julia Gillard's perspective is probably different. She has a budget revenue hole to fill and is aware that her government is seen by the public as having allowed the mining industry to get away with paying little or no additional tax on super profits from the imposition of the minerals resource rent tax.

It's a risky strategy by the government, given the mining industry was largely responsible for toppling Kevin Rudd back in 2010 in response to his attempt to impose a super mining tax.

At this stage, however, the prospect of extracting more money from the mining industry is considered likely and attempts by the Minerals Council of Australia to gain any guidance from the government on the issue have been near-futile.

But the industry is less worried about changes to the MRRT and more concerned the government will find new ways to tax the industry, such as changes to the diesel rebate and deductibility of exploration expenditure.

The $126 million the tax yielded for the first six months of the MRRT's operation last year was a paltry shadow of the $2 billion it was forecast to raise over a year and it has been a source of serious political embarrassment for the government.

The Senate inquiry into the MRRT that began in Canberra on Wednesday will only serve to heighten public awareness of the tax's pitfalls, giving even more oxygen to the Greens and various independents who agreed to the tax when it was created but who now believe they were duped.

The trouble for Gillard is that a deal is a deal and it will be near-impossible for the government to go back on the MRRT.

It works for the large mining companies because it has built-in mitigating design features to avoid the tax being retrospective, the most important of which is to enable mining companies to revalue their existing assets to create a new, higher starting base against which they can deduct costs such as depreciation.

The deferred tax asset to which these give rise, and which can be used to offset future MRRT, is very large for the big mining companies. In the case of Rio Tinto, for example, the unrecognised deferred tax assets include $US12.6 billion ($12 billion) in respect of temporary differences that are deductible for the purposes of the MRRT.

Rio did not pay any MRRT in the six months to December last year but it might pay something in the current six months. BHP paid a small amount, while Fortescue paid nothing. It has been reported that the Tax Office is scrutinising the appropriateness of the approaches miners have taken in determining their MRRT payments.

The other issue with the tax is that it is highly leveraged to the profit paid in any period. In the six months to December, those that mined iron ore and coal suffered profit falls as these commodities experienced particularly soft prices during that period.

The mining industry that argues it already pays plenty of income tax is not overly concerned about Gillard re-engineering the MRRT. Between BHP Billiton and Rio, they pay 25ยข in the dollar of all corporate tax paid in Australia.

The mining industry's new advertising campaign is seen as a shot across the government's bow. It features a bloke in an Akubra hat telling us the election is looming and promises will be flying everywhere and suggesting there is already noise that they will be paid for by the mining industry.

It is not yet taking a serious direct swipe at the Gillard government, but that might change.

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