Entity Setup

How Australia’s Pillar Two Regime Reshapes Entity Tax Planning for Multinationals

Multinational entities operating in Australia need to understand recent changes to the global minimum tax rules under Pillar Two, effective from fiscal years starting January 2024 and 2025, and how to adjust tax planning accordingly.

By NomadicTax Research Team • 5-8 min read • November 14, 2025

## What is Pillar Two and Why It Matters Australia has formally implemented the OECD/G20 Pillar Two framework, meaning that **multinational enterprise (MNE) groups with low-taxed profits may now face global and domestic minimum tax rules**. As of fiscal years commencing: - **1 January 2024**: Australia began applying the Income Inclusion Rule (IIR) and Domestic Minimum Tax (DMT). ([ato.gov.au](https://www.ato.gov.au/businesses-and-organisations/international-tax-for-business/in-detail/multinationals/global-and-domestic-minimum-tax?utm_source=openai)) - **1 January 2025**: The Undertaxed Profits Rule (UTPR) became operative, acting as a backstop when profits are not fully taxed under the primary rules. ([ato.gov.au](https://www.ato.gov.au/businesses-and-organisations/international-tax-for-business/in-detail/multinationals/global-and-domestic-minimum-tax?utm_source=openai)) These changes are **law**, not prospective proposals—so if your entity is affected, compliance is required now. ([ato.gov.au](https://www.ato.gov.au/businesses-and-organisations/international-tax-for-business/in-detail/multinationals/global-and-domestic-minimum-tax?utm_source=openai)) ## Key Entity Setup and Planning Implications To align with the new regime, affected multinationals should consider: - **Reviewing entity structures**: Where profits are shifted overseas to low-tax jurisdictions, you may incur top-up tax either under IIR or UTPR. Ensuring subsidiaries are taxed appropriately and profits are properly allocated becomes essential. - **Understanding domestic minimum tax (DMT)**: If a profit is not brought into domestic charge under IIR or UTPR (because it becomes taxed first under foreign administration), Australia can instead impose the DMT. Entities must assess the jurisdictional effective tax rate to anticipate exposure. ([ato.gov.au](https://www.ato.gov.au/businesses-and-organisations/international-tax-for-business/in-detail/multinationals/global-and-domestic-minimum-tax?utm_source=openai)) - **Documenting and evidencing tax positions**: With measures now statutory, keeping detailed financial records, documenting intercompany arrangements, transfer pricing analyses, and related party agreements is non-negotiable. ## Practical Examples - A foreign parent company with an Australian subsidiary paying royalties to a low-tax jurisdiction: under Pillar Two, if foreign jurisdiction has a rate below 15%, IIR or UTPR may require top-up in Australia. - Corporations with **in-house R&D hubs overseas** should review whether foreign income qualifies for relief or if cross-border profits are being under-taxed. ## Actionable Steps 1. **Scope your obligations**: Determine whether you are an in-scope MNE—size threshold is typically EUR 750 million consolidated revenue under OECD definitions. ([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)) 2. **Map your international operations**: Identify where income is booked, what treaties or rules are in play, and locate low-tax jurisdictions. 3. **Engage with guidance products**: ATO has indicated it is developing guidance, including external forms, rules, and compliance timelines. It’s essential to monitor and participate in consultations. ([ato.gov.au](https://www.ato.gov.au/businesses-and-organisations/international-tax-for-business/in-detail/multinationals/global-and-domestic-minimum-tax?utm_source=openai)) 4. **Update tax policies and workflows**: Ensure tax reporting systems capture required details for GIR (GloBE Information Return), transfer pricing, and royalty or intangible payments. 5. **Plan for transitional compliance costs**: Expect some leniency during initial filings if “reasonable measures” have been taken. ([ato.gov.au](https://www.ato.gov.au/media-centre/key-developments-in-tax-administration-in-australia?utm_source=openai)) ## Takeaway The Pillar Two rules mark a structural change in international tax for Australian entities. They shift the burden onto companies to ensure that profits are taxed at least at the minimum rate globally and domestically. Effective entity setup or restructuring now can reduce exposure to top-up taxes, compliance costs, and potential disputes. Attention to detail, transparency, and forward planning are your keys to staying ahead.