NRI files don't stall on tax law. They stall on evidence — the same five documents, every season. Here's the list, why each one breaks the filing when missing, and a request email you can send the day the engagement opens.
The checklist
| # | Document | Without it | Client lead time |
|---|---|---|---|
| 1 | TRC for the correct FY | No DTAA relief — full domestic rates apply | Days (UAE) to 2–3 months (parts of Europe) |
| 2 | Form 41 e-filed (Form 10F for FY 2025-26), matching the TRC period | Treaty claim vulnerable to CPC intimation adjustment | 1–2 weeks (needs portal access; DSC if no PAN) |
| 3 | Full tradebook, all brokers, all years | Can't bucket gains or reconcile PIS TDS — and the client's foreign adviser has nothing to work from | 1–4 weeks (dormant accounts are the delay) |
| 4 | Foreign broker/bank statements, 15 months | No Schedule FA support, no Form 44 credit, no residence-side numbers | 1–2 weeks |
| 5 | Year-wise India day-count + travel evidence, 8 years | Residential status is a guess — and everything depends on it | 1–2 weeks |
Why each one, in 60 seconds
1. TRC. Section 159 of the 2025 Act (Section 90 of the 1961 Act) makes it the precondition for any treaty benefit. The two failure modes: the client sends last year's certificate for this year's income, or assumes a visa/Emirates ID proves tax residency (it doesn't — only the foreign tax authority's certificate does). Check the TRC shows status, nationality, TIN, period and address; any missing field is what Form 41 exists to fill.
2. Form 41 (Form 10F for FY 2025-26). For income from 1 April 2026 the declaration is Form 41 — Form 10F was the 1961-Act name. It must be filed electronically on the income-tax portal; a paper copy in the file no longer protects the claim. Unlike 10F, Form 41 is required in every treaty-claim case, not only when the TRC is incomplete. Non-residents without PAN can register under the dedicated category, but need a DSC. The quiet killer is period mismatch: validity must align with the TRC, and 41/TRC/PAN/bank mismatches now routinely trigger CPC intimation adjustments that strip DTAA relief. File it before the first payment where possible — after TDS has gone out at domestic rates, the client is into refund territory. (Full claiming steps are in our DTAA guide.)
3. The complete tradebook. The broker's P&L PDF is a conclusion, not evidence. Trade-level data (dates, quantities, prices, corporate actions) is the only thing that supports LTCG/STCG bucketing with grandfathering and reconciliation against the TDS the PIS bank actually deducted per sale. It's also what the client's foreign adviser will ask for if the gain is taxable where they live — that country applies its own rules to the same trades, and neither you nor they can work from an INR summary. Ask for exports from every broker back to the oldest open position, not just the current year. The dormant 2019 demat with the expired login is always the bottleneck — which is the argument for requesting in June, not September.
4. Foreign statements. Foreign brokers report calendar years; India runs April–March. One Indian FY needs fifteen months of statements (Jan of year 1 through Mar of year 2). Needed both ways: ROR clients need them for Schedule FA and Form 44 (Form 67 on a 1961-Act year), filed before the return; non-resident clients taxed abroad need India-side numbers their foreign accountant can use. Also collect withholding certificates behind any credit claim.
5. The day-count. NRI vs RNOR vs ROR, the 120-day rule above ₹15 lakh, the deemed-resident rule, Schedule FA applicability — all of it hangs on physical presence, and the lookbacks reach 7–10 years (full RNOR mechanics are in our RNOR status guide). Clients estimate; assessing officers count — and e-gates mean passports no longer carry stamps. Ask for a year-wise count for the current year + preceding 7, backed by travel history (most immigration portals and airline accounts export it).
The email to send at engagement
Copy, adapt, send on day one:
Subject: Documents needed to start your India tax filing — please begin with items 1 and 5
Hi [Name], To file accurately and claim every treaty benefit you're entitled to, we need five things. Two have long lead times, so please start them this week:
Start now:
- Tax Residency Certificate (TRC) from [country]'s tax authority, covering [FY period]. Apply via [portal/authority]. Note: a visa or ID card doesn't work — it must be the tax authority's certificate. (Lead time: up to [X] weeks.)
- Your India travel days: a year-wise count of days spent in India for each of the last 8 financial years. Your immigration portal or airline accounts can export travel history.
Then:
- Complete tradebook exports from every Indian broker you've ever used (including dormant accounts), from your earliest purchase — not just this year's P&L.
- Foreign brokerage and bank statements from Jan [Y1] to Mar [Y2] (15 months — your broker reports calendar years, India doesn't), plus any tax withholding certificates.
- Income-tax portal access (or authorisation) so we can e-file Form 41 (Form 10F if the year is still under the 1961 Act) — a mandatory declaration without which India taxes you at full domestic rates instead of treaty rates.
Each of these directly affects how much tax you pay. Items missing in September are the reason refunds arrive late. [Signature]
After the documents arrive
The second half of the work is reconciliation: multi-broker tradebooks against PIS TDS, corporate actions (bonuses, splits, demergers) unwound into correct cost bases, the treaty position per holding, and the same holdings expressed in the client's own currency at historical rates. That's manual spreadsheet work that scales linearly with every NRI client.
Where Paisaverse fits
Paisaverse automates that reconciliation. Tradebook in; capital gains statement, FX-split P&L and per-holding DTAA/TDS position out. What that gives you today is the India-side file, done — the input their overseas adviser has been asking you for, in a form that doesn't need rebuilding every year. Residence-country reporting, so the same data also comes out shaped for the client's local filing, is where we're taking it next; if that's the half of the workload you'd most like off your desk, tell us — pilot firms shape what we build first.
Handling NRI clients and want to pilot it? hello@paisaverse.com
General information for professionals, not advice on any specific matter. Verify current procedural requirements on the income-tax portal.
