Cross-border tax terms — N
15 terms beginning with N, each defined at mechanism level.
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Each entry answers two questions — what the term picks out, and what changes once it applies. Neither answer needs a number, and a number in a definition tends to outlive its accuracy.
Cross-border vocabulary is mostly a record of disagreement. Two countries look at one arrangement and classify it differently, and the gap between the classifications is where the double tax, or the unintended relief, actually lives. Each page below follows the same shape — definition, consequence, and the specific returns or elections the term reaches.
Most people arrive at a term like this because something arrived in the post. If that is you, the fastest route is to describe the document rather than research the concept. Every page here carries the name of the person who reviewed it and the date they did.
- Non-resident alien — A US tax classification for someone who is neither a citizen nor a resident under the green-card or presence tests.
- NRI — Non-resident Indian: an individual who is not resident in India under its day-count tests.
- Newcomer — Someone who has become resident during the year.
- Non-discrimination article — A treaty article preventing a country from taxing nationals or enterprises of the other state more heavily than its own in comparable circumstances.
- NR4 — The Canadian slip reporting amounts paid to non-residents and the tax withheld.
- NR6 — The undertaking that lets a non-resident landlord have Canadian withholding computed on net rent instead of gross, filed before the year begins.
- NR7-R — The Canadian application to refund non-resident withholding tax collected above the treaty or statutory rate.
- Nexus — The connection that gives a sub-national authority the right to tax — employees, inventory or economic activity.
- Non-resident trust — A trust outside the country that can nonetheless be deemed resident because a resident contributed to it or benefits from it.
- Non-willfulness certification — The signed narrative that is the substance of a streamlined submission.
- Notice of objection — The formal Canadian dispute of an assessment.
- Net worth assessment — An assessment that reconstructs income from the change in a taxpayer's assets, so every unexplained deposit is income until it is explained.
- NRE account — A rupee account for non-residents funded from abroad, with its own treatment of interest and its own repatriation rules.
- NRO account — A rupee account for a non-resident's Indian-source income, whose interest is generally taxable in India with deduction at source.
- Non-resident — A person outside a country's residence rules, taxable there only on income arising in that country — usually collected by withholding rather than by assessment.
What the N entries have in common
15 terms begin with N. What the entry under this letter turns on is set out on its own page, together with the returns it reaches and what we charge to handle them. Three to start with: Non-resident alien, NRI and Newcomer.
Nearby letters
M — 7 terms · O — 4 terms. The full A–Z lists all 297 terms in one place.
Back to the full glossary · Cross-border tax answers · Side-by-side comparisons
What these engagements turn on
Three Countries in One File and Two Treaties That Disagree
Income sourced in one country, paid to a resident of a second, held through an entity in a third: three bilateral treaties, no three-way rule. The analysis works out which pair governs each flow, and whether the middle entity is entitled to anything at all.
Read how this one runsAn Adjustment in One Country and No Relief in the Other
A pricing adjustment taxes the same profit twice unless the other country makes a corresponding one. The mutual agreement route is what produces that relief, and it is opened on a timetable set by the treaty rather than by either revenue authority.
Read how this one runsThe Same Income Taxed Twice on Paper
Relief usually exists and is lost to sequence: one country taxes at source and the other credits it, and preparing them in the wrong order claims a credit against a figure nobody has computed.
Read how this one runsA Student or Researcher Covered by a Treaty Article
Several treaties carry a dedicated article for students, trainees and visiting researchers that displaces the ordinary employment rules. Whether it applies turns on the purpose of the stay and the source of the funds, both of which are evidenced rather than asserted.
Read how this one runsResidency 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 runsPaying a Dividend Up to a Foreign Parent
The withholding rate depends on the treaty, on the size of the holding, and on whether the parent is the beneficial owner rather than a conduit. Establishing all three before the payment is what secures the lower rate at source.
Read how this one runsTrips That Added Up to a Filing Obligation
Short visits are tracked against a treaty threshold that is measured over a moving window rather than a calendar year. Where the threshold is passed, the obligation reaches back over the whole period.
Read how this one runsInformation Returns Missed Behind a Correct Return
The heaviest exposure on a cross-border file is often a disclosure form rather than the tax. Where the return itself was right, the procedures for late information returns turn on a reasonable-cause narrative with dates and documents behind it.
Read how this one runsAll case studies — every published engagement in one place.
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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.
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