Rates of interest
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Market rate
The market rate of interest for 1 July 2026 to 30 June 2027 is 4.43 per cent.
The market rate is designed to ensure that the State is not put at a disadvantage as a result of not receiving tax by the due date.
The premium rate is designed to encourage prompt payment of outstanding amounts once a tax default is identified, or from the time it reasonably should have been identified.
Revenue Ruling
Refer to PUB-GEN-2021-1 Interest and Penalty Tax for information about the circumstances when interest may be imposed or remitted.
Current and historical rates of interest
|
Period |
Market rate of interest |
Premium rate of interest |
Total rate of interest |
1 July 2026 -
30 June 2027
| 4.43%
| 4.00%
| 8.43%
|
1 July 2025 -
30 June 2026
| 3.78%
| 4.00%
| 7.78%
|
1 July 2024 -
30 June 2025
| 4.36%
| 4.00%
| 8.36%
|
1 July 2023 -
30 June 2024
| 3.90%
| 4.00%
| 7.90%
|
1 July 2022 -
30 June 2023
| 1.00%
| 4.00%
| 5.00%
|
1 July 2021 -
30 June 2022
| 0.04%
| 4.00%
| 4.04% |
1 July 2020 -
30 June 2021
| 0.10%
| 8.00%
| 8.10%
|
1 July 2019 -
30 June 2020
| 1.54%
| 8.00% | 9.54% |
1 July 2018 -
30 June 2019
| 1.96%
| 8.00%
| 9.96% |
1 July 2017 -
30 June 2018 | 1.73% | 8.00% | 9.73% |
1 July 2016 -
30 June 2017 | 2.01% | 8.00% | 10.01% |
1 July 2015 -
30 June 2016 | 2.15% | 8.00% | 10.15% |
1 July 2014 -
30 June 2015 | 2.69% | 8.00% | 10.69% |
1 July 2013 -
30 June 2014 | 2.82% | 8.00% | 10.82% |
1 July 2012 -
30 June 2013 | 3.66% | 8.00% | 11.66% |
1 July 2011 -
30 June 2012 | 5.00% | 8.00% | 13.00% |
1 July 2010 -
30 June 2011 | 4.81% | 8.00% | 12.81% |
| 1 December 2009 - 30 June 2010 | 3.13% | 8.00% | 11.13% |
1 July 1998 -
30 November 2009 | 4.81% | 8.00% | 12.81% |