The Australian Taxation Office (ATO) has updated its guidance on Company tax rates 2025-26 to include Global Minimum Tax (GMT), which ranges from 0% to 15%. As noted in the guidance, GMT applies to in-scope MNEs. Certain entities of an MNE group are excluded from the operation of the Australian global and domestic minimum tax (known as GloBE excluded entities). The top-up tax is applied to MNEs where their effective tax rate drops below the 15% threshold in a jurisdiction. The top-up tax ra…