The charge is fixed by reference to the form and the length of the delay, not to the tax on the return it sits with. That is why an unfiled year with no income and no tax owing can still be expensive, and why the usual reassurance that nothing was due does not help. Two further points decide the size of the exposure. A separate form is required for each related foreign party, so one late year can carry more than one charge. And each year stands on its own, so a run of unfiled years multiplies rather than merges. We confirm what applied to each year against the instructions in force for that year before quoting anything.
What is the late filing penalty for Form 5472?
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For filings reviewed in 2026, the IRS instructions state an initial $25,000 failure-to-file penalty; substantially incomplete filing also counts. Continuing failures after IRS notification can produce additional penalties. Review the applicable year and any reasonable-cause position rather than treating this as a tax-on-profit calculation.
What a late filing costs
For filings reviewed in 2026, the IRS instructions state an initial $25,000 failure-to-file penalty; substantially incomplete filing also counts. Continuing failures after IRS notification can produce additional penalties. Review the applicable year and any reasonable-cause position rather than treating this as a tax-on-profit calculation.

Filing timetable and scope
File with the reporting corporation’s income tax return by its due date, including an applicable extension. A foreign-owned US disregarded entity uses a pro forma Form 1120 with Form 5472 attached and follows the special submission instructions. Its income-tax treatment does not remove the information-reporting test.
Where to go from here
The full treatment — who it binds, the deadline, the penalty and the fixed fee — is on 5472 — foreign-owned US corporation. We would rather scope it properly than quote it quickly.
Official filing guidance
Read and approved for the 2025 and 2026 filing seasons by Udit Gupta, International Tax, Cross-Border Tax & Transfer Pricing Expert, Legal Quotient Consultants. General guidance only. Your own facts decide the answer, so bring them to a call before relying on this.
Cross-border tax case studies
A dormant US company brought current for its foreign owner
A non-resident had formed a single-member US company for a property purchase that never completed. The state renewals were paid every year and no federal filings had ever been made. We established the period in which the entity existed, confirmed the owner as its only related foreign party, and worked through the bank statements and the formation invoices to list the transactions that were reportable in each year. A form was prepared for each open year and filed together with a statement setting out how the position had arisen. The engagement produced a complete filing history for the entity and a written record of the basis for each year.
Read how this one runsIntercompany ledger split by counterparty for a US subsidiary
A US subsidiary of an overseas family group had run loans, management charges, expense recharges and a share subscription through one intercompany account in its accounting system. Because reporting is by related foreign party, that single balance had to be separated before anything could be filed. The work consisted of reading the account line by line, attributing each entry to a counterparty and a category of transaction, and agreeing the resulting schedules with the group's own bookkeeper. Each related foreign party then had its own form. The engagement produced a reconciliation tying the ledger to the filings, which the group kept for its own records.
Read how this one runsA second related party found after one form had been filed
The client had filed a single form each year believing it covered the whole group. Reporting is by related foreign party, so an overseas company that had been charging the US entity for services was unreported. We reconstructed the ownership chain to confirm which parties sat at the reporting level, prepared the missing forms for the open years, and filed them with an explanation of the earlier misunderstanding rather than leaving the discrepancy for a reviewer to find. The engagement produced a corrected set of filings and a short memorandum recording which parties are reportable, so later years could be prepared without repeating the error.
Read how this one runsOutstanding filings cleared against a sale closing timetable
A buyer's diligence on a US subsidiary asked the seller to confirm that its information returns had been filed. They had not. The gap was found late in the process, with a closing date already agreed, so the work was sequenced to produce the oldest years first while the ownership history was still being confirmed. We prepared the outstanding forms, filed them, and set out in writing what had been filed and on what basis. The engagement produced the filings themselves and a disclosure schedule the parties could work from, in place of a representation the seller could not have given.
Read how this one runsClassification confirmed before any late form could be prepared
An overseas adviser had treated the client's US company as opaque in the home country and assumed the same treatment applied in the United States. Whether the entity is regarded or disregarded decides which party reports and what the reportable transactions are, so the classification had to be settled before a single form was drafted. We reviewed the formation documents, the ownership history and what had actually been elected, wrote up the position, and prepared the late filings on that footing. The engagement produced a documented classification position and the filings that follow from it.
Read how this one runsFilings completed before a planned dissolution went ahead
A client had already instructed a formation agent to wind up a US entity that had never filed, and we asked for the dissolution to be held. Once the entity is struck off, the records that support the outstanding years are much harder to assemble and there is nobody left to sign. The work was to bring every open year current, including a final short period, and then release the dissolution. The engagement produced the outstanding filings and a closing file recording what was filed for each year, so the winding up did not leave an unresolved reporting history behind it.
Read how this one runsTen Years of Missed Returns Filed as One Engagement
Filing many years at once is a sequencing problem: carry-forwards, instalments and credits from the earliest year feed the latest. Filing them out of order is what turns a recoverable position into an assessed one.
Read how this one runsA Second Opinion on a Return Already Filed
A cross-border return prepared on one side only is usually right in isolation and wrong in combination. The review checks residence, source and relief in that order, and says plainly whether an amendment is worth making.
Read how this one runsAll case studies — every published engagement in one place.
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Related-party purchasing, customs value versus transfer price, and foreign-affiliate structures put trading businesses inside the s.247 documentation rules.
Goods crossing a border move the tax question from income to indirect: registration thresholds, place of supply, the customs value and the transfer price between related entities all have to agree with each other. When they do not, the adjustment arrives from two authorities at once and each one uses the other's number.
- Transfer pricing documentation (s.247)
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Asked next about Form 5472
The dormant single-member company owned from abroad is the commonest version of this problem. The entity is invisible for US income tax and highly visible for this form, so there is no income tax return to remind anyone the filing exists. Dormant also rarely means nothing happened. Money the foreign owner put in to open the bank account, pay the registered agent or cover formation costs is itself a transaction between the entity and a related foreign party, which is exactly what the form reports. A year with no trade and no profit can therefore still be a reportable year.
Relief is asked for by filing the missing form with a statement of the facts rather than by correspondence on its own. What gives the statement weight is a documented chronology: when the entity was formed, who advised on it, what the owner was told about US filing, and when the gap was discovered and corrected. Not knowing the requirement existed is, by itself, a weak argument, because the obligation does not depend on the owner having been told about it. The stronger cases usually involve advice that was given and turned out to be wrong, with evidence that every open year was brought current at once.
The scope is set by the facts, not by a fixed look-back. The years that matter are those in which the entity existed, had a related foreign party at the reporting level of ownership, and had transactions with that party. In practice the work runs in that order: establish the ownership history from the formation documents and any transfers, identify each related foreign party year by year, then list the transactions for each of those years. Only then is it clear how many forms are outstanding. Ownership that changed midway through the period is the usual reason the count of forms is not simply one per year.
Both, and that is the part people underestimate. The unit is the form, and a form is required for each related foreign party, so a single late year for a company with an overseas parent and an overseas sister company is two exposures rather than one. Each year is then counted separately. A group that has not filed for a run of years, with two related foreign parties in each of them, is looking at a multiple of the headline figure, which is why the arithmetic is worth doing before deciding how to approach the correction. It is also why filing one form to cover a group does not close the position.
Dissolving does not retire years that are already open. The obligation attached to each year in which the entity existed and had reportable dealings with its foreign owner, and striking the company off a state register afterwards does not reach back to those years. It can also make the correction harder, because the records, the bank statements and the registered agent's file become difficult to obtain once the entity is gone and nobody is paying for it. The order that works is to bring the filings current first, including the final period, and then dissolve.
The corporation — specifically a US C corporation, where profit is taxed to the company and the dividend again to the shareholder. Sole proprietorships, partnerships and LLCs treated as flow-throughs are taxed once, in the owners' hands. Across borders that tidy answer breaks: an entity treated as a flow-through in one country can be opaque in the other, which produces a mismatch neither system planned for. See LLC against corporation for Canadians.
Not at full rates if the relief is claimed. The paying country usually withholds at source, capped by treaty where one applies and the paperwork is in place; your residence country then taxes the dividend and credits the foreign withholding against its own charge. Where the withholding exceeded the treaty rate because no declaration was filed, the excess is recovered from the paying country, not credited at home. See the dividends article.



