IRS Form 8858 “Information Return of U.S. Persons With Respect To Foreign Disregarded Entities” is a mandatory disclosure form for U.S. owners of certain foreign business structures. A foreign disregarded entity (FDE) is a legal entity, like a foreign limited liability company that is not recognized as separate from its owner for U.S. tax purposes.
This means its financial activities are treated as if the U.S. owner conducted them directly. Form 8858 ensures the IRS receives detailed information about the FDE’s assets, income, expenses, and transactions with related parties, enabling proper oversight even though the entity itself pays no U.S. tax.
Who Must File Form 8858?
You must file Form 8858 if you are a U.S. person (individual, corporation, partnership, or estate) and you are the sole owner of a foreign entity that is classified as a disregarded entity for U.S. tax purposes. This requirement applies even if the entity had no income or activity during the tax year.
- A U.S. individual who forms a single-member LLC in another country
- A U.S. corporation that operates a foreign branch treated as a separate business unit
- A U.S. owner of a foreign entity that did not elect corporate tax treatment under the “check-the-box” regulations
The filing is required annually for each FDE owned at any time during the tax year.
Filing Deadline
- Form 8858 must be filed by the due dateof the U.S. owner’s tax return. For individuals, this is typically April 15
- If you extend your personal or business tax return (e.g., via Form 4868 or Form 7004), the Form 8858 deadline extends to the same date
- An extension to file does not extend the time to pay any underlying tax liability related to the FDE’s income
Penalties for Non-Compliance
Failure to file a complete and timely Form 8858 can result in significant penalties:
- Initial Penalty: $10,000 per entity, per tax year
- Additional $10,000 for each 30-day period after IRS notification, up to a maximum of $50,000 per return
- If the FDE’s gross income is less than $50,000 for the year, the penalty is limited to $1,000 per failure
Guide: How Do You Complete Form 8858?
Form 8858 consists of several schedules that collectively provide a financial snapshot of the FDE.
Part I: Identification
Provide basic information about the U.S. owner and the FDE, including names, addresses, tax identification numbers, and the tax year.
Schedule A: Balance Sheet
Report the FDE’s assets, liabilities, and equity at the beginning and end of the tax year. All amounts must be converted to U.S. dollars using the appropriate exchange rates.
Schedule C: Income Statement
Detail the FDE’s income, deductions, and taxable income. This schedule directly ties to the amounts reported on the U.S. owner’s tax return (e.g., Schedule C for a sole proprietor, Form 1120 for a corporation).
Schedule H: Transactions Between FDE and Its Owner
Disclose all financial transactions between the FDE and its U.S. owner, such as:
- Contributions of cash or property to the FDE.
- Distributions from the FDE to the owner.
- Loans and interest payments.
- Sales or exchanges of property.
Schedule I: Transactions Between FDE and Related Foreign Entities
If the FDE engaged in transactions with other foreign entities related to the U.S. owner (e.g., a foreign corporation owned by the same person), these must be reported here. This includes sales, services, loans, and other transfers.
Schedule O: Branch Registration
Required if the FDE is a foreign branch (not a separate legal entity). This schedule registers the branch with the IRS and provides operational details.
Schedule P: Transfer Pricing
May be required if the FDE engaged in transactions with related parties. This schedule documents compliance with arm’s-length pricing principles to prevent income shifting.
Common Mistakes to Avoid with Form 8858
- Not Filing for Inactive Entities: Even dormant FDEs with no activity generally require a filing, often with a “dormant entity” statement.
- Confusing Disregarded Entities with Corporations: If the foreign entity elected corporate tax treatment or has multiple owners, it may require Form 5471 instead of Form 8858.
- Incorrect Currency Conversion: Using inaccurate exchange rates for balance sheet items or income statement lines can lead to reporting errors.
- Omitting Related-Party Transactions: Failing to disclose transactions on Schedules H and I is a common audit trigger.
- Missing Dual-Reporting Requirements: Owners of FDEs often must also file Form 8938 (FATCA) and FBAR (FinCEN 114) if the FDE holds foreign financial accounts meeting threshold requirements.
FAQs
My foreign LLC is taxed as a corporation in its home country. Do I still file Form 8858?
Yes, if the LLC is a single-member entity and has not elected to be treated as a corporation for U.S. tax purposes. U.S. classification rules determine the filing requirement, not foreign tax treatment.
What’s the difference between Form 8858 and Form 5471?
Form 8858 is for foreign disregarded entities (treated as an extension of the owner), while Form 5471 is for foreign corporations (treated as separate entities). The two forms have distinct reporting schedules and penalty structures.
Do I need to file Form 8858 if my FDE owns real estate abroad?
Yes, and the real estate will be reported as an asset on Schedule A. Rental income or sales from the property would be reported on Schedule C.
Can I e-file Form 8858?
Generally, no. Form 8858 typically must be paper-filed and attached to the U.S. owner’s tax return, or mailed separately to the IRS if filing after the return.
What if my FDE has losses? Do I still need to file?
Yes. Filing is required regardless of profit or loss. The loss will flow through to the U.S. owner’s tax return and must be properly documented via Form 8858.
Form 8858 plays a critical role in the U.S. tax system’s oversight of foreign disregarded entities. While the entity itself may be “disregarded” for tax calculation purposes, it is far from ignored for reporting. The form’s detailed schedules demand careful attention to balance sheets, income statements, and related-party transactions. Given the steep penalties for non-compliance—and the potential for overlapping filings like FBAR and Form 8938—U.S. owners of foreign disregarded entities should consult with a tax professional experienced in international reporting to ensure accurate and timely submission.



