Filabl Blog
Form 5472 Guides & Resources
Everything you need to know about filing IRS Form 5472 and staying compliant as a foreign-owned US LLC owner.
I Missed the April 15 Form 5472 Deadline — Am I In Trouble?
A calm, honest answer for foreign LLC owners who just realized they missed the Form 5472 deadline. What the IRS actually does, why you are probably not in serious trouble yet, and the one thing to do this week.
Read articleThe IRS Sent Me a Form 5472 Notice. What Do I Do Now?
If you received an IRS notice about a missing or late Form 5472, here is what it means, what the deadlines are, and how to respond with a reasonable cause request or First-Time Abatement. Written for people who are already past the "file voluntarily" window.
Read articleDo I Need to File Form 5472 if My LLC Had Zero Transactions?
The short answer is "probably yes, and the reason surprises most people." Capital contributions, formation payments, and owner expenses count as reportable transactions even in years with no business activity. Here is what actually counts and what truly qualifies for the no-filing exception.
Read articleThe 25% Foreign Ownership Rule: Who Actually Triggers Form 5472
Form 5472 applies when a US LLC or corporation is at least 25% foreign-owned. But what counts as 25%, what counts as foreign, and how the rule applies to single-member LLCs (100% automatic). With direct and constructive ownership worked out.
Read articlePro Forma Form 1120 + Form 5472: What Gets Filled Out (and What Stays Blank)
A technical walkthrough of what actually goes on a Form 5472 + pro forma 1120 package for a foreign-owned US LLC. Line by line, with the IRS rules: why most of Form 1120 stays empty, what the Part V attachment looks like, and how the pieces fit together.
Read articleCan I File Form 5472 for Multiple Past Years at Once? Yes, Here is How
How to catch up on multiple missed Form 5472 years in a single submission. Covers which forms to use for each year, how to structure a reasonable cause statement across years, and what IRS practice looks like per DIIRSP.
Read articleForm 5472 Penalties Explained: The $25,000 Line Foreign LLC Owners Miss
The $25,000 Form 5472 penalty under IRC §6038A(d) explained with citations: when it applies, how the continuation penalty stacks, how reasonable cause abatement works, and what first-time filers actually face in practice.
Read articleReasonable Cause for Form 5472: What Actually Works (and What IRS Rejects)
How to write a Form 5472 reasonable cause statement that holds up. The four elements the IRS evaluates per IRM 20.1.1.3.2, sample language that works, and anti-patterns the IRS has specifically rejected.
Read articleMissed the Form 5472 Deadline? What Happens and How to Catch Up on Any Year
Missed the April 15 Form 5472 deadline? Here is exactly what the IRS does, what penalties apply under IRC §6038A(d), and how to catch up on any prior year (2019 onward).
Read articleStripe Atlas LLC: How to File Form 5472 as a Foreign Founder (2026)
Incorporated with Stripe Atlas? Your foreign-owned LLC must file Form 5472 every year or face a $25,000 penalty. Here is exactly how to do it.
Read articleWhat Are Reportable Transactions on Form 5472?
Learn what counts as a reportable transaction on IRS Form 5472 Part V, including capital contributions, distributions, loans, services, and rent.
Read articleDo I Need a CPA to File Form 5472?
Find out whether you need a CPA or tax professional to file IRS Form 5472 for your foreign-owned LLC, and what alternatives are available.
Read articleForm 5472 vs Form 5471: What's the Difference?
Understand the key differences between IRS Form 5472 and Form 5471. Learn which one applies to your situation as a foreign business owner.
Read articleForeign-Owned LLC Tax Requirements: Everything You Need to Know
Complete overview of US tax obligations for foreign-owned LLCs, including Form 5472, FBAR, state taxes, annual reports, and other compliance requirements.
Read articleHow to Send Form 5472 to the IRS: Fax, Mail, or Online?
Learn how to submit Form 5472 to the IRS. The IRS accepts fax and mail but not e-file. Get the IRS fax number and understand why fax is the best option.
Read articleWhat Is a Pro Forma Form 1120? Why Foreign-Owned LLCs Need It
Understand what a pro forma Form 1120 is, why the IRS requires it with Form 5472, and how to fill it out for your foreign-owned disregarded entity LLC.
Read articleForm 5472 Deadline 2026: Key Dates and Penalty for Late Filing
Learn the Form 5472 due date for 2026, how to get a filing extension, and what happens if you file late. The penalty is $25,000 per form.
Read articleHow to File IRS Form 5472: Complete Guide for Foreign-Owned LLCs (2026)
Step-by-step instructions for filing IRS Form 5472. Learn who needs to file, what information you need, and how to submit your form to the IRS.
Read articleBy country
Form 5472 guides for your country
Tax treaty considerations, deadlines, and local reporting for foreign-owned LLC owners.
United Kingdom
Guide for British owners
Canada
Guide for Canadian owners
India
Guide for Indian owners
Germany
Guide for German owners
Brazil
Guide for Brazilian owners
Mexico
Guide for Mexican owners
France
Guide for French owners
Australia
Guide for Australian owners