How to Choose an NRI Tax Service in 2026: The 7 Criteria That Decide Recovery

Most NRI returns are filed at the rate the bank already deducted. That is the whole problem in one sentence.

A flat ITR fee is the same whether the treaty rate is claimed inside the return or the return simply repeats the Section 195 default the bank applied. So the common outcome is 30% on NRO interest and 20% on dividends, with no treaty claim ever made.

The arithmetic is easy to check on your own file. A UAE NRI with a ₹15 lakh NRO FD at 7% earns ₹1,05,000 of interest. At the 30% default the bank withholds ₹31,500. Article 11 of the India-UAE treaty caps India's tax on that interest at 12.5%, which is ₹13,125. The gap on that one deposit is ₹18,375 a year.

Past years are not always lost. Section 119(2)(b) with CBDT Circular 11/2024 lets you apply to have a late refund claim admitted up to five years from the end of the assessment year. Read the circular before you count the money though: it also says no Section 244A interest is payable on a refund allowed that way, and the application has to show a correct and genuine claim, so it is a request, not a right.

The seven criteria below are things you can test in a first call. None of them require you to know tax law.

Ask what is inside the quote, not what the number is. A low headline fee that excludes the TRC chase, Form 41, the past-year petition and any reply to a notice is not cheap. It is a smaller job.

There is a real incentive problem with a flat ITR fee. Claiming the treaty rate properly means chasing a TRC from your country's tax authority, filing Form 41 (formerly Form 10F) on the portal, completing the DTAA rows inside the return, and often a Section 119(2)(b) petition for older years. None of that moves the fee, so the cheapest path for the preparer is to take the bank's TDS at face value and file at the deducted rate.

The obvious-looking fix, paying a percentage of whatever is recovered, runs into a professional-conduct rule most people have never heard of. Clause (10) of Part I of the First Schedule to the Chartered Accountants Act 1949 bars a CA in practice from charging fees based on a percentage of profits or contingent on the findings or results of the work, except in the narrow cases Regulation 192 permits. So a percentage-of-refund quote is a question to ask about, not a badge of alignment.

What to ask: is the fee fixed, and does it include the TRC support, Form 41, the DTAA rows in the return, a Section 119(2)(b) application if past years are open, and a reply if a notice follows? If any of those is extra, get the extra in writing before you start.

India has more than 90 treaties in force and the article numbers are not the same in each one. A service that says it works any country usually falls back on the domestic rate, because that is what you do when you do not know the article.

Three examples of the detail that decides your number.

Gulf. The India-Kuwait treaty caps interest at 10% (Article 11). Oman also caps at 10%, but interest is Article 12 there, not 11. The India-UAE cap is 12.5% for ordinary deposit interest under Article 11, with a 5% limb that applies only to interest on a loan from a bank or similar financial institution. Bahrain is the trap: India and Bahrain have a Tax Information Exchange Agreement and no comprehensive treaty, so there is no cap to claim.

United Kingdom. Dividends are Article 11, interest is Article 12 (15%, with a 10% rate only where the recipient is a bank carrying on a bona fide banking business), and royalties and fees for technical services are Article 13. The protocol in force from 27 December 2013 replaced the dividends article and left interest and royalties alone, which is the opposite of what people usually assume.

Singapore. Under the Third Protocol, shares acquired before 1 April 2017 stay taxable only in Singapore. Shares acquired on or after that date can be taxed in India. The test is the date you acquired them, not the date you sold, so a service that never asks when you bought is not going to get this right.

One position to be careful about anywhere: a most-favoured-nation clause in a protocol does not deliver a lower rate on its own. In Assessing Officer v. Nestle SA (2023 INSC 928, 19 October 2023) the Supreme Court held that MFN benefits are not available until a notification issues under Section 90(1). A service still quoting an unnotified MFN dividend rate is filing a position that has already lost in court.

Ask: can you name my treaty's interest article, dividend article and capital gains article, and their caps, without looking them up?

Section 119(2)(b) with CBDT Circular 11/2024 is the route to a refund claim you filed too late, and the outer limit is five years from the end of the relevant assessment year. It is a request for the delay to be condoned, decided by the tax authority, and the circular asks for it to be disposed of within six months from the end of the month it is received.

Two conditions are worth reading before anyone quotes you a number. The circular requires reasonable cause and genuine hardship for the delay, and the claim itself has to be correct and genuine. It also says no interest is allowed on a belated refund claim, so a past-year estimate that adds Section 244A interest on top is not the number you will see.

The petition is more work than a return: a TRC for each year, Form 41 (formerly Form 10F), the return for each year, and a covering letter that explains the delay. A service that only files the current year is not wrong, but it is a narrower job than you may think you are buying.

Ask: do you file Section 119(2)(b) applications, how many in the last twelve months, and what happened to them. A straight answer, including the ones that were refused, tells you more than a success rate.

Start by discarding a claim you will hear often: that only a chartered accountant can represent you. That is not what the Act says, and a service that says it is overstating its own authority.

Section 515 of the Income-tax Act 2025, carrying forward Section 288 of the 1961 Act, defines an authorised representative as someone you appoint in writing, being a relative or a person regularly employed by you, an officer of a scheduled bank you have a current account or regular dealings with, a legal practitioner entitled to practise in any civil court in India, an accountant, a person who already qualified under Section 288(2)(vii), or anyone else prescribed. Several classes, not one.

What is genuinely restricted is signing, not appearing. Only a CA on the ICAI register can sign Form 146 (formerly Form 15CB) for a remittance certificate.

The practical risk is not the register. It is scope. A platform can file your return on the portal and then decline to reply when the return is questioned, which leaves you finding someone new mid-proceeding.

Ask: who is the named person on my file, what is their ICAI membership number, and will that same person handle a Section 148 or Section 142(1) notice arising from this filing, or does that need a fresh engagement? Get the answer in writing.

One more thing worth knowing, because it is sometimes sold as a feature: what you tell your CA is not privileged. The professional-communication privilege in Section 132 of the Bharatiya Sakshya Adhiniyam 2023 runs to advocates. It does not cover chartered accountants.

A generic 'we file ITR' service can complete the standard ITR-2 schedules and submit on the portal. The substantive work is different: identifying the right article, applying the treaty rate, completing the DTAA rows in Schedule OS or Schedule CG and carrying them into Schedule SI with the country code and article, then defending the position if a Section 143(1)(a) intimation disputes it.

A quick way to hear whether someone does this work: if they mention Schedule TR or Form 44 (formerly Form 67) for your treaty claim on Indian interest, they have reached for the resident foreign-tax-credit machinery by reflex. Those belong to a resident claiming credit for tax paid outside India, not to a non-resident claiming a treaty rate on Indian income.

The test: ask one country-specific treaty question before signing up. The question should be specific enough that a generic service will fumble.

For Singapore NRIs: 'Are my pre-April-2017 Indian equity holdings grandfathered under the Third Protocol?' Correct answer: Yes, pre-April-2017 equity is taxable only in Singapore (which does not tax capital gains). Post-April-2017 equity is taxed in India under Section 112A / Section 111A.

For UK NRIs: 'Does Article 12 cap interest at 15%, and did the 2013 protocol change it?' Correct answer: yes to the cap, no to the change. The protocol replaced Article 11, which is dividends, and left interest untouched.

For UAE NRIs: 'What is the Article 11 cap on interest and which article covers dividends?' Correct answer: Article 11 caps interest at 12.5%; Article 10 caps dividends at 10%.

For US NRIs: 'How does the Article 1(3) saving clause affect a US-citizen Indian-resident's claim of treaty benefits on US-source income?' Correct answer: The saving clause preserves US taxation rights on US citizens regardless of their Indian residency; the treaty does not exempt US-source income from US tax for US citizens.

A service that fumbles the question is the service that will file your return at the Section 195 default.

The TRC application is country-specific and procedurally distinct from Indian tax work. A good service walks the NRI through the country-of-residence portal, FTA EmaraTax for UAE, IRS Form 8802 for US, HMRC Government Gateway for UK, IRAS myTax for Singapore, CRA NR73 for Canada. A bad service expects the NRI to figure it out, then files Form 10F whenever the NRI eventually gets the TRC.

The handover matters because the TRC timing affects the recovery math. UAE TRCs take 3-10 working days at AED 800 (FTA Cabinet Decision 7/2023). US Form 6166 takes 6-12 weeks at $85. UK HMRC certificates take 6-8 weeks at zero cost. Singapore IRAS certificates take 1-2 weeks at zero cost.

The Form 10F (Form 41 from 1 April 2026 under the Income-tax Act 2025) is filed on incometax.gov.in once the TRC is in hand. The TIN on Form 10F must match the TRC character-for-character, TRN from FTA, SSN from IRS, UTR from HMRC, FIN from IRAS. A mismatch triggers Section 143(1)(a) rejection.

Ask: do you provide a country-specific TRC application walkthrough? Can I see the guide before paying? Do you file Form 10F / Form 41 as part of the engagement, or is that an additional fee?

Section 148 reassessment notices land disproportionately on NRIs who claim past-year refunds under Section 119(2)(b). The Income Tax Department's reopening engine flags large refunds where the original AY was not filed and the recovery petition came later. The notice typically issues 12-24 months after the refund is credited.

The Finance (No. 2) Act 2024 cut the Section 148 reopening window to 3 years for escaped income under ₹50 lakh and 5 years for amounts above. Section 148A requires a show-cause notice, an assessee response, and a speaking order before the actual Section 148 notice issues. Section 151A requires all 148 notices to go through the National Faceless Assessment Centre (NFAC). The Telangana High Court and the Supreme Court (July 2025 SLP dismissal) have struck down direct JAO issuance.

A service that filed the original Section 119(2)(b) petition but declines to represent on the resulting Section 148 notice leaves the NRI exposed to the reassessment without representation. The NRI must then engage a separate CA at additional cost during a contested proceeding.

Confirm before signing up: do you represent on Section 148 notices, Section 142(1) information notices, and Section 143(2) scrutiny notices arising from any filing you made? Is the representation included in the original fee or charged separately? What is the typical cost of Section 148 representation?

Reputable services include Section 148 representation in the original engagement letter as a backstop. The economics work because the substantive risk of a 148 notice on a properly-documented filing is low, but where the notice issues, the backstop is the difference between a defended position and an abandoned recovery.

Twelve questions to ask any NRI tax service before you engage. Answers should be specific, not deflective.

1. What exactly does the fee include, and what is billed on top?

2. If you quote a share of my refund, who signs the work and how does that sit with Clause (10) of the First Schedule to the Chartered Accountants Act?

3. How many countries do you actively work on? Can you state my country's interest and dividend article numbers and caps without looking them up?

4. Do you file Section 119(2)(b) applications? How many in the last twelve months, and what happened to them?

5. Who is the named person on my file, and what is their ICAI membership number?

6. Will that same person handle a notice arising from this filing, or is that a fresh engagement?

7. A test question on my own treaty, with an answer I have checked independently first.

8. Do you give me a country-specific TRC walkthrough, and can I see it before paying?

9. Is Form 41 (formerly Form 10F) included, or extra?

10. Where in the return will the treaty rate appear? A specialist will name the DTAA rows in Schedule OS or CG and Schedule SI. Schedule TR is the wrong answer.

11. What is the realistic end-to-end timeline, and what does it depend on?

12. What will I receive at the end: engagement letter, the return with its acknowledgement number, the Form 41 acknowledgement, any Section 119(2)(b) application with its acknowledgement, and the refund order.

Book a free 30-minute CA appointment at /schedule if you want to pressure-test these answers against a real file. No obligation.