obviously we've got a range of contingencies, but people should expect that petrol tax cut will be in the Budget until the end of June."A government source has confirmed Labor has not ruled out reconsidering extending the excise after the budget, if the price of petrol soars again.The measure has in the past month soothed costs for consumers faced with soaring bills due to the war, which pushed up fuel prices by 33 per cent, according to Australian Bureau of Statistics figures for March Australia's regional benchmark, Tapis crude, was trading at US$125 ($173.41) late last week — surpassing highs from previous weeks."It's certainly higher than anything we've seen since the conflict in Iran began, which was the previous high of US$121 a barrel," NRMA spokesman Peter Khoury told SBS News.Khoury says wholesale petrol prices are expected to move up this week — and then onwards to the retail pump price."Unfortunately, if these increases are sustained and look like they will be, they will flow on to the wholesale prices, and then that will inevitably be passed on to the unleaded price."But we do expect, unfortunately, those [current petrol and diesel] prices will end up going up if the oil prices stay high."The unpredictability of the geopolitics surrounding the war is also playing a huge part