GST WA: Latest updates on the 2018 GST Reforms

WA ‘Have your say’ submissions are closed. Read the WA Government’s submissions and the latest updates on the GST reform inquiry.
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The WA Government and Productivity Commission invited the public to provide feedback on 2018 GST Reforms.

The WA Government public submissions closed on 24 February 2026 and the Productivity Commission closes 27 February 2026. 

The Productivity Commission will consider these submissions when preparing its interim report due 28 August 2026 and the final report by 31 December 2026.

This report and recommendations will help the Australian Government decide if the GST changes made in 2018 are working as they should, or if the way GST is shared between states could be improved. 

The WA Government's Submissions

The Western Australian Government has lodged its submission to the Productivity Commission’s inquiry into the 2018 GST Reforms, alongside a People’s Submission capturing more than 6,000 community views.

The People’s Submission shows strong support for Western Australia keeping its current GST share. Feedback from the survey highlighted the following: 

  • 6,066 people shared their views
  • Respondents overwhelmingly supported WA keeping its current GST share
  • Responses came from metropolitan and regional areas, across all age groups
  • People said GST funding is important for hospitals and health services, schools, infrastructure, regional and remote services, and keeping WA’s economy strong 

Together, they make clear the 2018 GST Reforms are working for Western Australia and the nation, and should be retained.

Read the Western Australian Government submissions below: 

The People's Submission

WA Government Submission

Productivity Commission inquiry

The Productivity Commission (PC) will provide an interim report to the Government by 28 August 2026, with a final report expected before 31 December 2026.

This feedback will help inform the Australian Government to decide whether the 2018 GST reforms are operating as intended, or if the GST distribution system could be improved. The PC may use these submissions as part of their interim and final report. Initial submissions to inform the interim report are due by Friday 27 February 2026.  

This feedback will help inform the Australian Government to decide whether the 2018 GST reforms are operating as intended, or if the GST distribution system could be improved. The PC may use these submissions as part of their interim and final report. Initial submissions to inform the interim report are due by Friday 27 February 2026.   

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GST WA: Homepage

Learn more about GST reforms, the 2026 Productivity Commission inquiry and how this affects WA and the Australian economy.

GST WA: About the GST reforms

Learn more about how the GST distribution works, WA's share and the review of the 2018 GST reforms.

GST WA: What would changes to the distribution mean?

Learn more about the current WA GST share and why keeping WA’s fair share matters.

How does having my say help?

Having your say is an opportunity to show that you care about keeping a fair distribution of GST funding in WA.  

Public feedback is considered to help inform the review, which can influence decisions about how GST money is distributed.

Your input helps protect the GST funding into WA which is used for essential services, supports jobs, and funds important infrastructure across Western Australia. 

What happens if I don’t have my say? 

If you don’t make a submission or share your opinion, your voice won’t be heard in the review process. While WA Government will make a submission, having more people speak up and provide feedback helps show how important the existing GST funding is for WA. 

Why should I have my say and how will my information be used?

The Department of the Premier and Cabinet is inviting the community to have their say in relation to the GST share. We will use the information provided to help inform the WA Government’s official submission to the Productivity Commission and will provide it to those people who are helping to develop the WA Government’s submission. 

Want to find out more about GST reforms?

 Productivity Commission 

To learn more about the inquiry from the Productivity Commission visit the terms of reference. Terms of Reference – GST Reforms  

Australian Taxation Office (ATO) 

Learn more about how GST works in Australia on the ATO website. How GST Works 

Parliamentary Education Office 

Learn the background on how the GST was introduced in Australia. History of the GST  

Federal Register of Legislation 

Read the full text of the legislation governing GST. A New Tax System (Goods and Services Tax) Act 1999  

Commonwealth Grants Commission (CGC) 

Find out how GST revenue is distributed across Australia’s states and territories. About GST Distribution 

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