CBDT Issues Clarification on Principal Purpose Test (PPT) in DTAA: Key Takeaways for Investors

In a significant development aimed at providing regulatory clarity and investor confidence, the Central Board of Direct Taxes (CBDT) has issued a press release dated March 15, 2025, clarifying key aspects of the Principal Purpose Test (PPT) in Double Taxation Avoidance Agreements (DTAA). This move comes amid concerns over the potential impact of the PPT on foreign portfolio investors (FPIs) and cross-border investment structures.

Understanding the Context: Why Does This Matter?

The Principal Purpose Test (PPT) was introduced in India’s tax treaties to curb treaty abuse, ensuring that tax benefits are granted only where the arrangement has a genuine commercial purpose and is not solely aimed at avoiding taxes. This aligns with the OECD’s Base Erosion and Profit Shifting (BEPS) framework, which aims to counteract artificial tax planning strategies.

India and Mauritius, in their April 2024 treaty amendment, formally incorporated the PPT, signaling a shift towards a more rigorous anti-abuse mechanism. While such provisions were expected to strengthen tax integrity, they also led to uncertainties for FPIs, especially those using Mauritius-based structures, a historically preferred route for foreign investments into India.

Key Clarifications from CBDT

The latest CBDT circular provides much-needed clarity on the following aspects:

1. PPT Scope and Applicability

  • The PPT will apply only to DTAAs that explicitly include the provision.
  • Other treaty entitlement conditions, such as Limitation of Benefits (LoB) clauses, remain unaffected.
  • This means that even if a case falls outside the PPT’s purview, it may still be scrutinized under other treaty-based conditions.

2. No Retrospective Application

  • A major concern for investors was whether the PPT would apply to past investments, especially those structured before the 2024 India-Mauritius treaty amendment.
  • CBDT has categorically clarified that PPT will not have a retrospective impact, ensuring that previously made investments are not reassessed under new anti-abuse standards.

3. Domestic Anti-Avoidance Provisions Remain Unaffected

  • While the PPT governs treaty benefits, India’s domestic tax laws—particularly the General Anti-Avoidance Rule (GAAR) and Judicial Anti-Avoidance Rule (JAAR)—continue to apply independently.
  • This means that even if an arrangement passes the PPT test, it could still be challenged under GAAR if it lacks commercial substance or has been structured solely for tax benefits.

Examples of How PPT Will Apply

Example 1: Mauritius-Based Investment Vehicle

A Foreign Portfolio Investor (FPI) based in Mauritius invests in Indian equities, claiming DTAA benefits to avail a reduced withholding tax rate. If the FPI lacks substantive operations in Mauritius and exists solely for tax benefits, it may fail the PPT test. However, if it has a full-fledged office, employees, and carries out genuine fund management activities, it is more likely to pass the test.

Example 2: Shell Company for Royalty Payments

A US-based multinational sets up a subsidiary in Singapore solely to receive royalty payments from its Indian operations at a lower tax rate under the India-Singapore DTAA. If the Singapore entity does not have substantial operations and merely acts as a conduit, tax authorities may invoke the PPT to deny treaty benefits and apply India’s domestic tax rates.

Example 3: Holding Company in Netherlands

An Indian company routes its outbound investments through a Netherlands holding company to claim capital gains exemption under the India-Netherlands DTAA. If the Netherlands entity is a mere pass-through with no real decision-making, it could be challenged under the PPT. However, if it has legitimate business operations, active board meetings, and real investments, it would be compliant.

Example 4: GAAR vs. PPT in Tax Avoidance Cases

A group of investors structures their investments through a jurisdiction with a favorable treaty. While their arrangement passes the PPT test, India’s tax authorities still invoke GAAR, citing that the primary purpose was tax avoidance. This shows that while PPT applies specifically to treaty claims, GAAR remains an independent anti-abuse measure.

Why This Matters for Investors & FPIs

This clarification is significant for Foreign Portfolio Investors (FPIs) and other cross-border investment entities for the following reasons:

  1. Regulatory Certainty: The lack of retrospective application of the PPT reassures investors that past investments will not be re-evaluated under stricter standards.
  2. Commercial Substance is Key: While the treaty benefits remain intact, India continues to enforce substance-based taxation, ensuring that tax structures are driven by real business purposes and not just tax savings.
  3. Tax Treaty Benefits Remain Accessible: Investors relying on Mauritius and other treaty jurisdictions can still avail tax benefits, provided they meet the eligibility criteria under DTAA provisions and domestic laws.

Market Reactions and Implications

Following the CBDT’s clarification, market confidence has improved, with investors now having a clearer understanding of compliance expectations. The balanced approach—providing relief on past structures while upholding domestic anti-abuse rules—aligns India with global tax norms without disrupting investment flows.

However, investors must recognize that tax authorities will continue to monitor transactions under GAAR, JAAR, and other domestic anti-abuse measures, reinforcing the need for robust documentation and genuine commercial substance in investment structures.

Final Takeaways

The CBDT’s clarification on the PPT marks a crucial step in stabilizing India’s international tax landscape. While past investments remain protected, future tax structuring must ensure substance over form to withstand scrutiny under both treaty-based and domestic anti-avoidance provisions.

Key Points to Remember:

  • PPT applies only to DTAAs that include it explicitly.
  • No retrospective application for past investments.
  • GAAR and domestic anti-avoidance provisions remain fully operational.
  • Investors must demonstrate commercial substance beyond tax benefits.

As global tax policies evolve, India’s commitment to striking a balance between tax integrity and investor confidence remains critical. Investors and tax practitioners must stay updated on treaty developments and ensure their structures comply with both international and domestic tax laws.


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