Interest rates
The interest rates applicable from 1 January 2012 are 4.62% (market rate) and 12.62% (market rate plus premium rate).
The market rate of interest (section 21 of the Taxation Administration Act 1996) is updated quarterly and is based on the last monthly 90 day accepted bill rate published by the Reserve Bank before the start of each quarter.
| Period | Market rate | Premium rate | Total rate of interest |
|---|---|---|---|
01/01/2012 - 31/03/2012 | 4.62% | 8% | 12.62% |
01/10/2011 - 31/12/2011 | 4.86% | 8% | 12.86% |
01/07/2011 - 30/09/2011 | 5.00% | 8% | 13.00% |
01/04/2011 - 30/06/2011 | 4.92% | 8% | 12.92% |
01/01/2011 - 31/03/2011 | 5.02% | 8% | 13.02% |
01/10/2010 - 31/12/2010 | 4.74% | 8% | 12.74% |
01/07/2010 - 30/09/2010 | 4.80% | 8% | 12.80% |
01/04/2010 - 30/06/2010 | 4.16% | 8% | 12.16% |
01/01/2010 - 31/03/2010 | 3.95% | 8% | 11.95% |
01/10/2009 - 31/12/2009 | 3.30% | 8% | 11.30% |
01/07/2009 - 30/09/2009 | 3.13% | 8% | 11.13% |
01/07/2008 - 30/06/2009 | 7.75% | 8% | 15.75% |
01/07/2007 - 30/06/2008 | 6.37% | 8% | 14.37% |
01/07/2006 - 30/06/2007 | 5.87% | 8% | 13.87% |
01/07/2005 - 30/06/2006 | 5.68% | 8% | 13.68% |
01/07/2004 - 30/06/2005 | 5.51% | 8% | 13.51% |
01/07/2003 - 30/06/2004 | 4.78% | 8% | 12.78% |
01/07/2002 - 30/06/2003 | 4.84% | 8% | 12.84% |
01/07/2001 - 30/06/2002 | 4.89% | 8% | 12.89% |
01/07/2000 - 30/06/2001 | 5.95% | 8% | 13.95 % |
01/07/1999 - 30/06/2000 | 4.72% | 8% | 12.72 % |
01/01/1998 - 30/06/1999 | 8.80% | 8% | 16.80 % |
01/07/1997 - 31/12/1997 | 9.80% | 8% | 17.80 % |
01/01/1996 - 30/06/1997 | 10.50% | 8% | 18.50 % |
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