US-India DTAA Guide
If you're a US tax resident or citizen with India-source income, DTAA relief is a two-sided process. India needs proof you're a US tax resident before it will apply a reduced rate. The US, separately, needs you to correctly claim credit for tax you already paid in India. Miss either side and you can end up genuinely paying more than the treaty intends.
This guide explains how the rules generally work and is not tax, legal, or investment advice. Rates, thresholds, and form numbers change with each Union Budget and Finance Act, and your own situation (which country you live in, your visa or citizenship status, how the asset was funded) can change the answer. Confirm your specific case with a chartered accountant or tax advisor before you file anything or move money. US treaty article rates and IRS fees below are current as of when this page was checked. Confirm exact figures against irs.gov before relying on them for a filing.
Getting your US residency certified for India: Form 8802 and Form 6166
To claim DTAA benefits in India, India wants a Tax Residency Certificate proving you're a US tax resident. For a US person, that certificate is Form 6166, issued by the IRS. You get it by filing Form 8802, the application.
- Current IRS user fee: $85 per application for an individual, $185 for a non-individual applicant.
- The IRS recommends applying at least 45 days before you need the certificate, but real processing time can run longer during busy periods. Check the IRS's live processing-status page for the current queue before assuming a fixed turnaround.
- You can't apply earlier than December 1 of the year before the certificate year you need.
W-8BEN is a different form, for a different purpose
This gets confused constantly. A W-8BEN is something you give to a US withholding agent, like a US bank or brokerage, to certify your foreign status for US-source income paid to you. It has no role in claiming a DTAA rate on your India-source income in India. That claim runs entirely through India's own process: a Tax Residency Certificate (Form 6166, from the section above) plus India's Form 41 self-declaration. See the general DTAA guide for that side of it.
Claiming the US foreign tax credit
If you're a US citizen or resident paying Indian tax on India-source income, you can generally claim a dollar-for-dollar Foreign Tax Credit against your US tax on that same income, using Form 1116. Only income taxes qualify, not every Indian levy. Income gets bucketed into categories (passive income like dividends and interest is typically separate from general category income like wages), and the credit is limited within each category rather than as one blanket pool.
One detail worth knowing: if you were entitled to a reduced DTAA rate in India but didn't claim it, and ended up with more Indian tax withheld than the treaty rate required, only the treaty-reduced amount is generally creditable on your US return. Over-withholding in India because the DTAA paperwork wasn't filed can mean losing part of the US credit too, which is a real, practical reason to get the India-side Form 41 claim done rather than treat it as optional.
FBAR and FATCA: two separate reporting obligations
Holding NRE or NRO accounts as a US person brings two distinct reporting requirements that often get conflated:
- FBAR (FinCEN Form 114): required if the combined value of all your foreign financial accounts exceeds $10,000 at any point during the year. Filed separately from your tax return, with an automatic extension to October 15.
- FATCA (Form 8938), filed with your tax return: thresholds are higher and vary by filing status and whether you live in the US or abroad, ranging from around $50,000 for a single filer living in the US to $600,000 for a married couple filing jointly while living abroad, at the "any time during the year" trigger level.
You may owe both, either, or neither depending on your balances, filing status, and where you live. They're not duplicates of each other, so clearing the FBAR threshold doesn't automatically mean you also cross the FATCA one, and vice versa.
Frequently asked questions
Is a W-8BEN the same as claiming DTAA benefits in India?
No, and this is one of the most common mix-ups in this whole topic. A W-8BEN goes to a US payer, like a US bank or brokerage, to certify your foreign status for US withholding purposes. It has nothing to do with claiming a treaty rate on India-source income in India. That claim goes through India's Form 41 (formerly Form 10F) and a Tax Residency Certificate, covered in the general DTAA guide.
How long does it take to get Form 6166 from the IRS?
The IRS says to apply at least 45 days before you need it, but the real queue can run longer, sometimes by a couple of months, depending on current processing volume. Check the IRS's own processing status page for the current wait rather than relying on a fixed number, and apply as early in the year as allowed, which is no earlier than December 1 of the prior year.
What is FBAR and does it apply to my NRE or NRO account?
FBAR (FinCEN Form 114) is a US reporting requirement for foreign financial accounts, required if the combined value of your foreign accounts, including NRE and NRO accounts, exceeds $10,000 at any point during the year. It has an automatic filing extension to October 15 and is separate from FATCA reporting on Form 8938, which has its own, higher thresholds.
If I pay tax in India, do I still owe US tax on the same income?
Generally you claim a Foreign Tax Credit on Form 1116 for tax already paid in India, which reduces or eliminates the US tax on that same income rather than paying in full twice. The credit is limited to what you would have owed at the DTAA-reduced rate if you were entitled to claim it and didn't, so getting the India-side DTAA claim right first (see the general DTAA guide) actually protects your US-side credit too.