Tax Planning
How Australia’s Pillar Two Rules Are Reshaping Tax Planning for Multinationals
Big changes are coming for multinational enterprises operating in Australia ― Pillar Two global minimum tax rules will introduce fresh obligations. Learn how to prepare.
By NomadicTax Research Team • 5-8 min read • November 22, 2025
## What is Pillar Two?
Pillar Two comprises global and domestic minimum tax rules designed to ensure large multinational enterprises (MNEs) pay at least **15% tax** wherever they operate. Australia passed primary legislation for these rules in December 2024, followed by subordinate legislation establishing detailed computation methods.([ato.gov.au](https://www.ato.gov.au/about-ato/consultation/in-detail/stakeholder-relationship-groups-key-messages/energy-and-resources-working-group/energy-and-resources-working-group-key-messages-20-november-2024?utm_source=openai))
### Key components:
- **Global Minimum Tax / Global Anti-Base Erosion (GloBE)** rules
- **Domestic Minimum Tax (DMT)**
- Information return (GIR) obligations on companies in scope, starting from **30 June 2026** for the first lodgments.([ato.gov.au](https://www.ato.gov.au/media-centre/key-developments-in-tax-administration-in-australia?utm_source=openai))
## Who is in scope?
- MNE groups with **consolidated financial statements** exceeding **€750 million** globally.([ato.gov.au](https://www.ato.gov.au/about-ato/consultation/in-detail/stakeholder-relationship-groups-key-messages/energy-and-resources-working-group/energy-and-resources-working-group-key-messages-20-november-2024?utm_source=openai))
- Mostly foreign-headquartered groups with presence in Australia; around **6,000 MNE groups** expected to be in scope, of which roughly 135 are Australian-headquartered.([ato.gov.au](https://www.ato.gov.au/media-centre/key-developments-in-tax-administration-in-australia?utm_source=openai))
## Actionable tax planning strategies
1. **Review intercompany intangibles** and royalty or dividend flows. Mischaracterisation of payments or intangible migrations is a key area of ATO concern.([ato.gov.au](https://www.ato.gov.au/media-centre/key-developments-in-tax-administration-in-australia?utm_source=openai))
2. **Prepare for reporting via GIR and API channels**, including Foreign Notification, Income Inclusion Rule (IIR) / Undertaxed Profits Rule (UTPR), and domestic forms. Implementation of combined forms via ATO’s API portal is underway.([softwaredevelopers.ato.gov.au](https://softwaredevelopers.ato.gov.au/Pillar2_20250305?utm_source=openai))
3. **Build documentation and valuation policies now**. MNEs should ensure robust financial accounting, compliance readiness, and ability to prove arm’s length pricing, especially for new intangibles or restructure arrangements.
4. **Identify transitional relief measures**. The ATO intends to limit penalties during the initial filing period for firms taking reasonable steps to comply.([ato.gov.au](https://www.ato.gov.au/media-centre/key-developments-in-tax-administration-in-australia?utm_source=openai))
## Practical example
A European tech group with operations in Australia and Singapore has developed new software licensed to multiple jurisdictions. Under Pillar Two, the company must consider whether payments for use of copyright are being properly characterised, and whether withholding or royalty tax obligations in Australia (or treaty positions) align with the new guidance. Mischaracterizing these payments may result in unexpected tax liabilities when global effective tax rates fall below 15%.
## Takeaway
While Pillar Two creates compliance burdens, it also offers opportunities for forward-planning. MNEs should reassess intangibles, restructure internal payments, and upgrade reporting systems now **to minimise risk and ensure the first reports—in mid-2026—are accurate.**