Form 5472 Related Party Analysis: Who Counts as a Related Party Under U.S. Tax Law
Updated: Jun 29

Written and reviewed by Arik Rozen, CPA, MBA — Head of Tax Filing Department, Form5472.online | Virginia Board of Accountancy License #025991
Why Related Party Identification Matters for Form 5472
Form 5472 is not filed in isolation. It is filed to report transactions between a U.S. reporting entity and its foreign related parties. Before a single line of the form can be completed correctly, you must identify every related party — including those you may not immediately recognize as related under U.S. tax law.
Missing a related party is not a minor error. It results in a substantially incomplete Form 5472, which the IRS treats the same as a failure to file. The automatic penalty is $25,000 per form under IRC §6038A(d)(1). For this reason, related party identification is the first step our licensed CPAs complete before any form preparation begins.
What Is a Related Party Under IRC Section 6038A?
For Form 5472 purposes, a related party is defined under IRC Section 6038A as any of the following:
Any direct or indirect 25% foreign shareholder of the reporting corporation
Any person related to the reporting corporation under IRC Section 267(b)
Any person related to the reporting corporation under IRC Section 707(b)(1)
Any person related to a 25% foreign shareholder under IRC Section 267(b) or 707(b)(1)
Any other person who is related to the reporting corporation within the meaning of IRC Section 482
Note: A corporation filing a consolidated federal income tax return with the reporting corporation is excluded from the related party definition.
What Is a 25% Foreign Shareholder?
A corporation is considered 25% foreign owned if it has at least one direct or indirect foreign shareholder who owns 25% or more of either the total voting power of all classes of stock entitled to vote, or the total value of all classes of stock of the corporation — at any time during the tax year.
For foreign-owned single-member LLCs, the foreign owner holds 100% ownership and is always a 25% foreign shareholder by definition.
Direct vs. Indirect Ownership
Direct 25% Foreign Shareholder
A direct 25% foreign shareholder is a foreign person who directly owns at least 25% of the stock of the reporting corporation by vote or value. This is the most straightforward ownership scenario — for example, a German individual who owns 100% of a Delaware LLC directly.
Indirect 25% Foreign Shareholder
Indirect ownership is where related party analysis becomes complex. A foreign person is an indirect 25% foreign shareholder if their ownership of the reporting corporation is attributed to them through one or more intermediate entities.
Example: A Hong Kong company owns 100% of a Singapore holding company, which owns 100% of a U.S. Delaware LLC. The Hong Kong company is an indirect 25% foreign shareholder of the U.S. LLC and is a related party for Form 5472 purposes, even though it has no direct ownership stake in the LLC.
Related Parties Under IRC Section 267(b)
IRC Section 267(b) defines relationships between persons for tax purposes. For Form 5472, the following relationships under Section 267(b) create related party status:
An individual and a corporation if the individual owns more than 50% of the outstanding stock of the corporation (by value)
Two corporations that are members of the same controlled group
A grantor and a fiduciary of any trust
A fiduciary of a trust and a beneficiary of that trust
A fiduciary of a trust and a fiduciary of another trust if the same person is a grantor of both trusts
A fiduciary of a trust and a corporation if more than 50% of the stock is owned by or for the trust or by or for a grantor of the trust
A person and a tax-exempt organization controlled by that person or their family members
A corporation and a partnership if the same persons own more than 50% of the outstanding stock of the corporation and more than 50% of the capital interest or profits interest in the partnership
Two S corporations if the same persons own more than 50% of the outstanding stock of each corporation
Two corporations if one is a personal holding company or foreign personal holding company and both are controlled by the same person
Related Parties Under IRC Section 707(b)(1)
IRC Section 707(b)(1) extends the related party definition to partnership structures. A partner and a partnership are related if the partner owns more than 50% of the capital interest or profits interest in the partnership. Two partnerships are related if the same persons own more than 50% of the capital interests or profits interests in both partnerships.
Family Attribution Rules
Under the constructive ownership rules of IRC Section 318 — as modified for Form 5472 purposes — family members can be treated as related parties even when they have no direct ownership in the reporting entity.
Family members that may be attributed ownership include:
Spouse
Children (including adopted children)
Grandchildren
Parents
Important modification for Form 5472: The constructive ownership rules of Section 318 apply with modifications. The 50% threshold in Section 318(a)(2)(C) is replaced with 10%. Sections 318(a)(3)(A), (B), and (C) do not apply — meaning a U.S. person is not treated as owning stock owned by a foreign person.
Practical example: A Brazilian individual owns 100% of a U.S. LLC. His spouse, even if not listed on any LLC document, may be identified as a related party in certain structures under the family attribution rules. Our CPA team reviews family ownership structures before every filing to identify all attribution chains.
Constructive Ownership Through Entities
Ownership can also be attributed through entities — corporations, partnerships, and trusts — in either direction:
Attribution From Entities to Owners
If a partnership, estate, trust, or corporation owns stock in a reporting corporation, the partners, beneficiaries, or shareholders are treated as owning a proportional share of that stock. For example, if a foreign trust owns 40% of a U.S. corporation, the beneficiaries of the trust may be treated as owning a proportional share of the corporation's stock.
Attribution From Owners to Entities
Stock owned by a partner is treated as owned by the partnership proportionally. Stock owned by a shareholder who owns 10% or more of the value of a corporation is treated as owned by that corporation.
Ultimate Indirect 25% Foreign Shareholder
The IRS uses the concept of the "ultimate indirect 25% foreign shareholder" to identify the top of the ownership chain. This is the 25% foreign shareholder whose ownership of the reporting corporation cannot be attributed further up to another 25% foreign shareholder under the principles of IRC Sections 958(a)(1) and (2).
In practice, this means our related party analysis traces the ownership chain all the way to the top — identifying not just the immediate foreign owner but every entity and individual through which ownership flows.
Common Situations Where Related Parties Are Missed
Spouse of the foreign owner who has no formal ownership stake but is attributed ownership under Section 318
A foreign parent company of the immediate foreign owner — indirect ownership through a holding structure
A sibling company — another U.S. or foreign entity owned by the same foreign parent
A trust established by the foreign owner for estate planning purposes
A foreign partner in a partnership that owns the U.S. entity
A controlled foreign corporation (CFC) owned by the same individual who owns the U.S. reporting entity
A foreign entity in which the reporting corporation's owner holds a significant interest
One Form 5472 Per Related Party
A separate Form 5472 must be filed for each foreign related party with whom the reporting corporation had reportable transactions during the tax year. If your U.S. LLC had transactions with three related parties — for example, the direct foreign owner, a sibling company, and a foreign parent — three separate Forms 5472 must be filed, each with its own $25,000 penalty exposure for non-compliance.
This is why related party identification must be completed before preparation begins. Missing one related party means missing one entire Form 5472, which is a $25,000 automatic penalty per year.
How Form5472.online Conducts Related Party Analysis
Our licensed CPA team completes a full related party analysis as the first step of every Form 5472 engagement. This includes:
Identifying the direct 25% foreign shareholder and confirming ownership percentage
Tracing indirect ownership through holding companies, trusts, and partnerships
Applying family attribution rules under IRC Section 318 as modified for Form 5472
Identifying all entities under common control with the reporting corporation
Determining how many separate Forms 5472 are required based on the number of related parties
Documenting the ownership structure for the IRS-ready filing package
This analysis is completed before a single form is prepared. It is what allows us to issue our Zero-Penalty Guarantee — if a penalty is issued due to our error, we represent you with the IRS at no additional charge.
For a complete guide to Form 5472 filing requirements, deadlines, and penalty information, read our comprehensive guide: form5472.online/post/form-5472-comprehensive-guide-foreign-owned-llc
Arik Rozen, CPA, MBA is a U.S. Certified Public Accountant licensed by the Virginia Board of Accountancy (License #025991) since September 2001. He leads the tax filing department at Form5472.online, part of TAXUSA GROUP, registered in Brooklyn, NY 11230. Every tax return filed through Form5472.online is prepared by our licensed CPA team and reviewed and signed under his CPA license.




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