Cross-border tax terms — J
2 terms beginning with J, each defined at mechanism level.
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What each entry gives you is the mechanism: the condition that triggers the term, and the consequence that follows. Amounts and rates belong on the filing pages, where they carry a tax year and a source.
A surprising share of cross-border trouble is translation rather than arithmetic. The same payment is employment income on one side and something else on the other, and nobody notices until two authorities have both assessed it. Each term page therefore says what the word means, why it bites, and which of our pages it actually changes.
Recognising a term like this in your own paperwork is the useful skill. Working out which side of it you fall on is a short call. Every page here carries the name of the person who reviewed it and the date they did.
- Juridical double taxation — The same person taxed on the same income by two states.
- Joint partner trust — A trust deferring the deemed disposition until the death of the surviving spouse, with the same cross-border caution as an alter ego trust.
Only one term begins with this letter. Its own page carries the full treatment; use the A–Z above for anything else.
Juridical double taxation and joint partner trust
The same person taxed on the same income by two states. This is what treaties are designed to relieve. Follow the entry itself for the mechanism, the filings it decides, and the fixed fee attached to that work.
Joint partner trust is the other entry under J. A trust deferring the deemed disposition until the death of the surviving spouse, with the same cross-border caution as an alter ego trust.
Nearby letters
I — 4 terms · L — 5 terms. The full A–Z lists all 297 terms in one place.
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What these engagements turn on
Same salary assessed by two states after a mid year move
An individual moved country partway through a year and both authorities assessed the whole of that year's employment income. Neither assessment was wrong on its own terms. The work consisted of fixing the date residence changed on each side, splitting the employment income by where the duties were performed, and establishing which state held the primary right over each part. The engagement produced amended filings in both countries, a credit claimed in the state that had to give way, and a written note of the residence dates and the evidence behind them for the client to keep.
Joint partner trust reviewed before funding where one spouse held foreign status
A couple intended to settle a joint partner trust and one of them retained a continuing connection to another country. The question was not whether the deferral worked at home but what the second country would make of the trust once assets sat inside it. The work consisted of reading the draft deed against the conditions the deferral depends on, then setting out separately how the other system was likely to characterise the same arrangement. The engagement produced a written opinion on both, a list of the filings the trust would generate abroad, and settlors deciding with that in front of them.
Pension taxed at source and assessed again where the client now lives
A retired client received a pension from a former country of employment, taxed there before payment, and was assessed on it again in the country of residence. The work consisted of establishing which treaty article governed that pension, whether the source state was entitled to keep anything, and what evidence of the foreign tax the residence state would accept. The engagement produced a credit claim supported by payment records rather than payslips, a correction to the prior year filed on the same basis, and a standing note of how each future year's pension should be reported.
Trust treated as transparent by a foreign authority
A trust already in place and working as intended under one system was treated by another as though the property belonged to the individuals directly. The two views could not both be reported on. The work consisted of documenting how each authority characterised the trust, identifying the filings each characterisation required, and establishing whether tax paid under one view could be credited against tax charged under the other. The engagement produced a consistent filing position in both countries, the reporting the foreign authority expected, and a written record of why the position was taken.
Dividend withheld abroad and taxed again where the shareholder lives
Withholding was deducted on dividends by the company's country and the same dividends went into the shareholder's return where they live. The work consisted of checking the rate actually applied against the rate the treaty permits, establishing whether any excess was recoverable from the source country or creditable in the residence country, and assembling the payment evidence each route requires. The engagement produced a reclaim filed where the deduction exceeded the treaty entitlement, a credit claimed for the remainder, and a procedure the client now follows each time a dividend is declared.
Deferred disposition falling due with trust property in two countries
The surviving spouse died and the disposition the trust had deferred fell due, with property held in more than one country. Each authority had its own trigger and its own view of value. The work consisted of establishing what was brought into charge under each system and on what date, checking whether the charges arose on the same event and the same property, and setting out whether relief for one was available against the other. The engagement produced filed returns on both sides, a valuation file supporting each entry, and a relief claim made within the time the treaty allows.
Treaty Relief Claimed on a Cross-Border Estate
The estate article can extend a proportionate credit where the two systems would otherwise both tax the same asset. Claiming it requires a valuation and a disclosure the estate may not expect to make.
Read how this one runsWithheld at the Statutory Rate When a Treaty Rate Applied
Where withholding has already gone out at the full domestic rate, the treaty rate is recovered rather than applied. The file establishes entitlement for each payment, then puts the documentation in place so the following year runs at the correct rate from the start.
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
Firms and partners working across borders meet Regulation 105 withholding, PE risk on long engagements and per-country payroll for travelling staff.
A partnership is taxed in the hands of its partners, so one engagement abroad can reach every partner's personal return. The order matters: the waiver is applied for before the invoice, the presence is tracked before it becomes an establishment, and the payroll is registered before the first day worked in the other country.
- 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
- 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



