Missed the Filing Deadline?
Here Is Exactly What To Do Now.
If you are reading this, you have probably just discovered that you were required to file Form 5472 — and you didn't. Or you filed late. Or you received an IRS notice you weren't expecting.
Arik Rozen, CPA | Head of Tax Filing Department, Form5472.online
Arik Rozen, CPA, is a seasoned expert in U.S. international tax law and a pioneer in the digital transformation of business compliance. As a co-founder of Dayl.ee and Form5472.online, he specializes in simplifying complex U.S. tax requirements for global entrepreneurs and non-resident business owners. Learn More
First: do not ignore it. The penalty for a missed Form 5472 filing starts at $25,000 per form, per year. It escalates automatically if left unaddressed.
Second: this is fixable. Thousands of foreign LLC owners have been in exactly this position. With the right response — filed correctly and quickly — the IRS can and does reduce or remove these penalties entirely.
This guide explains exactly what happened, what the IRS will do next, and the specific steps you need to take to resolve it.
Table Of Content
What Just Happened — Understanding Your Situation
When a foreign-owned U.S. LLC or corporation misses a Form 5472 filing, the IRS does not send a warning first. It assesses the penalty directly and notifies you after the fact.
Here is what has likely already occurred or will occur shortly:
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The IRS has flagged your entity as non-compliant for the affected tax year
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A CP notice (typically CP215 or CP259) has been issued or is pending
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The $25,000 penalty has been assessed per missed form, per year
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Interest is accruing on the unpaid penalty from the date of assessment
If you have missed filings across multiple years — which is common, since most people don't discover this requirement immediately — each year carries its own separate $25,000 penalty.
The 90-day rule: Once you receive the IRS notice, you have 90 days to respond before an additional $25,000 is added for every subsequent 30-day period. Acting before this window closes is critical.
Why This Happens — You Are Not Alone
The Form 5472 filing requirement is one of the most commonly missed IRS obligations for foreign business owners. This is not because people are trying to evade taxes. It happens because:
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Most general accountants and tax preparers are not familiar with international information return requirements
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Many foreign LLC owners are never informed of the requirement when they form their company
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The rule that applies to single-member LLCs was only introduced in 2017 — many owners formed their companies before the requirement existed
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Zero-income LLCs are commonly assumed to have no filing obligations — this is incorrect
If a professional prepared your taxes and missed this requirement, that is actually relevant to your abatement case. Reliance on a tax professional who failed to advise you correctly is one of the strongest reasonable cause arguments the IRS recognizes.
The Two Things You Need to Do — In This Order
Resolving a missed Form 5472 filing requires two separate but connected actions. Both must be done. Doing only one is not sufficient.
Step 1 — File the Missing Return
You must file the delinquent Form 5472 for every year it was missed. This means:
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Preparing Form 5472 with complete and accurate information for each unfiled year
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Attaching a pro forma Form 1120 to each year's filing — this is mandatory for foreign-owned single-member LLCs even if the LLC had no income
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Submitting to the correct IRS processing address — delinquent international information returns cannot be e-filed and must be mailed or faxed to the IRS facility in Ogden, Utah
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Including a written explanation statement with the submission
Filing the missing returns does not automatically remove the penalty. But it is required before any penalty relief can be considered. It also stops the clock on further escalation.
Step 2 — Request Penalty Abatement
Once the delinquent returns are filed, you can formally request that the IRS reduce or remove the assessed penalties. This is done through a Reasonable Cause abatement application.
A Reasonable Cause abatement request must:
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Clearly explain why the filing was missed
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Demonstrate that the failure was not due to willful neglect
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Show that you acted in good faith and took corrective action as soon as you became aware of the requirement
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Be supported by relevant facts, documentation, and a clear timeline
The IRS evaluates each request individually. Vague or generic statements are almost always rejected. A well-prepared, specific, and professionally drafted abatement request significantly increases your chances of a full penalty removal.
Important: Penalty abatement is not guaranteed. But for eligible clients — those with a clean compliance history, a legitimate reason for the missed filing, and prompt corrective action — our success rate is 98%.
What Counts as Reasonable Cause?
The IRS accepts several categories of reasonable cause for missed international information return filings:
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Reliance on a tax professional — you hired an accountant who did not advise you of the requirement
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Lack of knowledge of the law — particularly relevant for the 2017 regulatory change affecting single-member LLCs
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Reasonable misunderstanding — you believed zero-income LLCs had no filing obligation
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Illness, death, or unavoidable absence — documented personal circumstances that prevented timely compliance
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Newly discovered obligation — you only recently learned the requirement applied to your entity
What does not qualify as reasonable cause: simply forgetting, assuming someone else handled it, or ignoring a previously received notice.
The strength of your abatement case depends heavily on how it is documented and presented. This is not a form you fill out — it is a formal written argument made to the IRS on your behalf.
Which Forms Are Affected?
Depending on your entity type, one or more of the following forms may need to be filed:
Form 5472 — Required for foreign-owned single-member LLCs and U.S. corporations with 25%+ foreign ownership. Reports ownership information and related-party transactions. Penalty: $25,000 per form per year.
Pro Forma Form 1120 — Required as an attachment to Form 5472 for foreign-owned disregarded entities. Must be filed even if the LLC had no income or activity.
Form 1120 — Full U.S. corporate income tax return for C-Corporations. Required annually regardless of income.
Form 1065 + Schedule K-1 — Required for multi-member LLCs treated as partnerships. Each foreign partner may have additional reporting obligations.
If you are unsure which forms apply to your situation, a compliance review will identify exactly what needs to be filed and for which years.
Not sure which forms apply to you?
The forms required depend on your entity type, ownership structure, and how many years were missed. Getting this wrong — filing the wrong form or missing a required attachment — can result in additional penalties even after you try to fix the problem.
The Longer You Wait, The More It Costs
Time is the most important factor in a missed filing situation. Here is why:
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The 90-day escalation window starts the moment the IRS notice is issued — not when you receive it
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Interest accrues daily on unpaid penalties from the date of assessment
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Multi-year non-compliance is treated more seriously by the IRS than a single missed year
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A pattern of non-compliance weakens your reasonable cause argument
Filing quickly and responding professionally to the IRS notice is always the right move — even if you are not yet sure of the outcome.
How Form5472.online Handles Late Filings
Our Late Filer Protocol is specifically designed for this situation. Every case is personally reviewed and handled by our CPA team — not outsourced, not automated.
Here is what the process looks like:
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Compliance Review — We identify every form that needs to be filed and for how many years
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Preparation — We prepare all delinquent Form 5472 filings with the correct pro forma Form 1120 attachments
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Abatement Application — We draft a customized Reasonable Cause letter specific to your situation — not a template
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Submission — We submit everything to the correct IRS address with proof of delivery
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Follow-up — We monitor the IRS response and handle any follow-up correspondence on your behalf
Our team has handled thousands of late filings for foreign-owned LLCs and C-Corporations — the exact entity types the IRS scrutinizes most closely in this area.
Choose Your Resolution Package
For each tax year that was not filed, you will need the appropriate tax filing package for your entity type plus the Penalty Removal Service.
Step 1 — Select Your Tax Filing Package
Choose the package that matches your entity type. If you have multiple unfiled years, you will need one package per year.
Single-Member LLC Form 5472 + Pro Forma Form 1120 Starting from $399+→ Order Single-Member LLC Package
Multi-Member LLC Form 1065 + Schedule K-1 Starting from $529+ → Order Multi-Member LLC Package
C-Corporation Form 1120 + Form 5472 Starting from $529+ → Order C-Corporation Package
Step 2 — Add Penalty Removal Service
Add this to your order for every year you are filing late.
Penalty Removal Service — $499 Includes a professional IRS Reasonable Cause abatement application drafted by our CPA team, customized to your individual situation. → Add Penalty Removal Service
How it works:
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Select your entity package — Single-Member LLC, Multi-Member LLC, or C-Corporation
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Add Penalty Removal Service at checkout
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Our CPA team files your overdue forms and submits a professional Reasonable Cause letter to the IRS requesting full penalty removal
Frequently Asked Questions
Q: How many years back do I need to file?
A: The IRS can assess penalties going back to when the obligation first applied to your entity — for single-member LLCs, that is 2017. In practice, most cases involve 1–4 years of missed filings. A compliance review will identify the exact years that need to be addressed.
Q: What if I already received an IRS notice?
A: Act immediately. You have 90 days from the notice date before additional penalties begin accruing. Share the notice with our team as part of your case review — it helps us tailor the abatement argument.
Q: Can I file the missing returns myself?
A: You can — but the abatement application is where most people make mistakes. A generic or poorly documented reasonable cause request is almost always denied. The filing itself is also more technically complex than a standard tax return, particularly the pro forma Form 1120 requirement.
Q: What if my LLC had no income?
A: Zero income does not eliminate the filing requirement. If you had any transactions between yourself and the LLC — including capital contributions to open a bank account — Form 5472 was required. This is the most common misconception we see.
Q: Is the 98% success rate guaranteed?
A: No outcome can be guaranteed — the IRS evaluates each case individually. The 98% figure reflects our results for eligible clients: those with a legitimate reason for the missed filing, a clean compliance history, and prompt corrective action. Cases involving willful non-compliance or prior IRS warnings have a lower abatement rate.
Q: What if I have multiple years of missed filings?
A: We handle multi-year cases regularly. All delinquent years are submitted together with a consolidated explanation, which often strengthens the abatement case by demonstrating full corrective action in one
The Right Time to Act Is Now
A missed Form 5472 filing is a serious IRS compliance issue — but it is not permanent. The IRS has established procedures specifically to address situations like yours, and thousands of foreign LLC owners have resolved these penalties successfully.
What matters most is how quickly and professionally you respond.
If you are not sure where to start, a compliance review is the first step. Our team will identify exactly what needs to be filed, for which years, and what your abatement options are — before you commit to anything.
→ Start a Free Compliance Review
Disclaimer: This page is for informational purposes only and does not constitute legal or tax advice. Results vary based on individual circumstances. Past abatement outcomes do not guarantee future results.