Moving back to America is not simply a change of address. It can change the tax treatment, reporting burden and legal architecture surrounding nearly everything you accumulated abroad.

The foreign investment account. The pension. The company shares. The apartment. The life insurance policy. The trust created under another legal system. Even an account you do not own but can sign for.

Those assets do not become simple merely because the family comes home.

Start with the date U.S. tax residency begins

The first question is not where the moving boxes are going. It is when U.S. tax residency begins—and whether it ever ended.

U.S. citizens are generally subject to U.S. tax on worldwide income even while living abroad. A noncitizen may become a U.S. tax resident through the green card test or the substantial presence test. The arrival date, immigration status, days of presence and any applicable treaty position can therefore affect when the United States begins treating worldwide income as part of the U.S. tax base.

California adds another layer. A California resident is generally taxed on income from all sources. A part-year resident is generally taxed on worldwide income received while a resident and California-source income received while a nonresident.

This is why the review should occur before the move fixes the timeline. A transaction completed before residency begins can produce a different result from the same transaction completed after residency begins. That does not mean sell everything. It means identify the rules before acting.

Build a foreign-asset map before making changes

Start with an inventory that shows more than account balances. For every foreign asset, identify:

• the legal owner;
• the person who controls or can sign for it;
• the country where it is organized, held or registered;
• the original cost and available basis records;
• income, gains, distributions and currency exposure;
• beneficiaries, nominees, trustees and corporate directors;
• debt, guarantees and local exit restrictions; and
• the U.S. tax and information returns that may follow the asset.

That exercise usually exposes the real problem: an asset may be perfectly ordinary in one country and unusually costly or difficult to report in the United States.

Foreign accounts can create more than one reporting obligation

A U.S. person may have an FBAR obligation when the aggregate value of foreign financial accounts exceeds $10,000 at any time during the calendar year. The rule can apply to financial interests and to certain signature or other authority. It is an aggregate threshold, not a separate $10,000 allowance for each account.

Form 8938 is a different regime. It reports specified foreign financial assets when the applicable threshold is exceeded, and the threshold varies with filing status and whether the taxpayer lives in the United States or abroad. Filing one form does not necessarily satisfy the other. Some assets may appear on both.

The distinction matters. A family may close one account and leave the overall reporting exposure untouched because other accounts, interests or signing authority remain.

A foreign mutual fund may not remain a simple mutual fund

Foreign pooled funds, investment companies and certain insurance-linked investments require particular attention. A foreign fund may be classified as a passive foreign investment company, or PFIC. Form 8621 can apply, and the U.S. tax treatment can differ sharply from the treatment of a comparable U.S. fund.

Do not assume that a widely used local investment product will remain efficient after the return. Review the entity classification, holding period, available elections, embedded gain and whether the fund can provide the information needed for U.S. reporting.

And do not liquidate reflexively. A sale can trigger local tax, U.S. tax, currency gain, an exit charge or a loss of treaty or pension treatment. The sequence matters.

Foreign pensions and insurance need classification, not labels

A plan called a “pension” abroad is not automatically treated like an IRA or qualified plan in the United States. Contributions, employer funding, earnings, distributions, treaty provisions and the legal form of the arrangement all matter.

The same is true of foreign life insurance and annuity contracts. Before surrendering, borrowing from, assigning or changing a policy, determine how the contract is classified under U.S. law and whether ownership coordinates with the estate plan.

Local product names are not U.S. tax conclusions.

Foreign companies can carry reporting and income consequences home

An interest in a foreign corporation, partnership or disregarded entity may create U.S. reporting obligations even when no cash is distributed. Control, voting power, value, ownership attribution and the entity's income can affect the analysis.

The family business may also have a succession problem. Who can vote the shares if the owner is incapacitated? Will a U.S. revocable trust be recognized on the foreign register? Does a local nominee arrangement conflict with the beneficial ownership expected under the U.S. plan? Can the successor trustee obtain information and exercise authority in the country where the business is organized?

A share certificate in a binder is not a succession system.

Foreign trusts, foundations and gifts require early review

Foreign trusts can generate Forms 3520 and 3520-A, depending on ownership, transfers, distributions and other facts. Some tax-favored foreign retirement or benefit arrangements may qualify for limited relief, but the exception depends on the arrangement and the taxpayer.

Foreign private foundations, usufructs, nominee structures and family holding companies should not be forced into familiar U.S. labels without analysis. Civil-law ownership and inheritance concepts do not always align with U.S. trust and tax concepts.

Large foreign gifts or inheritances can also create information-reporting issues even when the transfer is not treated as taxable income. The time to identify the reporting path is before the money moves.

Real estate has two legal systems attached to it

Foreign property remains governed by the law of the place where it is located. The U.S. estate plan must therefore coordinate with local title, marital-property rules, forced-heirship rights, mortgages, powers of attorney and succession procedures.

Review how the property is titled, who can manage it during incapacity, what happens at death and whether the U.S. trust should own it at all. Sometimes coordination requires a local will or other country-specific document. Sometimes changing title creates more tax or administrative friction than it solves.

The answer is not automatic. The coordination is the planning.

Rebuild the estate plan around the returning family

Returning families should also pressure-test their U.S. documents:

• Are the successor trustees and agents still the right people?
• Can they reach records and institutions located abroad?
• Do beneficiary designations match the trust plan?
• Are foreign assets included in the incapacity and liquidity analysis?
• Does the plan account for children or beneficiaries who remain overseas?
• Could citizenship, domicile or marital-property status change the transfer-tax result?
• Is there enough liquidity to administer property in more than one country?

This is the purpose of Risk Exposure Mapping. We identify the ownership, tax, control, liquidity, succession and reporting fault lines before changing the documents or moving the assets.

Review before the return limits the choices

The mistake is treating the return flight as the beginning of the planning process. By then, tax residency may have started, a reporting year may be underway and a foreign institution may be unwilling to restructure the account for a U.S. person.

Map the assets. Classify the entities. Confirm the residency dates. Coordinate U.S. and foreign advisers. Then decide what should be retained, restructured, transferred or closed.

Before—not after.

To request a review of a cross-border estate plan, visit the Law Office of James Burns Services page.

This article provides general educational information and does not establish an attorney-client relationship. Tax, reporting and estate-planning consequences depend on citizenship, residency, treaties, ownership, documents, asset classification and the laws of each relevant jurisdiction.

Primary sources

• IRS: Introduction to Residency Under U.S. Tax Law
• IRS: Substantial Presence Test
• FinCEN: Report Foreign Bank and Financial Accounts
• IRS: Comparison of Form 8938 and FBAR Requirements
• IRS: Instructions for Form 8621
• IRS: Foreign Trust Reporting Requirements
• California FTB: Residency Status