• What is the interest rate?

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    This information may not apply to the current year. Check the content carefully to ensure it is applicable to your circumstances.

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    The rate used in calculating your interest is set by law and is reviewed every quarter.

    Interest rates for 2011-12 are shown in the table below.

    Details of other quarterly interest rates are available from the ATO.

    TABLE: Interest rates used for calculation of early payments, overpayments and delayed refunds (2011-12)

    Period

    Interest rate
    (% pa)

    1 July 2011 to 30 September 2011

    5.00

    1 October 2011 to 31 December 2011

    4.86

    1 January 2012 to 31 March 2012

    4.62

    1 April 2012 to 30 June 2012

    4.37

      Last modified: 04 Mar 2016QC 25631