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General interest charge (GIC) rates

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On 1 July 1999, the penalty arrangements for late payment and other obligations were rationalised and simplified pursuant to Taxation Laws Amendment Act (No 3) 1999.

This was done by the introduction of a uniform tax deductible general interest charge (GIC). The GIC replaced a complex system of interest and punitive culpability penalties imposed following late payment of outstanding amounts due to the Tax Office.

Section 8AAD of the Taxation Administration Act 1953 determines the rate of the charge. The daily rate can be calculated by dividing this rate by the number of the days in a calendar year.

From 1 July 1999 to 30 June 2000, the GIC was based on the relevant 13-week Treasury Note rate plus 8 percentage points. In June 2000, the Australian Office of Financial Management announced that fixed term Treasury Notes, including the 13-week Treasury Note, would no longer be issued. Accordingly, the GIC rate of 13.86% remained fixed from June 2000 until the new legislative basis, the 90 day Bank Accepted Bill rate and a reduced uplift factor of 7% was adopted from 1 July 2001.

In the first year (that is, 2000 financial year), the GIC daily compounding rate only applied to Pay As You Earn (PAYE), Prescribed Payment System (PPS), Reportable Payment System (RPS) and Sales Tax with a simple interest rate applying to other taxes. However, the GIC compounding rate now extends to most taxes, including income tax, fringe benefits tax, goods and services tax and pay as you go.

The GIC is updated quarterly (refer table below) with rates for the next quarter generally announced two weeks before the start of that quarter.

Quarter

GIC annual rate

GIC daily rate

October – December 2009

10.30%

0.02821918%

July – September 2009

10.13%

0.02775342%

April – June 2009

10.16%

0.02783562%

January – March 2009

11.76%

0.03221918%

October – December 2008

14.31%

0.03909836%

July – September 2008

14.75%

0.04030054%

April – June 2008

14.69%

0.04013661%

January – March 2008

14.15%

0.03866120%

October – December 2007

13.75%

0.03767123%

July – September 2007

13.37%

0.03663014%

April – June 2007

13.37%

0.03663014%

January – March 2007

13.37%

0.03663014%

October – December 2006

13.19%

0.03613699%

July – September 2006

12.87%

0.03526027%

April – June 2006

12.61%

0.03454794%

January – March 2006

12.63%

0.03460274%

October – December 2005

12.62%

0.03457534%

July – September 2005

12.68%

0.03473973%

April – June 2005

12.63%

0.03460274%

**January – March 2005

12.43%

0.03405479%

October – December 2004

12.44%

0.03398907%

July – September 2004

12.51%

0.03418033%

April – June 2004

12.57%

0.03434426%

January – March 2004

12.31%

0.03363388%

October – December 2003

11.82%

0.03238357%

July – September 2003

11.78%

0.03227397%

April – June 2003

11.75%

0.03219178%

January – March 2003

11.84%

0.03243835%

October – December 2002

11.96%

0.03276712%

July – September 2002

11.84%

0.03243835%

April – June 2002

11.31%

0.0309863%

January – March 2002

11.28%

0.03090411%

October – December 2001

11.95%

0.03273973%

July – September 2001

11.89%

0.03257534%

April – June 2001

13.86%

0.0379726%

January – March 2001

13.86%

0.0379726%

October – December 2000

13.86%

0.03786885%

July – September 2000

14.00%

0.03825137%

April – June 2000

13.65%

0.03729508%

January – March 2000

13.08%

0.0357377%

October – December 1999

12.73%

0.03487671%

July – September 1999

12.72%

0.03484931%

**Although the GIC rate for January – March quarter has slightly decreased, the daily compounding rate has increased. The reason is that 2004 was a leap year and the daily rate for each quarter in 2004 was calculated by dividing by 366 instead of the usual 365.

Last Modified: Friday, 18 September 2009

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