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Foreign inheritance and U.S. tax compliance

Published:
By: NATP Staff
Tax professional reviewing foreign inheritance reporting rules, including Form 3520, FBAR, Form 8938 and foreign trust compliance requirements
In today’s globalized world, it’s increasingly common for U.S. citizens and residents to inherit assets from abroad. Whether it’s a bank account in Europe, real estate in Latin America or a portfolio in Asia, cross-border estates raise important tax compliance questions. Tax professionals must be prepared to guide clients through the maze of U.S. reporting requirements and recognize potential pitfalls. Here’s what you need to know.

Is a foreign inheritance taxable?

The good news for beneficiaries is that, under §102, property received by gift or inheritance is generally excluded from gross income for federal income tax purposes. This exclusion applies regardless of whether the property is located in the U.S. or overseas. So, if a client inherits a foreign bank account or property, the value received is not taxable income. 
However, the story doesn’t end there. Any income generated by the inherited assets after the decedent’s death, such as interest, dividends or rental income, must be reported on the beneficiary’s U.S. tax return (Form 1040 if the beneficiary is an individual). If foreign taxes are paid on this post-death income, the beneficiary may be eligible for a foreign tax credit using Form 1116, subject to certain limitations.

Form 3520: reporting a large foreign inheritance

One of the most overlooked requirements is Form 3520, Annual Return To Report Transactions with Foreign Trusts and Receipt of Certain Foreign Gifts. U.S. persons must file Form 3520 if they receive more than $100,000 from a nonresident alien individual or foreign estate in a given tax year. This threshold applies to the total amount received, not just individual transfers.
It’s important to note that Form 3520 is a reporting requirement only; the inheritance itself is not taxed. However, the penalties for failing to file this form can be significant: 
  • Generally, 5% of the amount received for each month the failure continues, up to a maximum of 25%. 
  • No penalty applies if the taxpayer shows the failure was due to reasonable cause, not willful neglect.
Many clients mistakenly believe that if the inheritance isn’t taxable, no reporting is required. This misconception can be costly.

Foreign accounts and FBAR filing 

If the inherited assets include foreign financial accounts, additional reporting requirements may be triggered. The FBAR (FinCEN Form 114) must be filed if the aggregate value of foreign accounts exceeds $10,000 at any time during the year. This requirement applies for any year the beneficiary has a financial interest in or signature authority over the account, regardless of whether the account was inherited.

Form 8938, Statement of Specified Foreign Financial Assets

Under the Foreign Account Tax Compliance Act (FATCA), certain U.S. taxpayers with specified foreign financial assets may be required to file Form 8938. This form is attached to the taxpayer’s annual income tax return and has its own filing thresholds, which vary based on filing status and residency. Some assets may need to be reported on both the FBAR and Form 8938, so careful review of IRS guidance is essential.

Foreign trusts add complexity

If the inheritance involves a foreign trust, the compliance landscape becomes more complex. Distributions from foreign trusts may require additional reporting on Form 3520. If a U.S. person is treated as the owner of any portion of the trust, the foreign trust generally must file Form 3520-A. Accumulation distributions from foreign non-grantor trusts can trigger the “throwback tax” regime, resulting in potentially significant tax consequences. 

Practical steps for tax professionals

  1. Gather documentation: Obtain date-of-death values, foreign probate records and statements showing post-death income. Confirm whether foreign taxes were paid. 
  2. Identify reporting triggers: Determine whether Form 3520, FBAR, Form 8938 or Form 1116 are required.
  3. Educate clients: Many foreign institutions are unfamiliar with U.S. reporting rules. The compliance burden falls on the U.S. taxpayer.
Clarify what’s not taxable: The inheritance itself is not income, and there is no separate U.S. “foreign inheritance tax” on beneficiaries. The focus is on reporting and any post-inheritance income generated. Cross-border estates are increasingly common, but with a methodical approach, tax professionals can help clients navigate the complex compliance landscape. The key is understanding that foreign inheritances are less about income inclusion and more about accurate, timely disclosure under IRS and Treasury rules. 

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"NATP team committed to supporting tax professionals with expert insights, industry updates, and resources, shown with green triangle design element representing the organization's brand.

NATP Staff

The NATP team is dedicated to supporting tax professionals with expert insights, industry updates and resources that help them serve their clients with confidence.

Information included in this article is accurate as of the publication date. This post does not reflect tax law changes or IRS guidance that may have occurred after the publishing date.

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