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  • Rates – business

    Fuel tax credit rates change regularly. They are indexed twice a year – in February and August – based on the upward movement of the consumer price index (CPI).

    Fuel tax credit rates may also change in July for fuel used in a heavy vehicle for travelling on public roads. This is due to changes to the road user charge, which is reviewed annually. In July, rates will also change for biodiesel (B100) due to an annual increase in excise duty rates.

    Current fuel tax credit rates

    For current fuel tax rates, see From 1 July 2021 to 31 January 2022 (includes rates from 2 August 2021).

    Past fuel tax credit rates

    There are time limits for claiming fuel tax credits, making adjustments and correcting errors – generally, you must claim or amend your claim within four years.

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    Last modified: 28 Jul 2021QC 44494