The short answer
Form 5472 reports certain transactions between a reporting corporation and related foreign or domestic parties. A reporting corporation generally includes a 25% foreign-owned U.S. corporation and, for these reporting rules, a U.S. disregarded entity wholly owned by a foreign person.
Zero income tax is not a filing exception. A foreign-owned U.S. disregarded entity may need Form 5472 with a pro forma Form 1120 when it has reportable transactions—even though it does not otherwise file Form 1120 as an income-tax return.
Who commonly encounters it
- A single-member U.S. LLC wholly owned by a non-U.S. individual or foreign entity and disregarded for U.S. income-tax purposes.
- A U.S. corporation with at least one direct or indirect 25% foreign shareholder.
- A foreign corporation engaged in a U.S. trade or business that has reportable related-party transactions.
What can count as a reportable transaction
The answer is broader than sales. Depending on the filer, reportable transactions can include amounts paid or received for inventory, services, rents, royalties, interest, loans, contributions, distributions, use of property, and other monetary or nonmonetary dealings with related parties.
For a foreign-owned U.S. disregarded entity, formation funding, owner-paid expenses, money moved between the owner and LLC, distributions, and certain contributions can be relevant. Good books and an owner-transaction ledger make the filing much easier to support.
How a foreign-owned disregarded entity files
The IRS instructions require Form 5472 to be attached to a limited pro forma Form 1120 and filed by the Form 1120 due date, including an approved extension. The entity generally needs an EIN. Special submission instructions apply, so do not use an ordinary Form 1120 address without checking the current instructions.
Form 7004 may be used to request an extension when filed by the regular due date. An extension to file is not automatically an extension to pay any tax that may independently be due.
Why the deadline matters
The IRS currently states that failure to file a complete and correct Form 5472 by the due date may trigger a $25,000 penalty for each failure. Additional continuation penalties may apply after an IRS notice if the failure continues. Reasonable-cause relief is fact-specific and should not be assumed.
What changes the analysis
- Whether the entity elected corporate treatment or has more than one owner.
- Whether there were related-party transactions during the year.
- Changes in ownership, classification, residence, or tax year.
- Whether the business had U.S.-source income or a U.S. trade or business.
- Whether other federal, state, owner, withholding, or foreign filings apply.