Introduction
You moved from Boston to Manchester in 2017 to marry your UK partner. You have not filed a US tax return since 2018. You have a UK PAYE salary, your UK spouse has a UK PAYE salary, you jointly hold a Lloyds current account and a Nationwide savings account, you each have a UK workplace pension, and you have one child born in 2021 who is a US-UK dual citizen. You have just discovered through an American friend that you should have been filing US returns the entire time. The IRS Streamlined Procedures offer the principal voluntary disclosure route for non-willful past non-compliance with zero federal penalties for eligible filers. Still, the framework operates differently for married couples than for single filers — the filing status decision, the spouse identification through ITIN application, the joint non-willfulness certification, and the 330-day non-residency test are applied separately to each spouse, all adding complexity that generalist preparation typically does not handle.
This guide is written for married couples where one or both spouses are US citizens living in the UK with multiple years of missed US tax filings, mixed-citizenship couples evaluating the IRC Section 6013(g) MFJ election alongside Streamlined catch-up, dual US-UK citizen couples in England, Scotland, Wales, or Northern Ireland needing comprehensive Streamlined remediation, and Green Card holders in the UK who assumed all US tax obligations ended on departure. By the end, you will know exactly how the IRS Streamlined Procedures apply to married couples in the UK. For our broader cross-border service overview, see our Streamlined Foreign Offshore Procedures service.
What Are IRS Streamlined Procedures for Married Couples (Definition and Overview)
The IRS Streamlined Procedures are voluntary disclosure programs for US persons with non-willful past US tax non-compliance, operating in two parallel tracks — Streamlined Foreign Offshore Procedures (SFOP) for US persons living abroad (typically applicable to Americans in the UK), and Streamlined Domestic Offshore Procedures (SDOP) for US persons living in the United States. The IRS Streamlined Procedures reference sits at https://www.irs.gov/individuals/international-taxpayers/streamlined-filing-compliance-procedures.
For married couples the framework operates substantially the same as for single filers but with several married-couple-specific considerations — the filing status decision (Married Filing Jointly (MFJ) versus Married Filing Separately (MFS) versus Head of Household where applicable), the spouse identification requirements (ITIN via Form W-7 for non-US-citizen UK spouses), the joint non-willfulness certification on Form 14653 signed by both spouses where joint filing applies, the 330-day non-residency test applied separately to each spouse, and the parallel FBAR catch-up filing required separately by each spouse on their respective UK accounts.
The Streamlined Foreign Offshore Procedures covers three years of late or amended Form 1040 plus six years of FBAR catch-up via FinCEN BSA E-Filing System at https://bsaefiling.fincen.treas.gov plus the Form 14653 non-willfulness narrative, with zero federal penalties for eligible non-willful filers. The Streamlined Domestic Offshore Procedures equivalent applies a 5 percent miscellaneous offshore penalty to the highest year-end aggregate balance of certain foreign financial assets. Still, it is rarely relevant for married couples living in the UK, who almost always qualify for SFOP instead.
This matters specifically in 2026 because the September 2025 FATCA Intergovernmental Agreement data feed transmitted approximately 2.4 million US-person UK account records to the IRS, with the IRS automated detection algorithms now identifying compliance gaps progressively — the Streamlined window for clean voluntary disclosure narrows as IRS contact closes the door, making proactive specialist engagement materially more important than at any previous point.
Who Qualifies — US Expats in the UK Explained
Married couples living in the UK qualify for the Streamlined Foreign Offshore Procedures where they satisfy the 330-day non-residency test (each spouse separately, where joint filing applies the test must be satisfied by at least one spouse with the other spouse meeting the test or otherwise qualifying), the non-willfulness standard (no concealment intent, no offshore structures, no attempt to avoid US tax — the failures arose from oversight, generalist preparer non-compliance, or ignorance of the underlying obligation rather than deliberate evasion), and the absence of any IRS contact for the underlying issue before submission.
US citizens living in the UK qualify regardless of how long they have been UK residents, their UK Self Assessment compliance status, or whether UK tax has been paid in full via PAYE or Self Assessment. The IRS Publication 54 reference sits at https://www.irs.gov/publications/p54.
UK-specific misconceptions to address. First — "The US-UK tax treaty means I don't have to file in both countries." This is wrong. The US-UK Income Tax Convention (1975 as amended) provides credit relief through Form 1116, the Foreign Tax Credit, and treaty positioning through Form 8833. Still, it does not eliminate the Form 1040 filing obligation for US citizens. The Article 1(4) Saving Clause preserves US worldwide taxation on US citizens regardless of treaty residence.
Second — "I pay UK taxes via PAYE or Self Assessment, so I don't owe the IRS." This is not necessarily true. UK PAYE typically covers UK tax liability on UK salary, but does not eliminate the US Form 1040 filing obligation, and any US-source income (US dividends, US 401(k), US Social Security, US LLC distributive shares) may produce US tax not covered by UK PAYE.
Third — "I've been in the UK for 10+ years, so that the IRS won't find me." This is increasingly risky given the FATCA Intergovernmental Agreement data feed, which transmitted 2.4 million US-person UK account records to the IRS in September 2025 — automated detection has materially increased over the past 24 months.
Fourth — "My UK ISA doesn't need to be reported." This is incorrect. UK Cash ISAs and UK Stocks and Shares ISAs are FBAR reportable as foreign financial accounts and Form 8938 FATCA reportable as specified foreign financial assets where thresholds are met. The underlying fund positions inside a UK Stocks and Shares ISA are PFICs under IRC Section 1297, requiring annual Form 8621 filings. The IRS Form 8938 reference sits at https://www.irs.gov/forms-pubs/about-form-8938.
The Married Couple Filing Status Decision for Streamlined Procedures Submissions
Both spouses are US citizens — Married Filing Jointly versus Married Filing Separately.
For married couples where both spouses are US citizens, the filing status decision is between Married Filing Jointly and Married Filing Separately. MFJ produces a doubled standard deduction ($30,000 for 2025 versus $15,000 MFS), wider tax brackets, the ability to gift-split under IRC Section 2513, doubling the annual exclusion to $38,000 per donee, joint refundable Additional Child Tax Credit eligibility where qualifying children are present, and combined Form 1116 Foreign Tax Credit positioning across both spouses' UK income. MFS produces narrower brackets but allows a separate compliance assessment.
For typical UK-resident American couples, both filing under Streamlined Procedures, MFJ is almost always preferable. The combined Form 1116 FTC absorbs US tax on both UK salaries (UK higher-rate tax typically exceeds the equivalent US tax), the refundable Additional Child Tax Credit unlocks for qualifying children under IRC Section 24, and Roth IRA contribution capacity is preserved for both spouses under IRC Section 219.
US citizen married to a non-US citizen, UK spouse.
For a US citizen married to a non-US citizen UK spouse, the filing status decision adds a further dimension through the IRC Section 6013(g) Married Filing Jointly election. Under default rules, a U.S. citizen married to a non-resident alien spouse files MFS, with the non-resident alien spouse's UK income excluded entirely from Form 10. The IRS Publication 519 reference sits at https://www.irs.gov/publications/p519.
The IRC Section 6013(g) election allows the non-resident alien spouse to be treated as a US resident for income tax purposes, enabling MFJ filing with the spouse's UK income included on Form 1040. The election is irrevocable once made without IRS consent under IRC Section 6013(g)(4)(B) — making specialist multi-year modeling before Streamlined submission essential. The Streamlined catch-up package locks in the chosen filing status for the catch-up years.
Both spouses are dual US-UK citizens.
For married couples where both spouses are dual US-UK citizens, the filing status decision is structurally identical to the both-US-citizens position — MFJ versus MFS — but with the added consideration that both spouses are subject to US worldwide taxation under the Article 1(4) Saving Clause, regardless of UK residence. MFJ is typically preferable for the same reasons as above.
Step-by-Step: How US Expats in the UK File IRS Streamlined Procedures as Married Couples
The first step is the comprehensive position diagnostic for both spouses. The specialist documents each spouse's worldwide income, worldwide UK accounts, US filing history, citizenship status, UK Statutory Residence Test position under Schedule 45 FA 2013, and any prior IRS contact. Both spouses' positions must be analyzed together because the joint Streamlined submission depends on the combined picture.
The second step is the 330-day non-residency test analysis for each spouse separately. For Streamlined Foreign Offshore Procedures, each spouse must satisfy the 330-day non-residency test (physical presence outside the United States for at least 330 full days in any one of the prior three calendar years), and the joint filing position requires both spouses to qualify. Most married couples living continuously in the UK satisfy the test cleanly.
The third step is the filing status decision and, where applicable, the ITIN application. For a US citizen married to a non-US citizen UK spouse, where MFJ via IRC Section 6013(g) election is the chosen filing status, a Form W-7 ITIN application is required for the UK spouse with certified original identification documentation through an IRS Certifying Acceptance Agent (CAA) in the UK (the US Embassy in London does not provide ITIN certification services). The IRS Form W-7 reference sits at https://www.irs.gov/forms-pubs/about-form-w-7.
The fourth step is the three-year Form 1040 catch-up preparation. For Streamlined Foreign Offshore Procedures, the three years of late or amended Form 1040 are typically the most recent three years for which the original due date has passed. Each year's Form 1040 is prepared with Form 1116 Foreign Tax Credit positioning (typically preferable to Form 2555 FEIE for UK higher-rate earners with children to preserve refundable Additional Child Tax Credit eligibility and Roth IRA contribution capacity), Form 8833 treaty election on UK workplace pensions and SIPPs under Article 18(5), Form 8621 PFIC analysis on underlying UK fund holdings, Form 8938 FATCA where thresholds met, Schedule 8812 refundable ACTC for qualifying children, and any other required forms.
The fifth step is the six-year FBAR catch-up preparation. Each spouse files their own FBAR separately via FinCEN BSA E-Filing covering the six most recent calendar years for which the original due date has passed. Joint accounts are reported on both spouses' FBARs. The FinCEN BSA E-Filing reference sits at https://bsaefiling.fincen.treas.gov.
The sixth step is preparing the Form 14653 non-willfulness certification. Form 14653 (Certification by U.S. Person Residing Outside of the United States for Streamlined Foreign Offshore Procedures) is signed by both spouses where joint filing applies, documenting the non-willful conduct, the reasons for the past non-compliance (typically reliance on a UK-only generalist accountant, ignorance of US worldwide taxation, generic confusion about US-UK tax treaty coverage), and the absence of concealment intent. The narrative must be specific to each spouse's position, given that the facts differ.
The seventh step is submitting the comprehensive package to the IRS Streamlined Filing Compliance Procedures unit in Austin. The submission includes the three amended or late Form 1040s (paper filing required for Streamlined; e-filing not available), the six years of FBARs via a separate FinCEN BSA E-Filing submission, the Form 14653 non-willfulness narrative, and any supporting schedules. Acceptance typically arrives in approximately 18-24 weeks.
The eighth step is establishing an integrated, going-forward annual workflow. The 2025 and later filings are prepared under an integrated specialist workflow combining Form 1040 with Form 1116 FTC positioning, Form 8833 treaty election, Form 8621 PFIC analysis, FBAR via FinCEN BSA E-Filing on every UK account, Form 8938 FATCA, and integrated UK Self Assessment.
The Streamlined Filing Compliance Procedures — What UK Married Couples Need to Know
The Streamlined Foreign Offshore Procedures (SFOP) is the principal voluntary disclosure program for US persons living outside the United States with non-willful past tax non-compliance. The package consists of three years of late or amended Form 1040 plus six years of FBAR via FinCEN BSA E-Filing plus the Form 14653 non-willfulness certification, with zero federal penalties for eligible filers, the 5 percent miscellaneous offshore penalty waived entirely (which applies to the parallel Streamlined Domestic Offshore Procedures), and no statute of limitations protection on the underlying years for IRS audit purposes (though IRS audit on Streamlined submissions is typically rare absent fraud indicators).
The Streamlined Domestic Offshore Procedures (SDOP) applies to US persons living in the United States with non-willful past non-compliance, with a 5 percent miscellaneous offshore penalty applied on the highest year-end aggregate balance of certain foreign financial assets during the covered period. SDOP is rarely relevant for married couples living in the UK who almost always satisfy the 330-day non-residency test and qualify for SFOP instead.
Americans living in the UK almost always qualify for SFOP. The 330-day non-residency test is easily satisfied by typical UK-resident American couples with continuous UK presence. The non-willfulness standard is satisfied where the past non-compliance arose from oversight, reliance on a UK-only generalist accountant, ignorance of US worldwide taxation, or generic confusion about US-UK tax treaty coverage rather than deliberate concealment.
The non-willfulness certification on Form 14653 must include an auda narrative explaining the reasons for the past non-compliance. The narrative for married couples must address each spouse's individual position where the facts differ — typical narratives cover the prior reliance on a UK-only generalist accountant who did not address US-side filing requirements, the misunderstanding that UK PAYE or Self Assessment compliance eliminated US filing obligations, the absence of any prior specialist advice on cross-border tax requirements, and the proactive remediation through Streamlined submission upon learning of the obligation.
For comprehensive Streamlined catch-up engagement, see our Streamlined Foreign Offshore Procedures service. The official IRS Streamlined Procedures reference sits at https://www.irs.gov/individuals/international-taxpayers/streamlined-filing-compliance-procedures.
Real UK Expat Scenario — IRS Streamlined Procedures in Practice
Case Study: A Manchester American Married to a UK Citizen With Eight Years of Missed US Filings
Andrea is a US citizen, aged thirty-eight, working as a senior software engineer at a Manchester-based fintech firm on a £115,000 annual salary. She moved from San Francisco to Manchester in 2017 to marry James, a UK citizen working as a marketing manager at a Manchester consultancy, earning an annual salary of £68,000. They have one child, Sophie, born in 2021 (US-UK dual citizen). Andrea's UK financial position includes an HSBC current account jointly held with James, a Nationwide savings account jointly held with James, a Vanguard UK Stocks and Shares ISA worth £42,000 across four positions in Andrea's sole name, a Nest workplace pension worth £58,000 in Andrea's sole name, and a Hargreaves Lansdown SIPP worth £85,000 across six positions in Andrea's sole name. James holds his own UK accounts in his sole name (HSBC current account, Nationwide savings account, USS workplace pension), as well as joint accounts.
From 2017 through 2024, Andrea had not filed any US tax returns, FBARs, or Form 8938s. She had heard vaguely from her US parents that "Americans abroad still need to file," but had not investigated further. She had been filing her UK Self Assessment correctly through a Manchester-based generalist accountant who was unaware of her US obligations. In November 2025, Andrea attended an American expatriate community event in Manchester, where another American mentioned the IRS Streamlined Procedures. She contacted TaxYork the next week for emergency specialist remediation.
The TaxYork diagnostic identified the full compliance gap. Andrea had eight years of unfiled US Form 1040 (2017 through 2024), eight years of missed FBAR (her UK accounts had peaked above $10,000 aggregate from 2018 onwards when the Vanguard UK ISA contributions accumulated), four years of missed Form 8938 FATCA (her combined UK accounts exceeded the $200,000 single UK-resident threshold from 2021 onwards), no Form 8833 treaty election on the Nest workplace pension or the Hargreaves Lansdown SIPP, no Form 8621 PFIC analysis on the underlying ten PFIC positions across her UK fund holdings, and four years of forfeited refundable Additional Child Tax Credit for Sophie since her 2021 birth.
The filing status decision required multi-year modeling. Andrea was married to James, a non-US citizen (UK spouse). Under default rules, she would file MFS, with James's UK consultancy income excluded from her Form 1040. The IRC Section 6013(g) MFJ election would bring James's £68,000 UK salary into Andrea's combined Form 1040, but would result in a doubled standard deduction, wider brackets, and the ability to gift-split under IRC Section 2513. The TaxYork modeling showed MFS produced the cleaner Streamlined catch-up outcome, given James's reluctance to enter US worldwide taxation irrevocably, the relatively modest US tax impact under MFS (Andrea's individual position absorbed US tax cleanly through Form 1116 FTC on her UK salary), and the simpler going-forward annual workflow under MFS without James's FBAR and Form 8938 implications.
The TaxYork team prepared the comprehensive Streamlined Foreign Offshore Procedures package. The three-year Form 1040 catch-up covered 2022, 2023, and 2024 as Married Filing Separately with Form 1116 Foreign Tax Credit on Andrea's UK salary, Form 8833 treaty election on the Nest workplace pension and the Hargreaves Lansdown SIPP under Article 18(5), Form 8621 PFIC analysis on the ten underlying PFIC positions with Section 1296 mark-to-market elections on the marketable PFICs (UK-listed Investment Trusts and UK-listed ETFs identified inside the SIPP) and Section 1291 default treatment on the non-marketable PFICs (UK-domiciled OEICs inside the Vanguard ISA and the workplace pension), Form 8938 FATCA with all Andrea's UK accounts disclosed, Schedule 8812 refundable Additional Child Tax Credit for Sophie ($1,700 for 2022, $1,700 for 2023, $1,700 for 2024 — total $5,100 cash refund recovery), and approximately $24,000 of accumulated Form 1116 FTC general category carryforward generation.
The six-year FBAR catch-up covered 2019 through 2024 via FinCEN BSA E-Filing with separate FBAR submissions for Andrea (covering her sole-name UK accounts plus the joint accounts) and James (covering his sole-name UK accounts plus the joint accounts — James filed FBAR separately as a precaution given his joint account exposure, even though he was not making the Streamlined submission himself, given his non-US-citizen status).
The Form 14653 non-willfulness narrative documented Andrea's individual position — relocation to Manchester in 2017 for marriage, reliance on UK-only Manchester generalist accountant who did not address US-side filing requirements, vague awareness from US parents that "Americans abroad still need to file" without specific guidance, absence of any prior specialist advice on cross-border tax requirements, and the proactive remediation upon learning of the obligation through the American expatriate community contact. The narrative was specific to Andrea's facts and did not extend to James (who was not a Streamlined filer due to his non-US citizenship).
The complete Streamlined Foreign Offshore Procedures package was submitted to the IRS Streamlined Filing Compliance Procedures unit in Austin by paper filing. Late filing is not available for Streamlined submissions. The IRS acceptance letter arrived in approximately 22 weeks (May 2026).
The outcome was comprehensive remediation of eight years of compliance failure with zero federal penalties confirmed, $5,100 of retroactive refundable ACTC recovered as cash refund, $24,000 of accumulated FTC carryforward established for future use, going-forward integrated workflow established under £2,800 annual fee, the IRC Section 6501(c)(8) indefinite statute exposure on Form 8938 resolved through filed Form 8938 across the three amendable years, and the established Streamlined baseline for ongoing annual compliance. The Total TaxYork fee is approximately £6,500 across the comprehensive Streamlined engagement — a clear positive outcome compared to the alternative, continued exposure framework.
Penalties for Non-Compliance — What UK-Based American Married Couples Risk
The FBAR penalty framework post-Bittner v United States 598 US 85 (2023) operates as follows: approximately $16,000 per non-willful violation per year (regardless of the number of accounts within the year), and approximately $159,000 per willful violation per year, or 50 percent of the account balance for each violation. The FinCEN BSA E-Filing reference sits at https://bsaefiling.fincen.treas.gov.
The Failure-to-File penalty under IRC Section 6651(a)(1) operates at 5 percent per month on unpaid tax up to 25 percent of the unpaid tax. The Failure-to-Pay penalty under IRC Section 6651(a)(2) operates at 0.5 percent per month on unpaid tax up to 25 percent. Combined Failure-to-File plus Failure-to-Pay reduces to 5 percent per month for any month in which both apply.
The Form 8938 FATCA penalty under IRC Section 6038D operates at a $10,000 initial penalty per missed year, with a continuation penalty cap of $50,000 per year, plus IRC Section 6501(c)(8) indefinite statute of limitations on the entire Form 1040 (not just the FATCA portions) until Form 8938 is filed for each required year.
The Form 3520 (foreign trusts, foreign gifts, foreign inheritance) penalty under IRC Section 6677 operates at 35 percent of the unreported amount for trust distributions, or 5 percent per month, up to 25 percent, for foreign gifts and inheritances above $100,000.
The IRS Streamlined Foreign Offshore Procedures eliminate all of these penalties for eligible non-willful filers — zero federal penalties on Form 1040 catch-up, zero federal penalties on FBAR catch-up, zero federal penalties on Form 8938 catch-up, and zero federal penalties on Form 3520 where included. The Streamlined route is the principal voluntary disclosure mechanism for non-willful past non-compliance for married couples living in the UK. The IRS penalty relief reference is available at https://www.irs.gov/payments/penalty-relief.
Common Mistakes Americans in the UK Make With IRS Streamlined Procedures as Married Couples
The first mistake is making the IRC Section 6013(g) MFJ election without multi-year modeling. The election is irrevocable once made without the IRS's consent and subjects the non-US-citizen UK spouse to US worldwide taxation for the year of election and all future years until termination. Streamlined catch-up submissions lock in the filing status for the catch-up years — making specialist modeling before submission essential.
The second mistake is filing the FBAR on FinCEN Form 114 when both spouses should file separately. Each spouse files their own FBAR covering their sole-name accounts plus any joint accounts in which they have signature authority or beneficial ownership. Joint FBAR filing under Form 114a is available only in limited circumstances and is rarely the optimal approach for Streamlined catch-up cases.
The third mistake is omitting the non-US-citizen UK spouse from the Streamlined submission entirely without an ITIN application. Where MFJ filing applies under IRC Section 6013(g) election, the spouse must have an ITIN obtained via Form W-7, with certified original identification documentation from an IRS Certifying Acceptance Agent in the UK (the US Embassy in London does not provide ITIN certification services).
The fourth mistake is preparing the Form 14653 non-willfulness narrative as a generic template rather than one tailored to each spouse's position. The narrative must address each spouse's individual circumstances where joint filing applies — the relocation history, the prior reliance on a UK generalist accountant, the absence of prior specialist advice, and the specific reasons for the past non-compliance.
The fifth mistake is including the Form 2555 Foreign Earned Income Exclusion in the Streamlined catch-up Form 1040 filings without analyzing the alternative Form 1116 Foreign Tax Credit position. For UK higher-rate-earning married couples with children, Form 1116 FTC positioning typically produces materially better outcomes by preserving refundable Additional Child Tax Credit eligibility under IRC Section 24(d)(1)(B)(ii) and Roth IRA contribution capacity under IRC Section 219.
The sixth mistake is delaying the Streamlined submission after learning of the obligation. The IRS automated detection through FATCA-driven cross-referencing continues to advance, and once IRS contact occurs on the underlying issue, the Streamlined route closes for that year. Early specialist engagement preserves the zero-penalty resolution. The IRS Streamlined Procedures reference sits at https://www.irs.gov/individuals/international-taxpayers/streamlined-filing-compliance-procedures.
The US-UK Tax Treaty — How It Affects IRS Streamlined Procedures for Married Couples
The US-UK Income Tax Convention (1975 as amended) interacts with the Streamlined Procedures framework through several specific articles. Article 1(4) Saving Clause preserves US worldwide taxation rights on US citizens regardless of UK residence — the treaty does not eliminate the Form 1040 filing obligation that triggers the Streamlined catch-up requirement.
Article 24 Relief from Double Taxation provides credit relief through Form 1116 Foreign Tax Credit on the US side — UK tax already paid on UK salary, UK rental, UK pension is credited against US tax on the same income, with excess FTC carrying forward for 10 years under IRC Section 904(c).
Article 17 Pensions allocates primary taxing rights on UK pension distributions to the residence state (Article 17(1)) with specific provisions on UK PCLS (Article 17(2) — US-taxable when received by a US person) and US Social Security paid to UK residents (Article 17(3) — UK-exempt notwithstanding Saving Clause).
Article 18(5) Pension Schemes provides reciprocal wrapper protection on UK workplace pension and UK SIPP growth through Form 8833 treaty election under IRC Section 6114 — the protection is added to the Streamlined catch-up Form 1040 amendments to establish proper going-forward treaty positioning. The US Treasury treaty page sits at https://home.treasury.gov/policy-issues/tax-policy/international-tax.
What the treaty does NOT eliminate. The Form 1040 filing obligation continues for US citizens regardless of treaty residence. FBAR via FinCEN Form 114 continues regardless of the UK tax treaty position. Form 8938 FATCA continues regardless of the UK tax treaty position. Form 8621 PFIC analysis on UK fund holdings continues regardless of the UK ISA tax-free treatment in the UK.
UK-specific nuances. UK Cash ISAs and UK Stocks and Shares ISAs are not US tax-favored despite UK tax-favored treatment — the underlying fund positions in a UK Stocks and Shares ISA are PFICs requiring Form 8621 analysis. The UK pension 25 percent lump sum (PCLS) is UK tax-free under FA 2004 Schedule 28, but US taxable under Article 17(2). UK State Pension is US-taxable under Article 17(1); US Social Security is UK-exempt under Article 17(3).
How TaxYork Helps Americans in the UK With IRS Streamlined Procedures for Married Couples
TaxYork is a US expat tax specialist firm focused exclusively on Americans living in the United Kingdom. Our team holds US IRS Enrolled Agent credentials supporting comprehensive Form 1040 catch-up under the IRS Streamlined Foreign Offshore Procedures framework, Form 14653 non-willfulness narrative drafting for individual and married couple submissions, six-year FBAR catch-up via FinCEN BSA E-Filing for each spouse separately, Form 8938 FATCA catch-up within the IRC Section 6511 three-year window, Form 8621 PFIC fund-by-fund analysis on UK ISA, SIPP, and workplace pension holdings with Section 1296 mark-to-market election positioning, Form 8833 treaty election on UK workplace pensions and SIPPs under Article 18(5), Form W-7 ITIN application through IRS Certifying Acceptance Agents in the UK for non-US-citizen UK spouses, and IRC Section 6013(g) Married Filing Jointly election positioning for US-citizen married to non-US-citizen UK spouse cases.
For UK-resident American married couples we deliver comprehensive multi-year diagnostic across both spouses' positions, filing status decision modelling between Married Filing Separately and Married Filing Jointly via IRC Section 6013(g) election where mixed citizenship applies, ITIN coordination for non-US-citizen UK spouses, Streamlined Foreign Offshore Procedures package preparation covering three years of Form 1040 with Form 1116 Foreign Tax Credit positioning preserving Roth IRA contribution and refundable Additional Child Tax Credit eligibility, Form 8833 treaty election on UK workplace pensions and SIPPs, Form 8621 PFIC analysis on underlying UK fund holdings, Form 8938 FATCA, refundable Additional Child Tax Credit recovery for qualifying children, six-year FBAR catch-up for each spouse, Form 14653 non-willfulness narrative specific to each spouse's individual position, and going-forward integrated annual workflow establishment. You can read our broader guidance on FBAR filing for Americans in the UK in the guide.
Contact TaxYork today at info@taxyork.com or visit https://www.taxyork.com/services/ — we help Americans in the UK get fully IRS-compliant, often with all penalties eliminated through the IRS Streamlined Procedures.
Conclusion
Three takeaways matter most for married couples living in the UK considering IRS Streamlined Procedures engagement in 2026. First, the Streamlined Foreign Offshore Procedures framework operates with several married-couple-specific considerations beyond the standard single-filer framework — the filing status decision between Married Filing Jointly and Married Filing Separately, the IRC Section 6013(g) MFJ election for a US-citizen married to a non-US-citizen UK spouse (irrevocable once made without IRS consent), the spouse identification through ITIN application via Form W-7 where applicable, the joint non-willfulness certification on Form 14653 signed by both spouses where joint filing applies, and the 330-day non-residency test applied separately to each spouse. Second, the recurring technical positioning for UK-resident American married couples (Form 1116 Foreign Tax Credit versus Form 2555 Foreign Earned Income Exclusion, Form 8833 treaty election on UK workplace pensions and SIPPs under Article 18(5), Form 8621 PFIC analysis on underlying UK fund holdings with Section 1296 mark-to-market elections, refundable Additional Child Tax Credit recovery for qualifying children) operates inside the Streamlined catch-up package and materially affects the long-term going-forward positioning. Third, the IRS automated detection through the September 2025 FATCA Intergovernmental Agreement data feed continues to advance — the Streamlined window for clean voluntary disclosure progressively narrows as automated detection closes the door, making proactive specialist engagement materially more important than at any previous point. Speak to a TaxYork adviser today by emailing info@taxyork.com or visiting https://www.taxyork.com/services/.