Global trade is increasingly influenced by geopolitics rather than pure cost efficiency. Recent years have seen: 

• Renewed US–China tariff escalation and policy uncertainty 
• Trade diversion towards geopolitically aligned partners 
• ASEAN and India expanding their roles in reconfigured supply chains 

For MNEs, these shifts often trigger relocation of manufacturing, distribution, or sourcing activities - each of which has direct implications for transfer pricing and Pillar Two effective tax rate (ETR) calculations. 

Many governments are operating with high debt levels and persistent budget deficits. Rising interest costs and constrained fiscal space mean tax authorities are under pressure to protect domestic tax bases. 

In this environment, Pillar Two is increasingly viewed as a revenue‑protection tool, not merely a coordination mechanism. This is translating into: 

• Faster domestic implementation of minimum tax rules 
• Stronger enforcement signals 
• Less tolerance for delayed or incomplete compliance 

Tariffs, resilience concerns, and geopolitical risk are accelerating supply‑chain redesign. Common trends include: 

• Diversification away from single‑country manufacturing hubs 
• Establishment of new entities in ASEAN, India, or alternative locations 
• Changes in functional profiles and profit allocation 

Each of these changes can materially affect a group’s GloBE income, covered taxes, and jurisdictional ETRs under Pillar Two. 

Traditional tax holidays and low statutory rates are less effective when profits are subject to a 15% minimum tax elsewhere. As a result: 

• Incentives that reduce headline tax rates may simply create top‑up tax exposure 
• Governments are shifting towards Pillar Two‑compatible incentives, such as refundable credits and substance‑based support 
• Investment decisions increasingly depend on post‑Pillar Two ETR outcomes, not just local tax rates 

Singapore’s evolving incentive framework - alongside the introduction of Multinational Enterprise Top‑up Tax and Domestic Top‑up Tax - is a clear example of this shift. 

When supply chains move, Pillar Two consequences follow immediately. Common issues include: 

• Start‑up losses or low‑margin operations depressing local ETRs 
• Mismatches between transfer pricing outcomes and GloBE calculations 
• Substance levels (people and assets) becoming critical to managing exposure via the substance‑based income exclusion 

In a volatile trade environment, Pillar Two acts as a multiplier on supply‑chain risk rather than a standalone tax issue. 

With fiscal pressure mounting, tax authorities have clear incentives to ensure Pillar Two works as intended. This is reflected in: 

• Mandatory registration regimes (for example, Singapore’s MTT/DTT registration) 
• Penalties for non‑compliance 
• Increased information sharing between tax authorities 

For in‑scope groups, delayed preparation now carries real financial and reputational risk. 

• Multinational Enterprise Top‑up Tax and Domestic Top‑up Tax apply from financial years beginning on or after 1 January 2025 
• Registration for MTT/DTT and the GloBE Information Return is mandatory, with deadlines falling in 2026 for many groups 
• Singapore has signed the OECD Multilateral Competent Authority Agreement, enabling centralised GloBE Information Return filing and information exchange 
• Investment incentives are being refreshed to remain competitive in a Pillar Two environment 

Across Asia‑Pacific: 

• Australia, Japan, Korea, and Hong Kong have enacted or are implementing Pillar Two rules 
• QDMTTs are increasingly common, ensuring top‑up tax is collected locally 
• Implementation timing and technical details vary, creating a complex regional compliance landscape 

1. Confirm scope and registration obligations : Identify in‑scope entities and ensure registration requirements are met in all relevant jurisdictions. 
2. Model Pillar Two ETRs by jurisdiction : Move beyond high‑level estimates to full GloBE calculations, especially where supply chains or incentive profiles have changed. 
3. Assess recent restructuring and tariff responses: Review whether supply‑chain changes have unintentionally increased Pillar Two exposure

• Revisit investment and location decisions using post‑Pillar Two economics 
• Align transfer pricing outcomes with GloBE calculations 
• Monitor evolving incentive frameworks across APAC 
• Embed Pillar Two considerations into supply‑chain, treasury, and M&A planning