India Amended Mauritius Tax Treaty Rules

Investors using the India-Mauritius tax treaty now face stricter scrutiny of their transaction purposes.

Updated on Oct. 14, 2026 in Investing

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The Indian Finance Ministry implemented a new Principal Purpose Test for the India-Mauritius tax treaty, targeting potential abuse of international tax benefits. AI Illustration. Upload story photo >

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The Indian Finance Ministry updated the India-Mauritius Double Taxation Avoidance Agreement to incorporate a Principal Purpose Test. This provision, which took effect on August 10, 2026, allows tax authorities to deny treaty benefits if a transaction was primarily designed for tax advantages.

Why it matters

The change aims to curb potential abuses of international tax benefits and ensure fairer taxation practices. This shift impacts foreign portfolio investors and private equity funds by creating a new barrier to obtaining historical treaty-based tax savings.

This regulatory update follows the introduction of the Principal Purpose Test on August 10, 2026, impacting all Mauritius-based foreign portfolio investors and private equity funds. The total number of affected holdings and the specific financial impact per vehicle remain subject to individual scrutiny.

The players

Indian Finance Ministry

The government body responsible for fiscal policy and tax regulation that now enforces stricter scrutiny on treaty-based benefits.

The details

Tax authorities now evaluate the primary motivation behind specific financial transactions to decide if they qualify for treaty benefits. If officials determine that obtaining a tax advantage was a principal purpose of the arrangement, they are empowered to deny those benefits. This process subjects holding companies and special-purpose vehicles that rely on these treaties to heightened audit standards.

Timeline

  1. August 10, 2026: The new Principal Purpose Test officially became effective.

Money Landscape

This change follows a global trend of tightening oversight on international tax treaties to prevent base erosion. The amendment modifies the long-standing India-Mauritius Double Taxation Avoidance Agreement to align with stricter enforcement standards.

Investors managing portfolios through Mauritius-based vehicles should re-evaluate their tax strategies and documentation to ensure their activities remain compliant under the new rules. Consult with a qualified tax professional to understand how these audit changes might impact your international tax planning.

The takeaway

The move signals a stricter enforcement era for tax treaty benefits that were previously more accessible for offshore vehicles. Investors should maintain clear documentation of the business reasons behind every major transaction to prepare for increased inquiries from tax authorities.

Further reading

For more background on how regulatory changes affect international assets, visit our Investing section.

Source note: This article includes information reported by Economic Times.

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