From 1 July 2026, the gross domestic product (GDP) adjustment factor will change to 4% and will apply for the 2026–27 income year. This is used to work out quarterly GST and PAYG instalment amounts:
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Updates to tax tables and withholding schedules, including Schedule 1 – Statement of formulas for calculating amounts to be withheld (NAT 1004) and Schedule 8 – Statement of formulas for calculating study and training support loans components (NAT 3539), will
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The Protected Earnings Amount (PEA) is the part of an employee’s or contractor’s wages that are exempt from child support deductions. The PEA doesn’t apply to garnishee notices requesting deductions under section 72A of the Child Support (Registration and Collection) Act 1988.
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From 1 July 2024, the cents per kilometre rate for calculating motor vehicle expenses is 88 cents per kilometre. This change will apply for the 2024–25 income year and remain effective for the 2025–26 income year.
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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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