IRS Letter 6291 and Non-Filer Responses |
By US-UK Tax Advisors cross-border tax team · Last updated JUL 14, 2026
IRS Letter 6291 and Non-Filer Responses | Receiving correspondence from the Internal Revenue Service is stressful under any circumstances. For high-ne...
Key Takeaways
- Covers irs compliance for US-UK cross-border taxpayers
- Applies to US persons with UK ties and UK residents with US income
- Highlights the filing, reporting and tax-treaty points to check
- Get personalised advice before acting on your own facts
IRS Letter 6291 and Non-Filer Responses |
Receiving correspondence from the Internal Revenue Service is stressful under any circumstances. For high-net-worth families living outside the United States, that stress can increase significantly when the letter suggests that the IRS believes required tax returns have not been filed.
One of the notices that frequently creates concern among Americans abroad is IRS Letter 6291. While many taxpayers initially assume the notice was issued in error, others discover that historical filing obligations were overlooked years earlier. For affluent families with foreign bank accounts, private companies, trusts, investment portfolios, pensions, and international income streams, a non-filer inquiry can quickly evolve into a much broader compliance review.
In recent years, increased international information sharing, FATCA reporting, foreign financial institution disclosures, and IRS data matching have significantly improved the government's ability to identify taxpayers who may have filing obligations.
An IRS Streamlined Filing Experts adviser frequently assists taxpayers who receive IRS Letter 6291 after years of believing they had no remaining US filing requirements.
Understanding what the letter means and how to respond properly can significantly affect the outcome.
What Is IRS Letter 6291?
IRS Letter 6291 is generally associated with situations where the IRS believes a taxpayer may have failed to file required tax returns.
The letter typically requests clarification regarding:
Filing obligations.
Tax residency.
Income reporting.
Historical compliance.
Missing tax returns.
The specific facts will vary from case to case, but the notice should never be ignored.
Why the IRS Sends Non-Filer Letters
The IRS receives increasing amounts of information from:
Foreign banks.
Financial institutions.
Employers.
Government agencies.
Third-party reporting systems.
International information-sharing agreements.
When IRS records suggest a taxpayer should have filed returns, a non-filer inquiry may follow.
Why Americans Abroad Frequently Receive These Notices
Many Americans living overseas mistakenly believe:
Moving abroad ends US filing obligations.
Foreign income is automatically exempt.
Only local tax returns matter.
Foreign pensions are not reportable.
No tax due means no filing requirement.
These misconceptions frequently create compliance problems.
Why High-Net-Worth Families Face Greater Risk
Affluent taxpayers often maintain:
Foreign bank accounts.
Investment portfolios.
Private equity interests.
Family trusts.
Foreign corporations.
International partnerships.
The more complex the financial profile, the more likely information reporting may attract IRS attention.
Why FATCA Has Changed IRS Enforcement
The Foreign Account Tax Compliance Act significantly increased offshore transparency.
Official FATCA guidance can be found at:
https://www.irs.gov/businesses/corporations/foreign-account-tax-compliance-act-fatca
Foreign institutions routinely report information concerning US account holders.
As a result:
Account ownership becomes visible.
Foreign assets become easier to identify.
Non-filer risks increase.
Compliance reviews become more common.
Why Non-Filer Issues Often Extend Beyond Tax Returns
Many taxpayers initially believe the problem only involves missing Form 1040 filings.
However, broader issues frequently emerge.
Examples include:
FBAR reporting failures.
Form 8938 omissions.
Foreign trust reporting.
Foreign corporation reporting.
Partnership reporting.
International information return failures.
A comprehensive review is often required.
Why FBAR Compliance Matters
Many non-filer investigations uncover missing FBARs.
Official guidance can be found at:
https://www.fincen.gov/report-foreign-bank-and-financial-accounts
FBAR obligations may apply to:
Foreign bank accounts.
Investment accounts.
Joint accounts.
Corporate accounts.
Trust-related accounts.
Pension arrangements.
Failure to file can create substantial penalties.
Why Foreign Income Reporting Is Frequently Missed
Many Americans abroad incorrectly assume foreign income is not taxable.
Examples include:
Employment income.
Investment income.
Rental income.
Business profits.
Foreign pension income.
Trust distributions.
While credits and exclusions may reduce tax liability, reporting obligations often remain.
Why Foreign Companies Create Additional Exposure
Many high-net-worth families own:
UK limited companies.
Holding companies.
Consulting businesses.
Family enterprises.
Investment entities.
Foreign corporation reporting failures frequently accompany non-filer situations.
Why Foreign Trusts Require Careful Review
Trust structures often create complex reporting requirements.
Examples include:
Family trusts.
Asset protection trusts.
Investment trusts.
Estate planning structures.
Trust reporting failures frequently require specialist analysis.
Why Documentation Is Critical
Responding effectively often requires:
Historical tax records.
Bank statements.
Investment records.
Trust documents.
Corporate records.
Immigration records.
Strong documentation helps establish the facts accurately.
Why IRS Letter 6291 Should Never Be Ignored
Ignoring a non-filer inquiry may create additional risks.
Potential consequences include:
Expanded IRS reviews.
Additional notices.
Penalty exposure.
Assessment activity.
Collection concerns.
Increased compliance costs.
Prompt action is generally advisable.
Why Streamlined Filing May Be Relevant
Many taxpayers who receive non-filer notices discover historical compliance issues that may qualify for review under the IRS Streamlined Filing Procedures.
Official streamlined guidance can be found at:
https://www.irs.gov/compliance/streamlined-filing-compliance-procedures
The program was designed for eligible taxpayers whose compliance failures were non-willful.
For qualifying individuals, streamlined filing may provide a structured path toward compliance.
Why Timing Matters
The timing of an IRS inquiry often affects the options available.
Questions frequently include:
Has the IRS started an examination?
Have multiple notices been issued?
Has enforcement activity begun?
Has a response deadline passed?
Early action frequently provides greater flexibility.
Why Family Offices Review Non-Filer Risks
Sophisticated family offices regularly evaluate:
Historical compliance.
International reporting.
Trust structures.
Corporate ownership.
Offshore assets.
Potential IRS exposure.
The objective is to identify issues before government intervention occurs.
Why Professional Advice Matters
Many taxpayers attempt to respond independently.
Unfortunately, non-filer cases often involve:
Multiple years of returns.
Foreign asset reporting.
Offshore compliance issues.
Trust reporting.
Corporate reporting.
Penalty exposure.
Professional review frequently identifies issues that taxpayers may overlook.
Common Mistakes High-Net-Worth Families Make
An IRS Streamlined Filing Experts adviser frequently encounters mistakes such as:
Ignoring IRS letters.
Assuming the notice is incorrect.
Responding without reviewing all compliance obligations.
Focusing only on tax returns.
Overlooking FBAR filings.
Ignoring foreign trusts.
Failing to evaluate streamlined eligibility.
Waiting too long to seek advice.
These mistakes often increase risk.
A Practical Example
Consider a US citizen living in London for more than a decade.
The taxpayer maintained:
Foreign bank accounts.
Investment portfolios.
A UK company.
Private pension arrangements.
Believing that UK tax compliance was sufficient, the taxpayer stopped filing US returns.
Several years later, IRS Letter 6291 arrives requesting clarification regarding missing filings.
A comprehensive review identifies multiple reporting obligations extending far beyond the tax returns themselves.
This scenario is increasingly common among affluent Americans abroad.
Why Early Action Protects Options
Prompt review may help taxpayers:
Understand the IRS concerns.
Identify missing filings.
Evaluate compliance programs.
Prepare documentation.
Reduce uncertainty.
Address offshore issues efficiently.
For high-net-worth families, early action is often beneficial.
Why Professional Representation Matters
IRS Letter 6291 cases frequently involve:
Non-filed tax returns.
FBAR reporting.
FATCA compliance.
Foreign trusts.
Foreign corporations.
Cross-border tax matters.
A knowledgeable IRS Streamlined Filing Experts adviser can help taxpayers evaluate the situation and determine the most appropriate response.
How US-UK Tax Can Help
US-UK Tax advises entrepreneurs, executives, investors, retirees, trustees, and family offices on complex international tax matters.
Our team regularly assists clients with:
IRS Streamlined Filing Experts
IRS Letter 6291 responses.
Non-filer investigations.
FBAR compliance.
FATCA reporting.
Foreign trust reporting.
Foreign corporation reporting.
Streamlined filing submissions.
We help taxpayers resolve compliance concerns while minimizing unnecessary risk.
Conclusion
IRS Letter 6291 should never be ignored. While receiving a non-filer inquiry can be unsettling, many taxpayers still have options available to address historical compliance issues.
For high-net-worth families with foreign accounts, trusts, corporations, investments, and international income, a non-filer review often reveals broader reporting obligations that require careful attention.
Working with experienced advisers familiar with IRS Streamlined Filing Experts can help taxpayers understand their obligations, respond appropriately, and move toward long-term compliance with confidence.
Contact Us
US-UK Tax
Website: https://www.us-uktax.com
Email:
Phone: 0333 880 7974
FAQs
What is IRS Letter 6291?
IRS Letter 6291 is generally associated with situations where the IRS believes required tax returns may not have been filed.
Should IRS Letter 6291 be ignored?
No. Prompt review and response are generally advisable to avoid additional compliance complications.
Why do Americans abroad receive non-filer notices?
Many misunderstand ongoing US filing obligations after moving overseas, leading to missed returns and reporting failures.
Can FBAR issues be discovered during a non-filer review?
Yes. Missing FBAR filings are frequently identified alongside missing tax returns.
Is streamlined filing relevant after receiving a notice?
Possibly. Eligibility depends on the facts, timing, and compliance history of the taxpayer.
Why seek specialist advice?
Non-filer cases often involve tax returns, FBARs, FATCA reporting, trusts, corporations, and offshore compliance issues.
