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What is the interest rate?

Last updated 3 March 2016

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

Interest rates for 2009-10 are shown in the table below.

Details of other quarterly interest rates are available from the Australian Taxation Office (ATO).

Table: Interest rates used for calculation of early payments, overpayments and delayed refunds (2009-10)

Period

Interest rate
(% pa)

1 July 2009 to 30 September 2009

3.13

1 October 2009 to 31 December 2009

3.30

1 January 2010 to 31 March 2010

3.95

1 April 2010 to 30 June 2010

4.16

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