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Yes. A Mauritius resident generally needs a tax residency certificate (TRC) issued by the Mauritius government to claim relief under the India–Mauritius tax treaty. Section 90(4) of India’s Income-tax Act makes a residence certificate from the other country’s government a condition for a nonresident’s treaty-relief claim. But a TRC is evidence of residence—not a guarantee of a reduced rate or exemption. The income, treaty article, supplementary information and applicable anti-avoidance rules still matter.
What does the Indian rule require?
Section 90(4) of the Indian Income-tax Act, 1961 says that an assessee who is not resident in India and to whom a tax agreement applies cannot claim relief under that agreement unless they obtain a certificate of residence from the government of the foreign country or specified territory. For a person relying on residence in Mauritius to claim relief under the India–Mauritius treaty, that means a TRC issued by the Mauritius government.
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The requirement is about the source and authority of the document: it must certify residence and come from the government of the country being claimed as the taxpayer’s residence. A private adviser’s letter, a company’s own declaration or a certificate from a different jurisdiction is not a substitute for the required government certificate. The document should also cover the period for which the Indian income or withholding position is being claimed. A certificate for a different year may not establish residence for the year under review.
The statutory requirement is a threshold, not the whole treaty analysis. Section 90(5) also allows prescribed requirements for other documents and information. Those particulars are set out in Rule 21AB, and the taxpayer must be able to substantiate them if an Indian tax authority asks. The text of Rule 21AB is therefore important alongside section 90(4). Compliance is best treated as a file of connected evidence rather than as a single certificate uploaded without context.
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Does a TRC by itself guarantee treaty relief?
No. A TRC supports the claim that the taxpayer was resident in Mauritius during the period it covers; it does not decide every condition for a particular tax benefit. The treaty article, type and source of income, relevant tax year, and facts about the taxpayer or transaction can all affect the result.
For example, the Mauritius Revenue Authority’s treaty highlights list different maximum source-state rates for different income categories: dividends at 5% and 15%, interest at 7.5%, and royalties at 15%. These are summary figures, not automatic rates for every payment. Two dividend rates do not mean that every dividend payer or recipient may choose the lower figure. A taxpayer must check the applicable treaty text and amendments, the relevant article and its conditions, and whether the taxpayer qualifies for the treatment claimed. The MRA’s treaty page identifies India as a treaty partner and links treaty materials and highlights.
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What information may need to accompany the certificate?
Rule 21AB lists particulars that may need to be furnished in addition to the TRC, to the extent they are not already stated in it. If the certificate already contains one of the listed particulars, the rule says that information need not be provided again. Read the certificate carefully: repeating information is less important than identifying what is absent and supplying it in the prescribed manner.
- Status: whether the taxpayer is an individual, company, firm or another type of person.
- Identity or formation details: an individual’s nationality, or another person’s country of incorporation or registration.
- Tax or government identification: the tax identification number in the residence country or, if there is no tax number, a unique government-assigned identification number.
- Residence period: the period for which the certificate establishes residence.
- Address: the taxpayer’s address in the residence country for that period.
Rule 21AB also requires the taxpayer to keep documents supporting the additional information. An income-tax authority may request those records in connection with the relief claim. Supporting material should be internally consistent: the name, legal form, identification number, address and dates should correspond across the TRC, tax filings, contracts and payment records. If a certificate uses a local format or terminology, retain any explanation or related government record needed to show what the fields mean.
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Is Form 10F needed for a Mauritius resident?
Where prescribed information is absent from the TRC, Indian guidance describes the additional particulars as separately furnishable. Government guidance identifies electronic Form 10F for this supplementary information for nonresidents claiming treaty benefits. Check the form name, portal instructions and filing requirements in force when submitting the claim, because administrative instructions can change. A form submission should be consistent with the TRC; it is not a way to cure an incorrect residence period or to replace the government-issued certificate.
Do not confuse this with the Indian TRC application process. The Form 10FA/10FB process described in Rule 21AB concerns an Indian resident seeking an Indian certificate to use in another country. It is not the process by which a Mauritius resident obtains a Mauritius TRC for an Indian claim. The direction of the claim matters: a Mauritius resident obtains evidence from Mauritius for use in India, while an Indian resident may seek an Indian certificate for use overseas.
The CBDT’s Circular No. 3/2014 explains that foreign authorities issue TRCs in different formats and that a certificate in the issuing country’s own format can meet the certificate requirement. That point does not remove the separate obligation to supply other prescribed particulars when they are not on the certificate, or to retain supporting records. In practical terms, do not reject a Mauritius-format certificate merely because it does not resemble an Indian template, but do not assume that format alone answers every Rule 21AB field.
How do requirements differ by type of income?
The residence-document requirement is common, but the substantive review changes with the payment. Start by identifying whether the item is a dividend, interest, royalty or another category, then locate the corresponding treaty article for the relevant year. The MRA summary lists maximum source-state rates for India of 5% and 15% for dividends, 7.5% for interest and 15% for royalties. Those figures are useful for orientation, not a substitute for reading the operative article.
- Dividends: determine which of the two listed maximum rates could be relevant and check all article conditions before applying either rate.
- Interest: verify that the payment fits the treaty’s interest definition and that any recipient or ownership conditions are met; the summary rate is a ceiling, not an automatic entitlement.
- Royalties: confirm that the payment is legally a royalty under the treaty and that the 15% summary rate applies to the specific fact pattern and tax year.
- Other income: do not force an item into one of these categories. Business profits, capital gains, employment income and services may be governed by different articles and tests.
This comparison also explains why a generic “Mauritius treaty rate” is misleading. The same TRC may support different claims, but each payment still requires its own article, source analysis, documentation and withholding position.
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How should you prepare a treaty-relief claim?
Build the claim around the specific income and tax year, then verify that the residence evidence and supplementary information match. This checklist helps identify gaps; it does not determine whether a particular claim qualifies.
- Identify the claimant and income. Establish who earned or received the income, what kind of income it is, and the tax year involved. Record the payer, payment date and amount, because those details help tie the certificate and treaty analysis to the withholding event.
- Confirm the treaty position for that year. Use the treaty text and any applicable protocol or amendment, not only a summary table. The MRA lists the India treaty and related materials, but the applicable legal position can depend on the relevant period.
- Obtain the Mauritius TRC for the relevant residence period. Check that it is issued by the Mauritius government and that its covered period corresponds to the period relevant to the claim. The reviewed official information does not establish one universal application checklist or processing time, so consult the Mauritius Revenue Authority for current issuance requirements.
- Compare the certificate with Rule 21AB. Check whether status, nationality or incorporation details, identification number, covered period and address appear. Identify any missing information rather than duplicating details already shown.
- Complete the applicable supplementary filing. Furnish prescribed additional particulars as required, including through the currently applicable electronic Form 10F process where relevant. Verify current Indian portal instructions at filing time and retain confirmation of submission.
- Coordinate with the payer or withholding agent. Provide the documents early enough for the payer’s withholding and reporting process, while recognizing that a payer may request its own compliance records. A TRC does not compel a payer to ignore other legally required withholding conditions.
- Retain substantiation. Keep records supporting the furnished particulars and the residence period. The rule specifically contemplates that an authority may request supporting documents. Preserve the certificate, Form 10F information, contracts, payment statements and relevant correspondence together.
- Assess substantive treaty conditions separately. Review the relevant treaty article and the facts bearing on eligibility, including any applicable anti-avoidance provisions. Obtain qualified cross-border tax advice for a material or complex claim.
What common mistakes can derail a claim?
The most frequent problems are documentary mismatches rather than an absence of a treaty. A TRC may cover a calendar period while the payment or filing concerns another period. The taxpayer may omit a government identification number, address or legal-status detail because it appears “obvious” from other records. Or the taxpayer may file Form 10F but fail to keep evidence supporting the statements made there.
Another mistake is treating an MRA highlights table as if it were the treaty text. Summary rates do not resolve income characterization, beneficial entitlement, amendments or anti-avoidance questions. Similarly, a certificate issued in Mauritius does not by itself prove that a structure is entitled to every treaty benefit. Review the facts that connect the taxpayer to the income and the article being claimed.
Finally, avoid using the wrong Indian form. Form 10FA/10FB relates to an Indian resident obtaining an Indian TRC for foreign use; it is not a replacement for a Mauritius TRC. Confirm the current electronic Form 10F process and portal instructions instead of relying on an old filing workflow.
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What changed with the treaty protocols and 2026 court decision?
The protocol history and recent litigation make it especially important to match the analysis to the tax year; they do not eliminate the basic certificate requirement. India’s 10 August 2016 notification states that the 2016 protocol entered into force on 19 July 2016. The Indian notification confirms that date, but it should not be read as establishing that every transitional rule applies to every later claim. In particular, do not assume that a transitional capital-gains provision governs all current transactions.
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The MRA’s treaty page also lists a 2026 protocol. The material available here does not establish that protocol’s effective date or full effects. Before relying on a treaty rate or other provision, check whether the relevant protocol applies to the particular income year and claim. A protocol listed on a government website is not, without more, proof that every provision was operative on the payment date.
On 15 January 2026, the Supreme Court of India issued its decision in Tiger Global International Holdings and others, concerning particular Mauritius investment structures and anti-avoidance proceedings. The judgment discusses the TRC and supplementary-document framework, but its result is tied to the facts and proceedings before the Court. It should not be treated as a blanket rule that every Mauritius TRC is invalid, or that a certificate alone settles every treaty claim. A taxpayer should compare the transaction, structure, income and procedural posture before drawing any conclusion from that decision.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What should a Mauritius taxpayer take away?
For the general question, the answer is yes: a Mauritius resident seeking India–Mauritius treaty relief needs a Mauritius government-issued TRC under section 90(4). The taxpayer should also check Rule 21AB, provide any required additional information, retain support for that information, and analyze the actual income and treaty conditions for the relevant year.
The certificate establishes neither an automatic lower rate nor an exemption. Because treaty amendments, filing requirements and anti-avoidance issues can affect individual cases, confirm current requirements with the relevant authorities and seek advice from a qualified cross-border tax professional when the amount or structure warrants it.
Frequently Asked Questions
Can I use a Mauritius TRC for an Indian tax year that the certificate does not cover?
A certificate only establishes residence for its stated period, so a mismatch with the period relevant to the claim should be resolved rather than assumed away. Ask the Mauritius Revenue Authority about current issuance requirements and obtain advice on the period the Indian claim requires.
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Where do I apply for a Mauritius tax residency certificate?
The certificate required for this claim must come from the Mauritius government. For the current application route, supporting documents and processing details, consult the Mauritius Revenue Authority; the available official material does not establish a fixed universal checklist or turnaround time.
Do Indian residents use Form 10FA or 10FB to claim benefits in Mauritius?
Those forms relate to an Indian resident seeking an Indian tax residence certificate for use abroad. They are distinct from a Mauritius resident’s request for a Mauritius-issued TRC to support a claim in India.
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1Clear out junk files and repair common Windows errors2Scan for outdated or missing drivers - takes under a minute3Repair Windows errors before they cause bigger problemsIf my Mauritius TRC is valid, can I automatically apply the 7.5% interest rate?
No. The Mauritius Revenue Authority’s treaty highlights list 7.5% as a maximum source-state rate for interest, but the payment must fit the treaty article and satisfy its conditions for the relevant year. The TRC is necessary evidence of residence, not an automatic rate approval.
What if my TRC does not show my tax identification number or address?
Check Rule 21AB and provide the missing prescribed particulars through the applicable Indian process, including electronic Form 10F where required. Keep documents that substantiate the information and confirm the current portal instructions before filing.
The Bottom Line
Bottom line: A Mauritius government-issued TRC is required for a nonresident’s India–Mauritius treaty-relief claim under section 90(4), but it is only the starting point. Match the certificate period and Rule 21AB information to the income, complete applicable Form 10F requirements, retain substantiation, and test the treaty article, protocols and anti-avoidance rules for the relevant tax year.
