Statement of formula rates and thresholds

From 1 July 2024, the gross domestic product (GDP) adjustment factor of 6% will continue to apply for the 2024-25 income year. This is used to work out quarterly GST and PAYG instalment amounts:
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Medicare levy surcharge (MLS) amounts and thresholds to be updated as per the tables in the ‘Resource Attachments’ file.
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On 19 June 2020 , royal assent was received to suspend indexation forGST and PAYG instalments for the 2020–21 income year in response to COVID-19.
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Eligibility for the private health insurance (PHI) rebate is income tested against the PHI income thresholds, which are normally adjusted annually. The annual adjustment will be paused for three years from 2015–16
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