U.S. immigration status and U.S. tax residency are often assumed to be the same, however they operate under separate rules. An individual may not be considered a U.S. resident for immigration purposes but could still be treated as a U.S. tax resident.

The United States applies a worldwide taxation system, meaning individuals classified as “U.S. persons” for tax purposes may be subject to U.S. tax on their global income, regardless of where the income arises. This can include overseas employment income, foreign rental income, dividends from non-U.S. companies, and capital gains realised outside the United States.

Tests for U.S. Tax Residency

U.S. tax residency is generally determined under one of the following tests:

• Citizenship – U.S. citizens are taxed on worldwide income regardless of where they live.
• Green Card Test – Individuals who hold lawful permanent resident status are typically treated as U.S. tax residents.
• Substantial Presence Test – Tax residency may arise where an individual spends sufficient days in the U.S. over a rolling three-year period.

Exceptions and Timing Considerations

Certain visa holders, including individuals temporarily present under F-1, M-1, Q, or J-1 visas, may be able to exclude days from the substantial presence calculation for a limited period. Medical circumstances may also affect how days of presence are counted.

The timing of entry into the U.S. can impact whether worldwide income or gains fall within scope of U.S. taxation in a particular year.

Practical Takeaway

Immigration status does not automatically determine U.S. tax residency. Individuals with U.S. connections should consider the residency tests and timing implications carefully to avoid unexpected tax exposure and ensure compliance with reporting obligations.

Non-U.S. individuals who invest in, work in, or transfer assets into or out of the United States face a complex tax landscape. The U.S. tax system distinguishes sharply between U.S. persons and non-resident aliens (NRAs), and understanding these distinctions is essential for effective planning. As the source document notes, “Persons who are neither U.S. citizens nor U.S. residents are subject to U.S. taxes” only in specific circumstances.

Income Tax Exposure

NRAs are taxed only on certain categories of U.S.-source income:

• Fixed or determinable annual or periodical income,such as dividends from U.S. corporations, passive rents, royalties, and some service payments. These are generally taxed at a flat 30% rate.
• Effectively connected income (ECI)from a U.S. trade or business, including wages for services performed in the U.S. and income from actively managed rental properties. ECI is taxed at graduated rates like U.S. taxpayers.

Special rules apply to real estate. Under FIRPTA, gains from the sale of U.S. real property interests are treated as ECI, and buyers must withhold 15% of the purchase price.

Estate Tax Exposure

NRAs face U.S. estate tax only on U.S.-situs assets, and the exemption is dramatically lower than for U.S. citizens just $60,000. The article explains that U.S.-situs property includes real estate, tangible personal property located in the U.S., shares of U.S. corporations, and certain debt obligations. Bank deposits with U.S. banks, however, are excluded.

Estate tax treaties with countries such as France, Germany, the U.K., and Japan may provide relief, including increased exemptions or marital deductions.

Gift Tax Rules

NRAs are subject to U.S. gift tax only on gifts of U.S.-situs real estate and tangible personal property located in the U.S. Gifts of intangible property such as shares of U.S. corporations are not subject to gift tax. However, gifts of cash made within the United States may be taxable, so cross-border planning is essential.

U.S. recipients of gifts from foreign individuals must report gifts exceeding $100,000 on Form 3520. As the document notes, “the penalty for failure to report the gifts is severe,” potentially reaching 25% of the gift’s value.

Generation-Skipping Transfer Tax

GST tax applies to NRAs only when the transfer is already subject to U.S. estate or gift tax meaning it applies only to U.S.-situs property.

The Role of Treaties

Tax treaties can significantly alter outcomes by reducing withholding rates, redefining situs rules, or increasing estate tax exemptions. However, the U.S. does not enter treaties that exempt U.S. citizens from worldwide taxation.

Conclusion

For non-U.S. individuals, U.S. tax exposure depends heavily on the type and location of assets, the nature of income, and the presence of applicable treaties. Because the rules differ sharply from those applied to U.S. citizens and residents, proactive planning is essential to avoid unexpected tax liabilities and reporting penalties.

On 26 March 2026, the IRS released its latest Tax Time Guide (IR-2026-41), encouraging taxpayers who have not yet filed or paid their taxes to take early action. The guidance highlights practical steps individuals can take to reduce penalties and interest, avoid delays, and resolve outstanding tax issues more efficiently.

Key Guidance for Taxpayers

The IRS emphasises the importance of filing tax returns as soon as possible, even where full payment cannot be made. Filing promptly can reduce failure-to-file penalties and enables taxpayers to access payment arrangements.

Taxpayers are also reminded to ensure returns are accurate by reporting all income and correctly claiming deductions, including those on Schedule 1-A, supported by appropriate records.

Electronic filing is recommended as the fastest and most reliable method, helping to avoid delays associated with postal submissions and postmark timing issues. Where tax is owed, making partial payments can help limit the accrual of penalties and interest.

Payment Options and Compliance

For those unable to pay in full, the IRS highlights the availability of instalment agreements, which can be set up online. Taxpayers are also encouraged to respond promptly to any IRS notices, as delays may lead to additional penalties or prolonged resolution.

The IRS continues to promote the use of its online tools, including the Individual Online Account, “Where’s My Refund?”, Direct Pay, and the Document Upload Tool, to help taxpayers manage their obligations efficiently.

Practical Takeaways

Taxpayers should take early, proactive steps to manage their tax position. Filing on time, making payments where possible, and engaging promptly with IRS communications can significantly reduce penalties and improve resolution outcomes.

• The UK can be attractive for expatriates because it offers favourable treatment for foreign income, particularly under the former non-domicile regime and the newer Foreign Income & Gains (FIG) rules introduced in April 2025. For a limited period, expats may avoid UK tax on overseas income and gains (or indefinitely under older remittance rules if funds stay offshore, outside the UK). This creates flexibility to manage investments and cash flow efficiently.
• The Additional advantages include no general wealth tax, a broad network of double tax treaties, and opportunities to control when foreign income becomes taxable. These features make the UK rather appealing for internationally mobile individuals creating significant planning opportunities – especially for those with significant non-UK income or assets.
• However, these benefits are time limited and complex. UK income is always fully taxable, and after a few years (typically 4 years under the FIG regime or longer under older rules). Individuals may become subject to UK tax on their worldwide income. The rules necessitate prudent tracking of offshore funds and remittances, and mistakes can be financially burdensome. For long-term residents or those regularly bringing money into the UK, the advantages decrease, meaning the UK is not a true tax haven but rather a time limited and conditional tax advantage. Tailored tax and legal advice can help individuals understand and manage the complexities of moving to the UK.

Recent unrest across the Middle East has understandably caused concern among UK expatriates and internationally mobile individuals, particularly those residing in or considering relocation to centres such as Dubai. With travel disruptions, security issues, and geopolitical tensions dominating the headlines, it is natural to question whether to postpone or alter plans for stay or movement within the region. However, while the situation is indeed complex, rash decisions can lead to unforeseen UK tax liabilities. A measured and strategic approach is typically advisable over hasty action.

Expats based in the Middle East may naturally consider returning to the UK until stability is restored. Nevertheless, the UK’s statutory residence test requires careful assessment of the tax implications prior to such moves. The test’s day count thresholds are strict and can be inadvertently surpassed, particularly as the tax year approaches its end. Even short, unplanned absences could unintentionally re-establish UK residence, potentially subjecting individuals to UK taxation on worldwide income and gains.

The temporary non-residence rules further complicate matters. Individuals who have been non-UK resident for fewer than five tax years may find that certain gains realised during their time abroad are recognised for UK tax purposes upon their return. Consequently, timing is of the essence.

It is important to note that departing the Middle East does not necessarily require returning to the UK. Depending on individual circumstances, it may be feasible to relocate temporarily to another jurisdiction while maintaining control over UK day counts, thereby avoiding unintended tax liabilities.

Long-term expatriates contemplating their future may also consider the benefits of the UK’s foreign income and gains (FIG) regime. Those who have been non-UK resident for at least ten consecutive tax years may, upon returning to the UK, benefit from a regime exempting overseas income and gains from UK tax for up to four tax years. Additionally, opportunities for inheritance tax-efficient planning relating to non-UK assets may be available. A carefully structured return to the UK can be advantageous but requires meticulous planning.

Prospective movers to the region may now be reevaluating their plans amid current uncertainties. While understandable, it is important not to let short-term upheaval undermine long-term strategic objectives. The original motivations for relocating tax considerations, lifestyle, or business factors may remain valid.

This could be a favourable moment to reassess and explore alternative destinations that better align with personal, commercial, and tax goals. Comparing different jurisdictions’ tax regimes, lifestyle benefits, and stability can ensure that any move proceeds based on a sound strategy rather than reactive choices.

The consistent message for all individuals is to avoid impulsive decisions. Geopolitical developments can evolve swiftly, but tax residence rules and long-term financial arrangements tend to be more stable. Taking the time to review options thoroughly, model potential outcomes, and consult with qualified professionals is essential to making informed choices helping to differentiate a prudent adjustment from a costly mistake.

In uncertain times, calm and calculated planning remain the most effective means of safeguarding both personal security and long-term financial health.

Returning expats often face a property market and regulatory landscape that has changed significantly. Early planning particularly around tax, funding, and documentation can make the process far smoother.

Tax Residency and SDLT

Your tax residency on completion directly affects Stamp Duty Land Tax, including whether the 2% non resident surcharge applies. The Statutory Residence Test looks at your UK days, ties such as accommodation or work, and how long you have lived abroad. Those away for fewer than five years may also be caught by temporary non residence rules, triggering unexpected tax charges. Because timing can influence both SDLT and future capital gains exposure, early advice is essential.

Leasehold, Freehold and New Builds

Leasehold reform, service charge scrutiny, and new build protections mean buyers must understand their obligations. A detailed report on title is vital especially when purchasing remotely to clarify ground rents, service charges, and any upcoming major works or construction deadlines.

Practical Challenges When Abroad

Starting the process overseas is possible but can be slower. ID checks, documents requiring wet ink signatures, postage delays, and time zone gaps can all affect progress. Some digital tools help, but not all documents can be signed electronically, so additional time should be built in.

Estate Planning

A UK property purchase is a natural moment to review your will. Ensuring it is valid in England and Wales, and compatible with overseas assets and taxes, helps prevent complications later.

Why Early Tax Advice Helps

Engaging a tax adviser early allows you to structure the purchase efficiently, prepare the necessary documents, and navigate the UK system confidently even from overseas. With the right support, returning to the UK and buying a home can be seamless.

Following the Chancellor’s Spring Statement delivered on 3 March 2026, please see below a brief overview, a more detailed overview is available
in our full Spring Statement report which can be found HERE.

As expected, the Spring Statement did not introduce major tax changes, as the government intends the main fiscal announcements to be made
during the Autumn Budget. The statement primarily focused on providing an update on the UK economy and public finances.

One notable change relates to Individual Savings Accounts (ISAs). From 6 April 2027, the amount that can be held in a cash ISA each year will be
limited to £12,000, with the remaining £8,000 of the £20,000 annual ISA allowance intended for stocks and shares investments. This restriction
will not apply to individuals aged 65 or over, who will still be able to place the full £20,000 into cash ISAs if they wish.

Aside from this, the statement largely confirmed existing measures rather than introducing new ones. Key points include:

• Income tax thresholds and the personal allowance remain frozen until April 2031.
• Corporation tax rates remain unchanged (up to 25% for larger companies).
• Various economic forecasts suggest modest growth and falling borrowing over the coming years.

If you would like to discuss how any of these changes may affect you, please feel free to contact us.

The IRS enforces tax compliance through a combination of automated systems and audits, ranging from correspondence reviews to extensive, in-person examinations. Automated checks compare tax returns against prior filings and third-party data, while more complex audits typically involve large corporations, partnerships, and high-net-worth individuals and may span multiple years. Under IRC §6501, the IRS generally has three years to assess additional tax, extended to six years where more than 25% of gross income is omitted, and with no limitation in cases of fraud or failure to file. Taxpayers must retain adequate records to substantiate their returns, and in cross-border matters the IRS may seek extensive international documentation, often using treaty-based information exchanges.

If taxpayers fail to cooperate, the IRS has broad powers, including issuing administrative summonses, disallowing unsupported deductions, and, in certain large corporate audits, suspending the assessment period through designated summonses. Once tax is assessed, the IRS typically has ten years to collect, with enforcement escalating from notices to liens, levies, and, in extreme cases, asset seizures. Relief options remain available, such as instalment agreements or offers in compromise. Civil penalties are significant, with accuracy-related penalties commonly set at 20% of the underpayment, rising to 40% in certain transfer pricing cases, and some penalties applying on a strict liability basis. Serious misconduct may also trigger criminal prosecution, with potential fines and imprisonment.

Recent years have seen heightened enforcement activity, particularly focused on high-income individuals and large corporations. In 2024, the IRS reported recovering over US$1.3 billion from high-net-worth taxpayers, while field examinations recommended more than US$22 billion in additional tax, much of which remains under dispute. The Criminal Investigation Division identified over US$2.1 billion in tax fraud and achieved a conviction rate of approximately 90% on cases referred for prosecution, underscoring the continued intensity of IRS enforcement despite prior staffing challenges.

The One Big Beautiful Bill Act introduces “Trump Accounts”, a new type of individual retirement account designed for children. From 2026, an authorised person such as a parent or guardian may elect to open an account for a child who is a US citizen, has a Social Security number, and will be under 18 by the end of the relevant calendar year. The election will be made using Form 4547, expected to be available for 2026 tax filings, after which the Treasury Department will establish the account. Contributions may begin on 4 July 2026. Although final regulations are pending, IRS Notice 2025-68 outlines the framework, and further guidance is expected via trumpaccounts.gov once active.

Each Trump Account has a defined “growth period” running until the end of the year before the child turns 18, during which strict rules apply. Investments are limited to low-fee, non-leveraged US index funds, annual contributions are capped at $5,000 per child, and no distributions or tax deductions are permitted. Contributions may come from several sources, including a one-off $1,000 federal deposit for children born between 2025 and 2028, personal after-tax contributions, limited employer contributions, government or charitable Qualified General Contributions, and permitted rollovers. Once the growth period ends, the special restrictions fall away, and the account is generally treated as a traditional IRA under existing tax rules

The One Big Beautiful Bill Act, enacted on 4 July 2025, removes uncertainty around the U.S. federal transfer tax exemption by permanently increasing the estate and gift tax exemption to $15 million per individual from 1 January 2026, with inflation adjustments beginning in 2027. Portability of unused estate and gift tax exemption between spouses will continue, although GST exemption portability remains unavailable, despite the GST exemption also increasing to $15 million. The maximum marginal tax rate for estate, gift and GST taxes remains at 40 per cent, and the annual gift tax exclusion for 2026 will remain $19,000 per recipient, or $38,000 for married couples.

From 2026, new charitable deduction rules will apply. Non-itemising taxpayers may claim an additional deduction of up to $1,000 for direct charitable gifts, or $2,000 for joint filers, alongside the standard deduction ($16,100 for single filers and $32,200 for joint filers), excluding donations to donor-advised funds or similar vehicles. For itemising taxpayers, charitable deductions will only be available to the extent they exceed 0.5 per cent of adjusted gross income, and taxpayers in the highest income bracket will have their deduction benefit capped at an effective rate of 35 per cent. In addition, New York’s estate tax exemption will increase to $7,350,000 from 1 January 2026, with estates exceeding 105 per cent of this threshold losing the exemption entirely and being taxed on their full value; portability of unused exemption between spouses remains unavailable.