ATO GIC 10.65% (Jan–Mar 2026): Daily Interest Calculator & How to Stop It Fast (Australia)
ATO GIC 10.65% (Jan–Mar 2026): Daily Interest Calculator & How to Stop It Fast Short answer first: If you have an overdue tax bill, the ATO is charging a General Interest Charge (GIC) of 10.65% per annum for the January–March 2026 …