What Happens If You Don't File Form 5472?
Updated June 2026 · Reviewed by a Form 5472 specialist
Updated June 2026 · Reviewed by a Form 5472 specialist
The short answer
Key takeaways
The penalty is $25,000 per form, per year, per entity under IRC §6038A(d). It applies even to a zero-revenue LLC, even if no tax was ever owed, and there is no maximum cap on the total.
Form 5472 carries one of the harshest information-return penalties in the entire tax code. It is a flat $25,000per missed form — not a percentage of tax, because a disregarded entity owes no entity-level tax. The penalty exists to force disclosure, so it bites hardest on exactly the small, dormant, foreign-owned LLCs that assume “no income means no filing.” That assumption is the most expensive mistake a foreign founder can make. Read the full rule on the Form 5472 penalty page.
| Item | Amount |
|---|---|
| Base penalty per form, per year | $25,000 |
| Maximum cap | None |
| Continuation penalty after 90-day notice | +$25,000 per 30 days |
| Statute of limitations | None (IRC §6501(c)(8)) |
Source: IRC §6038A(d); §6501(c)(8); IRS Instructions for Form 5472. Verified June 2026.
Each missed year is a separate $25,000 penalty. Three unfiled years means at least $75,000 of exposure before any notice continuation penalties — and because there is no statute of limitations, none of those years has expired.
The penalty is assessed per form, per year. The IRS does not roll missed years into one charge; it stacks them. A founder who incorporated in 2021 and never filed could face four or five separate $25,000 penalties at once. Because the assessment window under IRC §6501(c)(8) never closes on an unfiled information return, even the oldest year remains fully collectible. Use the penalty calculator to see your stacked exposure across every year you owe.
| Years not filed | Base penalty | Still assessable? |
|---|---|---|
| 1 year | $25,000 | Yes — no statute of limitations |
| 2 years | $50,000 | Yes |
| 3 years | $75,000 | Yes |
| 5 years | $125,000 | Yes |
Source: IRC §6038A(d); §6501(c)(8). Verified June 2026.
The IRS first assesses the $25,000 penalty and mails a notice. If you fail to file within 90 daysof that notice, an additional $25,000 is charged for each 30-day period the form remains outstanding, with no ceiling.
The timeline matters because the penalty grows. First the IRS detects the missing form and assesses the initial $25,000. Then it issues a formal notice. Once 90 days pass after that notice without the form being filed, the continuation penalty kicks in: another $25,000 for every 30 days. This is why speed is everything — the moment you learn a year is missing, the goal is to file before that 90-day clock ever starts. Our guide on what to do is missed Form 5472.
| Stage | What happens | Penalty |
|---|---|---|
| Detection | IRS identifies the missing form | $25,000 assessed |
| Notice issued | IRS mails the penalty notice | $25,000 stands |
| 90 days later | Form still not filed | Continuation begins |
| Each 30 days after | Form still outstanding | +$25,000 each period |
Source: IRC §6038A(d); IRS Instructions for Form 5472. Verified June 2026.
The IRS cross-checks EIN records, bank and payment-processor reports, and prior filings. Many of the roughly 2 million foreign-owned US LLCs are flagged when an owner later tries to file, get an ITIN, or close the entity and the missing year appears.
A common myth is that a small, dormant LLC is invisible. It is not. The EIN you applied for created an IRS account that expects a return each year, and a foreign-owned disregarded entity files by mail or fax — so a missing year leaves an obvious gap. The IRS also receives data from banks, Stripe, PayPal, and Amazon. The most frequent trigger is voluntary: an owner files for a later year, or applies to dissolve, and the system surfaces the unfiled years. The disregarded-entity-as-corporation rule has applied since 2017 under T.D. 9796, so there is no “grandfathered” period.
Filing 2025 on time does nothing for the 2022, 2023, and 2024 years you skipped. Each prior year is its own assessable penalty until that specific form is filed. To understand who is even required to file, see who needs to file Form 5472.
Almost certainly yes. Virtually every foreign-owned SMLLC has a reportable transaction — funding the LLC or paying its formation fee counts — so almost all must file. The trigger is a transaction, not profit, so a $0-revenue LLC still typically files.
The penalty surprises people because it ignores income. Form 5472 is triggered by a reportable transaction between the LLC and its foreign owner, and forming and funding the LLC is itself such a transaction. Wiring in capital, paying the registered-agent fee from a personal card, or lending the company money all count. That is why we say virtually every foreign-owned single-member LLC has at least one reportable transaction and almost certainly must file — not that every LLC must file no matter what. Confirm who is required on who needs to file Form 5472.
File the late form now, before the IRS contacts you. A foreign-owned SMLLC 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.
The single most important move is to file before the IRS makes the first contact. A self-corrected late filing keeps the 90-day continuation clock from ever starting and is the foundation of any reasonable-cause argument you might later make on your own. We prepare and file the form, but we do not provide IRS representation or penalty-abatement services — that requires separate credentials. For the step-by-step on cleaning up, read missed Form 5472.
| Method | Where | Proof to keep |
|---|---|---|
| P.O. Box 149342, Austin, TX 78714-9342 | Certified-mail receipt | |
| Fax | 855-887-7737 | Fax transmission confirmation |
Source: IRS Instructions for Form 5472 (foreign-owned U.S. DE). Verified June 2026.
The deadline going forward is April 15, or October 15with Form 7004. Note that Form 5472 is separate from BOI: under FinCEN’s March 2025 interim final rule, US-formed entities including foreign-owned US LLCs are exempt from BOI reporting, but Form 5472 is still required.
Filing costs a flat $299 with form5472.tax. The penalty for not filing is $25,000 per year — roughly 80x the cost of doing it right. Competitors charge $547 or $1,999/year for the same filing.
The math is stark. One missed year costs $25,000; correct preparation and filing costs a flat $299. Even compared to other services — $547 at form5472.online or $1,999/year at doola — our flat fee is the lowest path to compliance, and any of them beats the penalty by a wide margin. For a foreign founder, the only expensive option is doing nothing. Compare on the pricing page or start now on the apply page.
Form 5472 and pro forma 1120, prepared, reviewed, and filed for a flat $299 — a fraction of one year's penalty. Or message us first with your situation.