Skip to content On 2 May 2010 the government released the Henry Tax Review with its initial response, which included a 40% Resource Super Profits Tax on non-renewable resource projects. Mining companies campaigned hard against it.Source: Azure Group, Henry review... Soon after Julia Gillard became prime minister, the government replaced the Resource Super Profits Tax with the Minerals Resource Rent Tax on iron ore and coal, and a promise to extend the PRRT to all oil and gas projects. Both started on 1 July 2012.Source: Senate... In November 2018 the government released its response to the PRRT review, to be legislated in two tranches. The first cut uplift rates and removed onshore projects from 1 July 2019.Source: Senate Economics Committee, PRRT bill report... On 7 May 2023 the government announced changes to the PRRT in response to the Treasury Gas Transfer Pricing review, led by a cap on deductions for LNG projects, starting 1 July 2023.Source: ATO, Government response to the Gas Transfer Pricing... 