On 4 March 2024, the Australian Taxation Office (ATO) announced the general interest charge (GIC) rates and shortfall interest charge (SIC) rates for the fourth quarter of the 2023-24 income year. For the quarter commencing on 1 March 2024, the GIC annual rate is 11.34%, and the SIC annual rate is 7.34%. The rates are lower than the annual rates of the previous quarter beginning 1 January 2024, where the GIC annual rate was 11.38%, and the SIC annual rate was 7.38%.

Quarter GIC annual rate SIC annual rate
April – June 2024 11.34% 7.34%
January – March 2024 11.38% 7.38%