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Corporate Transparency Act: What Foreign LLC Owners Must Do

Updated June 2026 · Reviewed by a Form 5472 specialist

corporate transparency act llc — what foreign owners of US LLCs must do about BOI reporting in 2026

The short answer

The Corporate Transparency Act(CTA) created a beneficial-ownership reporting program run by FinCEN. But under FinCEN’s March 2025 interim final rule, US-formed entities — including foreign-owned US LLCs — are exempt from filing a BOI report; only foreign reporting companies must file. This does nottouch Form 5472, a separate IRS return that virtually every foreign-owned single-member LLC still must file by April 15, by mail or fax only. Missing Form 5472 costs $25,000 per year.

Key takeaways

What is the Corporate Transparency Act?

The Corporate Transparency Act is a 2021 US law that directed FinCEN to collect beneficial ownership information (BOI) — the individuals who own at least 25% of or control a company — to fight shell-company abuse, money laundering, and sanctions evasion.

Congress passed the Corporate Transparency Act as part of the National Defense Authorization Act for fiscal year 2021. It tasked the Financial Crimes Enforcement Network (FinCEN), a bureau of the US Treasury, with building a non-public database of beneficial owners behind US companies. The goal was to strip away the anonymity that bad actors used to hide behind LLCs and corporations.

A “beneficial owner” is any individual who owns or controls at least 25% of an entity, or who exercises substantial control over it. The CTA originally required tens of millions of small entities to file a beneficial ownership information reportwith FinCEN. Importantly, the CTA is enforced by Treasury’s FinCEN, not the IRS — which is why it sits entirely apart from your Form 5472 obligation.

Are foreign-owned US LLCs exempt from BOI reporting now?

Yes. Under FinCEN’s interim final rule of March 2025, all US-formed entities — including a foreign-owned US LLC — are exempt from BOI reporting. Only foreign reporting companies that register in a US state must still file. That removed the obligation for the vast majority of LLCs.

In March 2025 FinCEN issued an interim final rule that narrowed the definition of a “reporting company.” The rule removed the requirement for domestic reporting companies — any entity created by filing with a US state, such as an LLC formed in Wyoming, Delaware, or New Mexico — to file a BOI report, even when the owner is a non-US person. Only entities formed under the law of a foreign country that then register to do business in a US state remain on the hook.

Who must file a BOI report after the March 2025 interim final rule
Entity typeBOI report required?Why
Foreign-owned US LLC (formed in a US state)NoExempt as a US-formed domestic entity
US-owned LLC or corporationNoExempt as a US-formed domestic entity
Foreign company registered to do business in a US stateYesTreated as a foreign reporting company
Foreign company with no US registrationNoNot a reporting company

Source: FinCEN interim final rule (March 2025), 31 CFR 1010.380. Verified June 2026.

If you formed a US LLC and own it from abroad, you fall in the first row: no BOI report is required. Read the practical walkthrough on the BOI report filing page, which covers the rare cases where a foreign reporting company still files.

Is the BOI report the same thing as Form 5472?

No. The BOI report goes to FinCEN under the Corporate Transparency Act, while Form 5472 goes to the IRS under IRC §6038A. They are two completely different filings with different agencies, deadlines, and penalties — and the BOI exemption does not waive Form 5472.

This is the single most common confusion among foreign LLC owners. The BOI report and Form 5472 are operated by different parts of the Treasury Department, serve different purposes, and carry separate penalties. Confusing the two — or assuming the BOI exemption means “nothing to file” — is how owners walk into a $25,000 Form 5472 penalty.

BOI report vs Form 5472
FeatureBOI report (CTA)Form 5472 (IRS)
AgencyFinCENIRS
Legal basisCorporate Transparency ActIRC §6038A
Foreign-owned US LLC statusExempt (March 2025 rule)Virtually always must file
DeadlineN/A for exempt US entitiesApril 15 (Oct 15 with Form 7004)
PenaltyUp to $591/day (foreign filers)$25,000 per form, per year

Source: FinCEN interim final rule (March 2025); IRC §6038A; IRS Instructions for Form 5472. Verified June 2026.

The bottom line: a BOI exemption is not a Form 5472 exemption. See our filing service if you want both handled correctly.

Who still must file Form 5472 despite the BOI changes?

Any US LLC or corporation at least 25% owned by a non-US person that had a reportable transactionmust file Form 5472. Because funding the LLC counts, virtually every foreign-owned single-member LLC must file — the BOI exemption changes nothing here.

Two facts must both be true for Form 5472: a foreign person owns at least 25% of the US entity, and the entity had at least one reportable transaction during the year. Because forming and funding an LLC always moves money from the owner into the company, virtually every foreign-owned single-member LLC has a reportable transaction in its very first year — even a single capital contribution counts.

The disregarded-entity-as-corporation rule

Since tax years beginning on or after January 1, 2017, final regulations under T.D. 9796 treat a foreign-owned single-member LLC (a disregarded entity) as a corporation for Form 5472 reporting purposes only. That means it files a pro forma Form 1120carrying the Form 5472 — not a normal corporate tax return. None of this was touched by the Corporate Transparency Act or FinCEN’s 2025 rule.

Form 5472 filing obligation by entity type
Entity typeFiles Form 5472?
Foreign-owned single-member LLCYes — virtually always
Foreign-owned US C-corporation (25%+)Yes — if reportable transaction
Multi-member LLC taxed as a partnershipGenerally no (Form 1065/K-1)
US-owned LLC with no foreign ownerNo

Source: IRC §6038A; T.D. 9796; IRS Instructions for Form 5472. Verified June 2026.

How do you file Form 5472 in 2026?

A foreign-owned single-member LLC cannot e-file. The pro forma Form 1120 with Form 5472 attached must be mailed to P.O. Box 149342, Austin, TX 78714-9342, or faxed to 855-887-7737. Those are the only two accepted methods.

Unlike a BOI report, which (when required) is submitted online through FinCEN’s portal, Form 5472 for a disregarded entity has no e-file path. The IRS accepts exactly two delivery methods, and the filing must arrive by the deadline. Always retain proof — a certified-mail receipt or a fax transmission confirmation — because there is no electronic acknowledgment.

The two accepted Form 5472 filing methods
MethodWhereProof to keep
MailP.O. Box 149342, Austin, TX 78714-9342Certified-mail receipt
Fax855-887-7737Fax transmission confirmation

Source: IRS Instructions for Form 5472 (foreign-owned U.S. DE). Verified June 2026.

Want it done for you? Our team prepares and files everything; start on the apply page or compare cost on the pricing page.

What happens if you miss Form 5472 because you thought BOI covered it?

The penalty is $25,000 per form, per year, under IRC §6038A(d), with no cap and no statute of limitations (IRC §6501(c)(8)). An extra $25,000 accrues every 30 days after a 90-day IRS notice. BOI exemption is no defense.

Form 5472 carries one of the harshest information-return penalties in the tax code. Assuming the BOI exemption means “nothing to file” is exactly the mistake that triggers it. Because there is no statute of limitations on an unfiled information return under IRC §6501(c)(8), a year missed long ago can still be assessed today, and the $25,000 stacks every year you failed to file.

We do not offer penalty-abatement or IRS representation, but filing on time is the cleanest way to avoid the issue entirely. Read the deadline detail on the BOI report deadline 2026 post to see how the two timelines differ.

What should a foreign LLC owner actually do about all this in 2026?

Do three things: confirm your US-formed LLC is BOI-exempt under the March 2025 rule, then file Form 5472 with a pro forma Form 1120 by April 15, and keep proof of mailing or faxing for at least six years.

The Corporate Transparency Act news is good for most foreign LLC owners — the BOI burden was lifted for US-formed entities. But the danger is using that good news as a reason to ignore the filing that actually carries a five-figure penalty. Here is the clean 2026 action list.

2026 action checklist for a foreign-owned US LLC
StepWhat to do
1. Confirm BOI statusUS-formed LLC = exempt under the March 2025 interim final rule
2. Confirm Form 5472 appliesIf you funded the LLC, you almost certainly must file
3. Prepare the filingPro forma Form 1120 with Form 5472 attached
4. File by the deadlineApril 15, or October 15 with Form 7004
5. File by mail or faxAustin, TX P.O. box or fax 855-887-7737 — never e-file
6. Keep proofCertified-mail receipt or fax confirmation, retained 6+ years

Source: IRS Instructions for Form 5472; FinCEN interim final rule (March 2025). Verified June 2026.

If receiving US-source income complicates your picture, the effectively connected income guide explains how that interacts with your return.

Frequently asked questions

Does the Corporate Transparency Act apply to my foreign-owned US LLC?
Under FinCEN's March 2025 interim final rule, a US-formed entity — including a foreign-owned US LLC — is exempt from BOI reporting. Only foreign reporting companies that register to do business in a US state must file. The CTA still defines your LLC, but the reporting obligation was removed for domestic entities.
Do I still have to file a BOI report in 2026?
If your LLC was formed in a US state (Wyoming, Delaware, New Mexico, etc.), you do not have to file a BOI report under the March 2025 interim final rule. Only entities formed under foreign law that then register in a US state are still required to report to FinCEN.
Is Form 5472 affected by the Corporate Transparency Act changes?
No. Form 5472 is an IRS information return under IRC §6038A and is completely separate from FinCEN's BOI program. Virtually every foreign-owned single-member LLC still must file Form 5472 with a pro forma Form 1120 by April 15, regardless of any BOI exemption. The $25,000 penalty is unchanged.
What is the penalty for not filing Form 5472?
The penalty is $25,000 per form, per year, per entity under IRC §6038A(d), with no cap and no statute of limitations. An additional $25,000 accrues every 30 days after a 90-day IRS notice. This is unrelated to any CTA or BOI penalty.
Who is a beneficial owner under the Corporate Transparency Act?
A beneficial owner is an individual who owns or controls at least 25% of the entity, or who exercises substantial control over it. For US-formed LLCs the reporting requirement is currently removed, but the definition still matters if you operate a foreign reporting company that registers in the US.
How do I file Form 5472 if I cannot e-file?
A foreign-owned single-member LLC cannot e-file. You mail the pro forma Form 1120 with Form 5472 attached to P.O. Box 149342, Austin, TX 78714-9342, or fax it to 855-887-7737. Keep the certified-mail receipt or fax confirmation as proof of timely filing.

Related guides

Beneficial Ownership Information ReportBeneficial ownership information reportBOI Report Filing for Foreign-Owned LLCsBoi report filingApply to File Your Form 5472Form 5472 filing servicePricingWhy our flat $299 beats every competitorBOI Report Deadline 2026From our blogForm 1042-S: What It Means When You Receive OneFrom our blogEffectively Connected Income for Foreign LLC OwnersFrom our blog

BOI may be exempt — but Form 5472 is not

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