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✓ Practitioner Verified Updated for 2026 | Form 3520 — Annual Return to Report Transactions with Foreign Trusts and Receipt of Certain Foreign Gifts
Tax Intelligence Engine › Forms Library › Form 3520 — Annual Return to Report Transactions with Foreign Trusts and Receipt of Certain Foreign Gifts

Form 3520 — Annual Return to Report Transactions with Foreign Trusts and Receipt of Certain Foreign Gifts

The complete practitioner guide to Form 3520 — covering foreign trust reporting, foreign gift reporting, the $10,000 penalty for failure to file, and the interaction with FBAR and Form 8938.

$10,000+Penalty for Failure to File
Foreign TrustsGrantor and Beneficiary Reporting
Foreign Gifts$100K+ Threshold
35%Penalty on Unreported Trust Distributions
IRC §6048, §6039F, §6677 Foreign trust: Report creation, transfers, and distributions Foreign gift: Report gifts over $100,000 from foreign persons Penalty: $10,000 minimum — 35% of unreported trust distributions

Who Must File Form 3520?

Form 3520 must be filed by U.S. persons who: (1) are treated as the owner of a foreign trust under the grantor trust rules (§671–§679); (2) transfer money or property to a foreign trust; (3) receive a distribution from a foreign trust; or (4) receive a gift or bequest from a foreign person exceeding $100,000 in a calendar year (or $17,339 from a foreign corporation or foreign partnership in 2026, indexed for inflation).

Form 3520 is due on the same date as the U.S. person's income tax return (including extensions). For individuals, this is typically April 15 (or October 15 with an extension). Form 3520 is filed separately from the income tax return and is sent to the IRS Service Center in Ogden, Utah.

Foreign Trust Reporting

U.S. persons who are treated as the owner of a foreign trust under the grantor trust rules must report the trust on Form 3520 and must also ensure that the foreign trust files Form 3520-A (Annual Information Return of Foreign Trust with a U.S. Owner). If the foreign trust fails to file Form 3520-A, the U.S. owner is responsible for filing a substitute Form 3520-A.

U.S. persons who transfer property to a foreign trust must report the transfer on Form 3520. The reporting requirement applies to any transfer, including contributions to a foreign trust established by the U.S. person, loans to a foreign trust, and transfers of property to a foreign trust in exchange for an interest in the trust.

EventForm 3520 Required?Penalty for Failure
U.S. person creates a foreign trustYes$10,000 or 35% of gross reportable amount
U.S. person transfers property to foreign trustYes$10,000 or 35% of gross reportable amount
U.S. person receives distribution from foreign trustYes35% of gross reportable amount
U.S. person receives foreign gift over $100,000Yes5% of gift per month (max 25%)
Foreign trust fails to file Form 3520-AU.S. owner must file substitute$10,000 or 5% of gross reportable amount

Foreign Gift Reporting

U.S. persons who receive gifts or bequests from foreign persons must report the gifts on Form 3520 if the total gifts from all foreign persons exceed $100,000 in a calendar year. Gifts from foreign corporations or foreign partnerships must be reported if the total gifts exceed $17,339 in 2026 (indexed for inflation). The reporting requirement applies to gifts of cash, property, and other assets.

The failure to report a foreign gift is subject to a penalty of 5% of the gift per month (up to a maximum of 25% of the gift). The penalty is assessed on the unreported gift amount, not on the tax owed. Practitioners should advise clients who receive large gifts from foreign relatives or business associates to report the gifts on Form 3520.

Interaction with FBAR and Form 8938

Form 3520 is one of several international information reporting forms that U.S. persons with foreign financial interests must file. Other forms include: FBAR (FinCEN Form 114) for foreign bank accounts with a balance exceeding $10,000; Form 8938 (FATCA) for foreign financial assets exceeding $50,000 (single) or $100,000 (MFJ); Form 5471 for U.S. shareholders of foreign corporations; and Form 8858 for U.S. persons with interests in foreign disregarded entities.

Practitioners should conduct a comprehensive international information reporting review for clients with foreign financial interests to ensure that all required forms are filed. The penalties for failure to file international information returns are significant and can exceed the tax owed on the underlying income.

Penalty Abatement and Reasonable Cause

The penalties for failure to file Form 3520 can be abated if the taxpayer can demonstrate reasonable cause for the failure. Reasonable cause exists if the taxpayer exercised ordinary business care and prudence in determining their filing obligations but was unable to comply due to circumstances beyond their control. Common reasonable cause arguments for Form 3520 penalties include: (1) the taxpayer was unaware of the filing requirement; (2) the taxpayer relied on the advice of a tax professional who failed to advise them of the filing requirement; and (3) the taxpayer was unable to obtain the necessary information from the foreign trust to complete the form.

Frequently Asked Questions

Form 3520 must be filed by U.S. persons who are treated as the owner of a foreign trust, transfer property to a foreign trust, receive a distribution from a foreign trust, or receive a gift from a foreign person exceeding $100,000 in a calendar year.

The penalty for failure to file Form 3520 is $10,000 or 35% of the gross reportable amount (whichever is greater) for foreign trust transactions. For foreign gifts, the penalty is 5% of the gift per month (up to a maximum of 25% of the gift).

U.S. persons must report gifts from foreign persons on Form 3520 if the total gifts exceed $100,000 in a calendar year. Gifts from foreign corporations or foreign partnerships must be reported if the total gifts exceed $17,339 in 2026 (indexed for inflation).

Form 3520-A is the Annual Information Return of Foreign Trust with a U.S. Owner. It must be filed by the foreign trust itself. If the foreign trust fails to file Form 3520-A, the U.S. owner is responsible for filing a substitute Form 3520-A.

Form 3520 is one of several international information reporting forms. Other forms include FBAR (FinCEN Form 114) for foreign bank accounts, Form 8938 (FATCA) for foreign financial assets, Form 5471 for foreign corporations, and Form 8858 for foreign disregarded entities.

More Tax Planning FAQs

What is the penalty for failing to file this form on time?
Failure-to-file penalties are generally 5% of unpaid tax per month (up to 25%). Failure-to-pay penalties are 0.5% per month (up to 25%). Interest accrues on unpaid tax at the federal short-term rate plus 3%. Penalties can be waived for reasonable cause (illness, natural disaster, IRS error). First-time penalty abatement is available for taxpayers with a clean compliance history.
What is the statute of limitations for IRS assessment related to this form?
The IRS generally has three years from the later of the return due date or filing date to assess additional tax. If the taxpayer omits more than 25% of gross income, the statute is extended to six years. There is no statute of limitations for fraudulent returns or failure to file. Taxpayers should retain tax records for at least seven years to cover the extended statute of limitations.
Can this form be filed electronically?
Most IRS forms can be filed electronically through IRS e-file or through tax preparation software. Electronic filing is faster, more accurate, and provides confirmation of receipt. Some forms (such as Form 2553 and Form 8832) must be filed on paper. The IRS mandates electronic filing for businesses that file 10 or more information returns (1099s, W-2s) starting in 2024.
What records should be retained to support this form?
Taxpayers should retain all records supporting the information reported on this form for at least seven years (to cover the extended statute of limitations for omission of income). Records include: receipts, invoices, bank statements, brokerage statements, contracts, and correspondence with the IRS. Electronic records are acceptable if they are accurate, complete, and accessible.
What is the first-time penalty abatement (FTA) program?
The IRS First-Time Penalty Abatement (FTA) program waives failure-to-file, failure-to-pay, and failure-to-deposit penalties for taxpayers who have a clean compliance history (no penalties in the three prior years, all required returns filed, and no outstanding tax debt). FTA is available by calling the IRS or submitting a written request. It is one of the easiest ways to get a penalty waived.
How does this form interact with state tax returns?
Federal tax forms often have state counterparts that must be filed separately. State tax laws do not always conform to federal tax law, so the state return may require different calculations or additional schedules. Taxpayers should review their state’s conformity to federal tax law changes and file all required state returns by the applicable deadlines.
What is the difference between a tax deduction and a tax credit?
A tax deduction reduces taxable income, saving taxes at the marginal rate. A tax credit directly reduces tax liability dollar-for-dollar. A $1,000 deduction saves $370 for a taxpayer in the 37% bracket; a $1,000 credit saves $1,000 regardless of the tax bracket. Refundable credits can reduce tax liability below zero, resulting in a refund. Non-refundable credits can only reduce tax liability to zero.
How does the alternative minimum tax (AMT) affect this form?
The AMT is a parallel tax system that disallows certain deductions and adds back preference items. Taxpayers who owe AMT must complete Form 6251 to calculate their AMT liability. Common AMT triggers include: ISO exercises, large state tax deductions, accelerated depreciation, and passive activity losses. Taxpayers should model both regular tax and AMT before making decisions that could trigger AMT.
How should a taxpayer set up the reporting process for transactions with foreign trusts on Form 3520?
To properly set up the reporting process, the taxpayer must first identify all relevant foreign trusts and review all transactions subject to reporting under §6048. This includes distributions from, transfers to, and ownership interests in foreign trusts. The taxpayer should establish a robust recordkeeping system capturing dates, amounts, trust identification, and the nature of each transaction to ensure accurate and timely reporting on Form 3520. Since the form is annual, integrating these records into the year-end tax preparation workflow is critical to avoid penalties for late or incomplete filings.
What are the key steps a practitioner should take to ensure timely filing of Form 3520?
Form 3520 must be filed by the due date of the taxpayer's income tax return, including extensions, generally by October 15 for calendar-year taxpayers. The practitioner should verify receipt of all necessary foreign trust information before this deadline and prepare the form in conjunction with the taxpayer's income tax return to avoid discrepancies. It is advisable to file electronically if available or via certified mail with proof of delivery. Missing the filing deadline can trigger substantial penalties under §6677, so establishing reminder systems and coordinating with clients early in the tax year is essential.
What triggers IRS audit attention regarding Form 3520 filings?
IRS audits related to Form 3520 filings are often triggered by inconsistencies between reported foreign gift or trust transactions and income reported on Forms 1040 or 1120. Large or unusual transactions, failure to file Form 3520 when required, or incomplete disclosures can also prompt IRS scrutiny under §6677. Additionally, the IRS cross-matches information from foreign financial institutions and other reporting mechanisms, increasing audit risk for noncompliance or underreporting. Practitioners should carefully review all international transactions and maintain thorough documentation to mitigate audit exposure.
What documentation should be maintained to support Form 3520 disclosures?
Supporting documentation must include trust agreements, transfer records, bank statements, correspondence with foreign trustees, and any documents evidencing distributions or gifts. Detailed records demonstrating the taxpayer's ownership interest, amounts received, dates of transactions, and the nature of any foreign gifts are critical. Per §6048, these documents should be retained for at least seven years after the due date of the return to substantiate compliance during potential IRS examinations.
How does reporting on Form 3520 differ when a client receives both foreign gifts and distributions from foreign trusts?
A client receiving both foreign gifts and foreign trust distributions must report each transaction separately on Form 3520, as the IRS treats these under different parts of the form and statutory provisions. Gifts exceeding $100,000 from nonresident aliens or foreign estates require reporting under §6039F, whereas distributions from foreign trusts fall under §6048. Proper segregation ensures accurate reporting and avoids conflating these distinct transactions, which could result in filing errors or penalties.
Can clients combine reporting of multiple foreign trusts on a single Form 3520?
Clients may report multiple foreign trusts on a single Form 3520; however, each trust's transactions must be separately itemized and clearly identified. The IRS instructions specify that transactions must be reported by trust name, address, and identification number where available. Combining trusts without adequate segregation can lead to confusion and increased audit risk. Therefore, practitioners should meticulously separate and document each trust's activity within the form.
What questions should I ask my client to effectively gather information for completing Form 3520?
Start by inquiring about any foreign trusts in which the client has an ownership interest or from which they have received distributions during the tax year. Ask about any gifts received from foreign persons or estates exceeding $100,000, specifying dates and amounts. Additionally, determine whether the client has transferred assets to foreign trusts or entities, and request all related documentation, including trust agreements and bank statements. Clarifying the client's citizenship and residency status is also critical, as it affects filing obligations under §6048 and §6039F.

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Professional Disclaimer

The information on this page is intended for licensed tax professionals (CPAs, EAs, and tax attorneys) and is provided for educational and research purposes only. Tax law is complex and fact-specific — all strategies discussed are subject to limitations, phase-outs, and conditions that may not apply to every client situation. Practitioners should independently verify all information against current IRS guidance, Treasury Regulations, and applicable state law before advising clients. This content does not constitute legal or tax advice.

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