Holding an account and making a filing are different thresholds, and the identifier tends to be required at the point where tax is deducted or a return is filed rather than at the point the account is opened. The practical question is usually not whether you are obliged to have one, but what happens without it: deduction takes place anyway, and the amount deducted cannot be matched to you when you eventually file. Money withheld that cannot be traced is money you have paid and cannot recover. That is why obtaining the identifier is the first step in most non-resident files.
PAN — meaning in cross-border tax
PAN: the meaning, where it applies, and the filing it changes.
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India's permanent account number — the identifier every Indian filing, refund and treaty claim depends on, and the first bottleneck in an NRI file.
Why anyone asks
India collects before it computes. Terms in this area describe a deduction taken at source ahead of any exemption, which makes the Indian filing a reconciliation and a recovery rather than a payment.

What one system calls it and the other does not
The practical test is whether a position taken under one definition can be explained to the other authority without contradiction. Where it cannot, the mismatch is real and is dealt with before filing rather than after a query arrives.
Where it shows up in practice
The term is abstract until it is attached to a filing. These are the filings it attaches to.
What to do next
If this term has turned up in a letter, a slip or an adviser's email and you are not sure which side of it you are on, that is a short call to the helpline rather than a research project. Bring last year's returns and we will tell you what is missing.
One thing worth carrying away from any definition on this site: the term describes a category, and an authority assesses a file. Getting the category right is necessary and is not the same as having the file in order.
Read and approved for the 2025 and 2026 filing seasons by Udit Gupta, International Tax, Cross-Border Tax & Transfer Pricing Expert, Legal Quotient Consultants. This is general information rather than advice about your file — a short call is the way to get the second.
International tax accountant, in practice
The search that brings most people to this page is international tax accountant. It is answered here for PAN: what creates the obligation, which filings discharge it, and the fee agreed before the work starts.
Cross-border situations we are engaged for
A first identifier obtained before an inherited property sale
The client had inherited a flat and had never filed in India, so no identifier existed. The buyer's solicitor raised the point shortly before completion, when the withholding obligation became real. The work was mostly sequencing: an application supported by identity and address documents acceptable from abroad, then attestation, then confirming to the buyer what to withhold against once it issued. The engagement produced the identifier ahead of completion, a deduction correctly reported against it, and a route to recover, through the return, the excess withheld over the tax actually due.
Correcting a name mismatch that blocked every credit claim
The name on the identifier, the name on the bank records and the name on the deduction certificates were three variants of the same person, differing in initials and in the order of the surname. Nothing reconciled, and each payer's report landed slightly adrift. We established which version the identifier carried, had the others corrected at source, and re-ran the reconciliation. The engagement produced a consistent set of records across payers, credits visible against the identifier, and a filing that no longer needed a covering explanation of who the taxpayer is.
Tracing deducted tax reported against the wrong identifier
Tax had plainly been withheld, since the client held the certificates, but none of it appeared in the record held against her identifier. We compared the certificates with what the payers had actually filed and found the deductions reported against a number belonging to someone with a similar name. The work was correspondence: establishing the error with each payer, having their returns revised, and confirming the credits had moved. The engagement produced credits visible against the right person and a return that could finally be filed claiming them.
Two identifiers issued years apart to the same person
An application made from abroad had gone through without anyone realising an identifier already existed from a first job in India decades earlier. Deductions had since been reported against both, so neither record was complete. We established which was the original, gathered the history reported against each, and went through the surrender process for the duplicate while making sure the credits attached to it were not lost. The engagement produced a single live identifier carrying the whole record, and returns for the open years claiming credits that had previously been split.
Updating an address so a refund could actually arrive
Refunds for two years had been issued and returned undelivered. The identifier still carried an address the client had left long before emigrating, and every notice had gone there as well, including one that required a response. We updated the registered details, established what correspondence had been missed, and dealt with the outstanding item before pursuing the refunds afresh. The engagement produced current registered details, a response to the notice nobody had seen, and both refunds reissued to an account the client can reach.
Establishing identity before a treaty relief claim could proceed
An overseas payer was willing to apply the treaty rate but needed something to report the deduction against, and the client had nothing. We set out what the payer required, obtained the identifier and the residence documentation the claim depends on, and confirmed the sequence with the payer before the first payment was released. The engagement produced relief applied at source from the first payment rather than recovered afterwards, which is the difference between a rate being operated correctly and a refund claim that has to be pursued.
Residency Changed Mid-Year and Both Returns Assumed a Full One
A move part-way through a year produces two part-year positions, not two full ones. The engagement establishes the date residence actually changed, allocates income either side of it, and amends whichever return was filed on the wrong footing.
Read how this one runsA Relief That Turned on Days Nobody Had Recorded
Treaty exemption, residence and social security are each decided by a count that has to be evidenced rather than recalled. The engagement builds the record from tickets, rosters and payroll before applying any article.
Read how this one runsAll case studies — every published engagement in one place.
Core International & Cross-Border Tax Services
Strategy and compliance for income, assets and families spread across borders.
Industries & Client Types We Serve Worldwide
- Foreign VAT / GST / sales tax registrations
- Marketplace withholding reviews
- Inventory nexus & PE analysis
- Multi-currency books reconciled
- Cross-border revenue sourcing & withholding
- IP structuring with real substance
- Equity for cross-border teams
- U.S. expansion: entity & PE setup
- Reg 105 / 102 waivers
- Permanent establishment risk
- Partner mobility planning
- Cross-border withholding recovery
- Section 216 rental returns
- FIRPTA withholding recovery
- Section 116 clearance
- Treaty credit optimization
- Transfer pricing documentation (s.247)
- Customs value vs transfer price
- Foreign affiliate reporting (T1134)
- Country-by-country reporting
- Reg 105 & U.S. CWA agreements
- Multi-state & country calendars
- Touring income allocation
- Royalty & image-rights withholding
Working from anywhere doesn't mean taxed nowhere: residency defaults, employer payroll exposure and treaty relief decide where income actually lands.
Working from another country does not by itself end tax residence in the one you left, and it can start one where you are sitting. Day counts, ties, the employer's own exposure and the treaty tie-breaker all point at the same question, and the year you move is the year it has to be answered on paper.
- Residency analysis before moving
- Employer payroll exposure
- Totalization & social security
- Foreign tax credits
- Treaty access & PPT reviews
- FAPI & surplus computations
- Withholding-efficient routing
- Governance & substance
Asked next about PAN
A treaty claim has to be made by an identified person, and in the Indian system the identifier is how the claim, the deduction and the eventual return are connected to one another. A payer asked to withhold at a treaty rate needs to report the deduction against somebody. Without the identifier it is reported against nobody useful, and the relief you were entitled to becomes an amount you cannot demonstrate was ever paid on your behalf. Settle the identifier before the payment is made; retrofitting it once the deduction has been reported is slower and sometimes impossible.
A filing needs the identifier, but the identifier already exists, so you are recovering a number rather than applying for a new one. That distinction matters, because applying again creates a second identifier, and two identifiers for one person cause more trouble than having none: deductions split between them, credits appear against the one you are not using, and the duplication has to be surrendered before anything reconciles. Recover the original from records held in India, from an old return, or through the issuing authority. Only if that genuinely fails is any other route worth discussing.
The identifier does not change. It attaches to the person, not to their residence status, and it survives emigration, a change of name and a change of address. What does change is everything that hangs off it: which return applies, which rate a payer should be operating, and where correspondence and refunds are sent. The failure we see most often is an identifier still carrying an Indian address the person left years ago, so notices and refunds are issued to somewhere nobody reads. Update the details rather than the identifier.
Almost always because the deduction has not landed against your identifier in the way the return assumes. The payer may have reported it under a slightly different spelling of your name, against the wrong period, or against no identifier at all. From your side it looks as though tax was plainly paid; from the system's side there is no credit to release. The fix is reconciliation rather than argument: obtain the record of what has been reported against your identifier, compare it line by line with your own certificates, and pursue the payer to correct the entries that do not match.
In practice, yes, and the sale is where the consequences are sharpest. The buyer is required to withhold from the price and to report that withholding against the seller. Withholding on a property sale is applied to the sale price rather than to the gain, so the amount taken routinely exceeds the tax actually due, and the difference comes back only through a return. Without an identifier the deduction cannot be tied to you, the return cannot claim it, and a substantial sum sits with the authorities. Deal with it well before completion, not afterwards.
A remittance is a transfer of money, not a category of income, and moving your own funds between your own accounts is not what creates tax. What can create tax is the income behind the money and the rules of the country it leaves. India, for instance, collects tax at source when a resident individual remits abroad under the Liberalised Remittance Scheme, and requires certification before certain payments leave. The transfer is the trigger for paperwork rather than for tax. See the LRS and tax collected at source.
No — and if you came here to calculate FTP, this is not it. Fund transfer pricing is a bank's internal allocation of funding costs and benefits between its own business units, a treasury and asset-liability management discipline used to measure branch or product profitability. Tax transfer pricing is about prices between legally separate related parties across borders, and about which country taxes the resulting profit. The words overlap; the fields do not. See our transfer pricing work.



