No Tax Due—and a $10,000 Penalty? Forms 3520 and 3520-A Explained
INTERNATIONAL TAX · FOREIGN GIFTS & TRUSTS
By BIZ CPAs Accountants and Advisors · Approximately 6-minute read
Reviewed October 6, 2026
Your parents abroad help you buy a home. A foreign inheritance arrives. An overseas family trust pays your expenses.
You may owe no income tax on a genuine gift. Yet missing a separate IRS reporting obligation can still be expensive: certain foreign-trust failures carry an initial penalty generally equal to the greater of $10,000 or a percentage of the reportable value. Unreported foreign gifts follow a different rule, with penalties potentially reaching 25% of the gift. [1, 2]
A tax-free receipt can still create a costly filing responsibility. The key is knowing whether the money came from an individual, an estate, a company, or a trust.
How Small Can the Penalty Be—and How Large Can It Get?
These are general statutory calculations, subject to applicable caps, exceptions, and reasonable cause relief. They are not automatic assessments in every case. [1, 2]
What was missed? | General initial penalty | How the exposure can grow |
|---|---|---|
A reportable transfer to a foreign trust | Greater of $10,000 or 35% of the gross value transferred | Additional penalties after continued noncompliance following an IRS notice, subject to the statutory gross-reportable-amount cap |
A reportable foreign trust distribution | Greater of $10,000 or 35% of the gross distribution | The same continuation framework and applicable cap |
Annual U.S.-owner reporting, including required Form 3520-A information | Greater of $10,000 or 5% of the gross value of the trust portion treated as owned by the U.S. person | Additional penalties may apply; the relevant asset value drives the applicable cap |
Required foreign gift or inheritance reporting | 5% of the gift amount for each month the failure continues | Capped at 25% of the gift; this rule does not impose the trust rule's $10,000 minimum |
Three examples show why the paperwork matters:
A $200,000 unreported trust distribution produces a 35% initial calculation of $70,000.
A missed annual ownership filing involving $2 million of gross assets produces a 5% initial calculation of $100,000.
A reportable $150,000 foreign gift produces a monthly calculation of $7,500, potentially reaching the $37,500 cap.
For trust failures, continued noncompliance more than 90 days after an IRS notice can add $10,000 for each further 30-day period, or fraction thereof. Once the gross reportable amount is determined, section 6677 limits aggregate penalties for that failure to that amount. This can mean exposure reaching the full reportable value; there is no universal maximum dollar figure covering every trust failure. The $10,000 initial minimum is also subject to the applicable statutory cap. [1, 4]
Income tax, interest, and other penalties can be separate. A taxpayer who establishes reasonable cause and lack of willful neglect may qualify for relief; a trustee's unwillingness to provide records is not itself reasonable cause. [1, 2]
Two Forms. Different Jobs.
Form 3520 reports a U.S. person's reportable foreign-trust transfers, tax ownership, distributions, and certain large foreign gifts or bequests. Its four parts address those four categories. A U.S. tax owner generally completes Part II even in a year without transactions. [1]
Form 3520-A is the annual information return for a foreign trust with a U.S. owner under the grantor trust rules. It includes financial information and required owner and beneficiary statements. Each U.S. owner must ensure the trust files and provides the required statements. [2]
Receiving a foreign inheritance does not automatically require both forms. Likewise, being a trust beneficiary does not automatically make you a U.S. tax owner. Classification comes first.
When Does a Foreign Gift Need Reporting?
For genuine gifts or bequests from a nonresident alien individual or foreign estate, Form 3520 Part IV generally applies when the applicable aggregate exceeds $100,000 during the tax year. Gifts from related donors must be combined when the recipient knows, or has reason to know, they are related. [1]
Example: Your nonresident parents give you $70,000 and $45,000 in the same year. Their $115,000 combined gifts exceed the threshold. Two wires do not create two separate $100,000 allowances.
Purported gifts from foreign corporations or partnerships have lower, annually adjusted thresholds: $20,116 for 2025 and $20,573 for 2026. Related-person aggregation rules apply, and the IRS may recharacterize a purported company gift. [3]
A foreign trust distribution generally belongs in Part III, not Part IV. The $100,000 gift threshold is not an exemption for trust distributions. Loans, indirect payments, and uncompensated use of trust property can also create reporting obligations. [1]
The Deadline Trap: Your Extension May Cover Only One Form
For ordinary calendar-year filings, Form 3520 generally is due April 15 of the following year. Qualifying individuals abroad may have until June 15; an applicable timely income-tax extension can generally extend filing to October 15. Form 3520 is filed separately from the income-tax return. [1]
Standalone Form 3520-A generally is due March 15, with a separate six-month extension requested on Form 7004 using the trust's EIN. An income-tax extension does not extend standalone Form 3520-A. Weekend, holiday, fiscal-year, and special-relief rules can change dates. [2]
If the foreign trust fails to file, the U.S. owner must prepare a substitute Form 3520-A, attach it to a timely Form 3520, and furnish the required statements. That substitute follows the owner's applicable Form 3520 deadline. It must be properly identified and signed; an incomplete package should not be assumed sufficient. [1, 2]
What Your CPA Needs Before Filing
A reliable filing starts with evidence:
Who and what: donor residency, recipient U.S. tax status, trust deed and amendments, trustee details, EIN evidence, and ownership chart.
Money movements: gift letters, estate records, bank transfers, contributions, distributions, loans, and personal use of trust assets.
Financial support: income, expenses, beginning and ending assets and liabilities, documented currency conversions, and valuation support.
Reporting history: prior returns, owner and beneficiary statements, extension confirmations, filing proof, and IRS correspondence.
Form 3520-A requires English information, U.S.-dollar amounts, an income statement reflecting U.S. tax principles, and a balance sheet reflecting fair market value. Copying last year's numbers or translating book values does not establish current reporting values. [2]
For foreign nongrantor trust distributions, request historical earnings and distribution records early. Missing beneficiary statements can affect the tax calculation, including possible accumulation-distribution tax and interest. [1]
Certain retirement and savings arrangements qualify for exceptions, but eligibility must be established. Forms 8938, FBAR, income-tax reporting, and other obligations may still apply. Gifts from covered expatriates also need separate review. [1, 2]
Protect the Gift. Get the Reporting Right.
International family wealth deserves a coordinated plan: classify the receipt, identify the required returns, collect the supporting records, and assign responsibility before the deadline.
Received money from abroad or retained a foreign trust interest? Request a Foreign Gift and Trust Reporting Review with BIZ CPAs.
(305) 593-2003 · bizcpas@bizcpas.biz
General education, not individualized tax or legal advice. Rules depend on the facts and filing year. Examples and illustrated characters are fictional. Professional marks do not imply endorsement of this article by those organizations.
Sources and Further Reading
1. IRS Instructions for Form 3520, revised December 2025; supplied i3520.pdf.
2. IRS Instructions for Form 3520-A, revised December 2025; supplied i3520a.pdf.
3. IRS: Gifts From Foreign Persons, including 2025 and 2026 reporting thresholds.
4. 26 U.S.C. section 6677, continuation penalties and the gross-reportable-amount limitation.
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