Form 5471: Own a Foreign Corporation as a US Citizen? You Have an Annual IRS Filing Requirement — and a $10,000 Penalty if You Miss It.

US citizens, green card holders, and US residents who own 10% or more of the voting stock or value of a foreign corporation must file Form 5471 annually with their Form 1040. The obligation also applies to US persons who are officers or directors of a foreign corporation in which any US person owns 10% or more — regardless of whether they personally own shares. Indirect ownership through partnerships, trusts, or other entities can also trigger the requirement. The test is based on ownership facts at any point during the tax year.

The IRS automatically assesses a $10,000 penalty per Form 5471 per tax year — assessed without proof of intent, and without prior notice. If the IRS sends a notification of failure and the form remains unfiled for 90 days, an additional $10,000 penalty accrues for each 30-day period, up to a maximum of $50,000 per form per year. If you missed Form 5471 for 4 years, you potentially face up to $200,000 in penalties before any income tax issues are addressed.

Beyond the financial penalty: every year with a missing Form 5471 leaves the statute of limitations on your entire Form 1040 permanently open — meaning the IRS can audit your full return for that year indefinitely, not just the 5471-related items.

A Controlled Foreign Corporation (CFC) is a foreign corporation in which US shareholders — each owning 10% or more — collectively own more than 50% of the total voting power or value. Most expat business owners who own the majority of their foreign company are CFC shareholders. CFC status triggers Category 5 Form 5471 filing (the most complex category) and adds two additional income inclusion regimes: Subpart F income and GILTI, both of which can result in US taxable income being recognized at your personal level even when the corporation retains all earnings and pays no dividend.

Yes — completely. There is no minimum revenue, asset value, or activity threshold for Form 5471. A dormant foreign holding company with zero income, zero employees, and zero transactions still requires Form 5471 every year you maintain the qualifying ownership interest. The filing requirement is triggered by the ownership structure, not by corporate activity. The $10,000 penalty for non-filing applies equally to dormant and active companies.

GILTI (Global Intangible Low-Taxed Income) is a minimum tax on CFC income introduced by the 2017 Tax Cuts and Jobs Act. It taxes US shareholders on a deemed portion of their CFC's annual income — specifically, income exceeding a 10% return on the CFC's tangible depreciable assets. For most service businesses, consulting firms, and tech companies (which have limited physical assets), nearly all income is potentially subject to GILTI.

For individual US shareholders without a Section 962 election, GILTI is taxed at ordinary income rates — up to 37%. The Section 962 election allows individuals to be taxed as if they were a C corporation, applying the 50% GILTI deduction and a more favorable foreign tax credit — potentially reducing the effective GILTI rate substantially for CFCs that pay foreign taxes. Mark evaluates the Section 962 election for every CFC shareholder client, each year.

You have two main paths — and the right one depends on your situation. First, file amended returns (Form 1040-X) for each missed year with the Form 5471 attached. The IRS will assess penalties, but a Reasonable Cause abatement request may reduce or eliminate them if you genuinely did not know about the requirement. Second, if your failure to file was non-willful (i.e., you did not know, and did not deliberately evade), you may qualify for the IRS Streamlined Foreign Offshore Procedure, which can result in complete penalty waiver. Mark assesses eligibility for Streamlined at every client consultation involving missed years. The worst option is to do nothing — penalties continue to accrue with each passing year.

Almost certainly not, if you are a US citizen or green card holder. This is one of the most common situations Mark encounters: a client's local accountant in their country of residence correctly managed all domestic filings but had no knowledge of — and no reason to be familiar with — US international tax obligations. The Form 5471 requirement is a US law obligation. It is entirely separate from any corporate filing your local accountant handles, and it is completely invisible to advisors who work only in the local tax system. Your local accountant is not wrong about local obligations; they are simply not qualified to advise on US reporting requirements. That is exactly what Mark is for.

Under IRC Section 6501(c)(8), if a required information return — including Form 5471 — is not filed, the statute of limitations on the filer's entire Form 1040 does not begin to run for that year. This means that the IRS can assess additional tax, examine any line item, and propose adjustments to your entire return — not just the CFC-related items — for any year in which Form 5471 was missing. There is no time limit. A year from 2015 with a missing Form 5471 remains permanently open today. Filing all missing Form 5471s (via amended returns) is the only way to close those years and start the three-year limitations clock.

Form 5471 is filed by a US person (citizen, green card holder, or resident) who owns 10% or more of a foreign corporation. Form 5472 is filed by a US corporation or LLC that is 25% or more owned by a foreign person. The two forms are the mirror image of each other: 5471 is about US people owning foreign entities; 5472 is about foreign people owning US entities. In some cross-border structures, both forms may apply in the same year. The penalty structure is also different: $10,000 per year for Form 5471; $25,000 per year for Form 5472.

Yes — through two main avenues. First, Reasonable Cause penalty abatement (Form 843): if you can demonstrate that your failure to file was due to circumstances outside your control and that you acted in good faith, the IRS has broad authority to waive the penalty. Relying on a local accountant who did not know about US reporting obligations, genuine unawareness of the requirement, or recent relocation abroad are all factual grounds Mark has used successfully in abatement requests. Second, the IRS Streamlined Foreign Offshore Procedure for non-willful expat filers waives penalties entirely for qualifying submissions. Mark prepares both types of requests and assesses which applies to your situation.

Form 5471 is filed as an attachment to your Form 1040 federal tax return — not as a standalone filing. It is due on the same date as your return, including any extensions. For US citizens living abroad, the automatic extended deadline is June 15, with an additional extension to October 15 available on request (Form 4868). If you file the return on extension, Form 5471 is due on the same extended date. Mark integrates Form 5471 preparation into your full annual return package — it is not a separate engagement.