US Tax Return Preparation for Expats: UK Statutory Maternity Pay

US tax return preparation for expats on UK payroll runs into a question almost no general guide answers: a UK maternity payment is not one thing, and which payment you received decides the US answer. Statutory Maternity Pay is paid by your employer through PAYE, and GOV.UK confirms it is paid in the same way as wages with tax and National Insurance deducted, so it behaves like employment compensation traceable to UK services. Maternity Allowance is paid by the state to claimants who do not qualify for SMP, GOV.UK lists it as a tax-free state benefit, and it looks far more like a social security payment than pay for services. Those two facts send the payments down different routes on Form 2555, Form 1116 and the Form 1040 itself. What follows covers each UK payment, what a payslip and P60 actually show, the characterisation test that drives everything, what a maternity year does to the qualifying tests, the self-employment angle, and how a clawed-back enhanced payment is handled when the repayment lands in a different US tax year from the income.

Why US tax return preparation for expats turns on characterisation, not the payslip label

The US federal return has no line for maternity pay. It has lines for wages, for other income, and for the reliefs that sit against them. Every question in a maternity year runs back to one prior question: is this amount compensation for personal services performed in a foreign country, or is it a benefit paid by a government under social security legislation? The IRS defines foreign earned income as compensation for personal services performed in a foreign country, and the same guidance states that pensions and annuities, including social security benefits, are not foreign earned income. That distinction decides whether Form 2555 is available, whether Form 1116 is the better shelter, whether a treaty article is in play, and whether a later repayment can be relieved at all. It also decides whether any UK tax was paid: SMP and enhanced pay suffer PAYE and so generate creditable foreign tax, while Maternity Allowance suffers none, leaving nothing to credit on Form 1116 if it is treated as ordinary US-taxable income.

What UK maternity and parental payments exist, and who actually pays them?

There are five distinct payment streams a UK-based American is likely to meet, and they are not interchangeable.

• Statutory Maternity Pay. Paid by the employer through payroll for up to 39 weeks. GOV.UK sets the rate at 90 percent of average weekly earnings before tax for the first 6 weeks, then the lower of GBP 194.32 a week or 90 percent of average weekly earnings for the following 33 weeks. It requires at least 26 weeks of continuous employment continuing into the qualifying week, the 15th week before the expected week of childbirth, and average earnings of at least GBP 129 a week.
• Contractual or enhanced occupational maternity pay. Whatever the employment contract adds above the statutory minimum, typically a period of full pay followed by half pay, with SMP absorbed into it. Purely contractual, and in professional and financial services contracts very often subject to a return-to-work condition.
• Maternity Allowance. Paid by the state, not the employer, for up to 39 weeks to claimants who do not qualify for SMP. GOV.UK gives the rate as GBP 194.32 a week or 90 percent of average weekly earnings, whichever is less, for employed claimants, and GBP 27 to GBP 194.32 for self-employed claimants depending on their National Insurance record. It is paid every 2 or 4 weeks into a bank account and carries automatic Class 1 National Insurance credits.
• Statutory Shared Parental Pay. Where the maternity entitlement is curtailed, GOV.UK allows partners to share up to 50 weeks of leave and up to 37 weeks of pay in the first year, paid by each employer through payroll.
• Statutory Paternity Pay and Statutory Adoption Pay. Employer-paid statutory payments running through PAYE on the same mechanics as SMP, differing only in duration and trigger event.

Note who bears the cost, because it is often used to argue that SMP is really a state benefit. GOV.UK confirms employers can generally reclaim 92 percent of statutory maternity, paternity, adoption and shared parental pay, rising to 109 percent under Small Employers Relief where Class 1 National Insurance in the previous tax year was GBP 45,000 or less. That reclaim is an employer-side funding mechanism. It does not change the legal character of the payment in the employee hands, which remains a payment from the employer under the contract of employment, and the funding route should not drive the employee-level characterisation.

Is UK Statutory Maternity Pay taxable, and does National Insurance apply?

Yes on both counts for the employer-paid payments. GOV.UK states plainly that SMP is paid in the same way as wages and that tax and National Insurance will be deducted. The same holds for enhanced contractual maternity pay, Statutory Shared Parental Pay, and Statutory Paternity and Adoption Pay: all are treated as earnings and run through PAYE with Class 1 National Insurance. Maternity Allowance is the outlier, listed by GOV.UK among the tax-free state benefits, so no UK income tax is deducted and it does not belong on a Self Assessment return.

There is a second-order effect that changes the credit arithmetic. A senior professional on full salary for part of a year and SMP for the rest has a materially lower UK taxable income for that tax year, a lower UK effective rate and therefore fewer creditable foreign taxes. A maternity year is one of the few years in which a high-earning UK-resident American finds the foreign tax credit position tighter than usual, and it is precisely the year in which the Form 2555 versus Form 1116 decision needs modelling rather than repeating out of habit.

How do maternity payments appear on a UK payslip and P60?

Employer-paid maternity amounts usually appear as separate payslip lines, often labelled SMP and OMP or CMP for the occupational element, but they are aggregated into a single total pay figure on the P60. GOV.UK requires employers to provide a P60 by 31 May following the end of the tax year, which runs from 6 April to 5 April, showing the tax paid on salary in that year. The P60 will not tell a US preparer how much of the year was salary, how much was SMP and how much was enhanced pay. Only the payslips will.

Maternity Allowance never appears on a P60 at all, because the DWP pays it and it is not employment income. It is the most commonly missed item in a maternity year, and a preparer who builds the return from the P60 alone will not see it; the source documents are the award letter and bank credits arriving from the DWP rather than from payroll. Year conversion compounds the problem, because the P60 covers 6 April to 5 April while the US return covers 1 January to 31 December, so a nine or twelve month leave period straddles two P60s and two or three US tax years. The payslip-by-payslip rebuild is not optional.

Is UK Statutory Maternity Pay foreign earned income for Form 2555?

The IRS defines foreign earned income as compensation received for personal services performed in a foreign country, and the source of earned income is the place where the services were performed. The obvious objection to treating SMP as foreign earned income is that no services are performed during leave. The stronger reading is that SMP and enhanced maternity pay are wage continuation: they arise under a contract of employment for UK-based services, they are computed by reference to the claimant own average weekly earnings, they are paid by the employer through the employer PAYE scheme, and they bear income tax and Class 1 National Insurance as earnings. On that reading they are compensation attributable to the UK employment, sourced where the underlying services were performed, and they belong in the Form 2555 computation alongside salary.

Two qualifications apply. First, the Form 2555 instructions exclude from foreign earned income any amounts received after the end of the tax year following the tax year in which the services were performed. Ordinary monthly SMP never trips this, but a large enhanced element or an accrued bonus paid out late in or after a long leave period can. Second, there is no published IRS guidance naming UK Statutory Maternity Pay, UK enhanced maternity pay or UK Maternity Allowance and telling you how to treat them. The characterisation above is a reasoned application of the general rules, not a citation to a ruling. Anyone who tells you the answer is settled is overstating the position.

How is Maternity Allowance different on a US return?

Maternity Allowance breaks every link that supports treating SMP as earned income. It is not paid by an employer and not paid under a contract of employment. It is claimed from the state under UK social security legislation because the claimant failed the SMP conditions, a failure the employer evidences by issuing form SMP1 within 7 days of the decision. It carries Class 1 National Insurance credits rather than deductions. And it is tax-free in the UK. Every one of those features points away from compensation for personal services and towards a government benefit.

Two consequences follow. Maternity Allowance is very unlikely to be foreign earned income, because IRS guidance places social security benefits outside the definition, so Form 2555 cannot shelter it, and because the UK levies no tax on it there is no creditable foreign tax for Form 1116 either. Left there, it is fully US-taxable other income with no relief. But if it is a social security payment, a treaty article comes into play that neither form can reach. Article 17 of the US-UK income tax convention deals with pensions, social security, annuities, alimony and child support, and its social security paragraph allocates exclusive taxing rights over payments made by a state under its social security or similar legislation. The Joint Committee explanation of the convention confirms that the exemption from source-country and residence-country tax for certain pension, social security, alimony and child support payments under Article 17 paragraphs 1(b), 3 and 5 is an exception to the saving clause. That is what makes it usable: the saving clause normally lets the United States tax its citizens as if the treaty did not exist, and those paragraphs are carved out of it.

Whether Maternity Allowance itself falls within payments under the social security or similar legislation of the United Kingdom is not settled by any citable IRS source. It is a statutory contributory benefit administered by the DWP and funded through the National Insurance system, which is a strong factual fit, but no ruling, publication or technical explanation names it. A preparer taking the position takes it deliberately, documents it, and discloses it. Form 8833 is the mechanism for a treaty-based return position disclosure required by Internal Revenue Code section 6114, and a position that a UK state benefit is exempt from US tax by reason of a treaty article is exactly what that regime exists for.

What should a preparer document to support the SMP versus Maternity Allowance split?

Because this is a characterisation question rather than a reporting question, the file has to carry the evidence.

• The DWP Maternity Allowance award letter, showing the payer, the statutory basis, the weekly rate and the award period.
• Form SMP1 from the employer where SMP was refused, which proves the claimant fell outside SMP rather than choosing between the two.
• Every payslip for the leave period, separating salary, SMP and enhanced occupational pay, with the PAYE and National Insurance deducted from each, plus each P60 touched by the leave and a reconciliation from UK tax year figures to US calendar year figures.
• Bank statements evidencing DWP credits every two or four weeks, which distinguish state payments from payroll credits on the face of the record.
• The maternity policy or contractual clause governing any enhanced element, including the return-to-work condition and the repayment formula.
• The National Insurance record for the period, including Class 2 contributions where a self-employed Maternity Allowance claim was made.
• A memorandum recording the characterisation adopted for each payment, the authority relied on, the absence of IRS guidance naming these payments, and the Form 8833 disclosure where a treaty position is taken.
• Currency conversion working papers showing the rate source and whether payment-date or annual average rates were used.

Form 2555 or Form 1116 in a maternity year?

For a high earner resident in the UK, the foreign tax credit is usually the better instrument in a normal year, because UK effective rates exceed US rates and Form 1116 reaches income well beyond the exclusion ceiling. The IRS sets the maximum foreign earned income exclusion at USD 130,000 for 2025 and USD 132,900 for 2026, prorated by qualifying days over 365 where you qualify for only part of the year. A maternity year disturbs the usual answer in two directions at once: total UK income falls, reducing the creditable UK tax available, while the proportion of income that is arguably not earned income rises, reducing what Form 2555 can reach.

Three mechanical rules control the decision. A foreign tax credit may not be claimed for taxes on income excluded under the foreign earned income exclusion, so the two reliefs cannot be stacked on the same pound. The credit is limited to US tax liability multiplied by foreign source taxable income over total taxable income, with unused credits carried back one year and forward ten years, so a maternity-year excess is not necessarily lost. And revoking the exclusion locks you out of it for the next 5 tax years without IRS approval, which makes flipping from Form 2555 to Form 1116 for a single maternity year a decision with a five-year tail rather than a one-year optimisation. Model both before touching the election.

How does a maternity year affect the physical presence test and the bona fide residence test?

This is where a maternity year quietly destroys a qualification that has held for years. The physical presence test requires 330 full days in a foreign country during any period of 12 consecutive months, and days spent in the United States do not count regardless of the reason. The IRS allows only a narrow relief: time in transit through the United States of less than 24 hours between two foreign points is not treated as time in the United States. There is no childbirth exception, and the waiver of the time requirements exists for war, civil unrest or similar adverse conditions, not for a birth. The arithmetic is unforgiving, because a 12-month window allows only about 35 non-qualifying days. A mother who travels home to give birth, or takes an extended stay with US family during leave, can consume that entire allowance in one trip, and ordinary business travel earlier in the same window finishes the job.

The bona fide residence test is far more robust for this fact pattern. It is met by being a bona fide resident of a foreign country for an uninterrupted period that includes an entire tax year, and the IRS confirms that brief or temporary trips back to the United States for vacation or business do not break it where there is a clear intention to return without unreasonable delay. Once established, bona fide residence runs from the date of arrival to the date of departure, which can cover parts of two further tax years. A UK-resident American with a UK home, a UK employment, UK tax residence and a settled intention to remain is a far better fit for bona fide residence than for a day count, and a maternity year is the moment to make that switch deliberately rather than discover the day count has failed afterwards. Keep flight records, passport stamps and a day-by-day calendar either way.

Maternity Allowance, self-employment and the US-UK totalization agreement

Maternity Allowance is the only one of these payments available to a self-employed claimant. GOV.UK requires registration with HMRC for at least 26 of the 66 weeks before the baby is due and Class 2 National Insurance in at least 13 of those 66 weeks, with the weekly rate ranging from GBP 27 to GBP 194.32 depending on the contribution record. Class 2 buys the entitlement; Class 4 does not count towards it. Start with what the payment is not: it is not gross receipts from a trade, so it is not net earnings from self-employment and it does not belong on Schedule SE.

That matters because the foreign earned income exclusion does not reduce self-employment tax. The IRS requires all self-employment income to be taken into account in figuring net earnings even where the gross income was excluded under the FEIE, and self-employment tax applies where net earnings are at least USD 400. The charge on the trading income that does arise is removed instead by the totalization agreement, which the IRS confirms ensures social security taxes, including self-employment tax, are paid to only one country, evidenced by a certificate of coverage from the relevant social security agency. A self-employed US citizen within the UK National Insurance system obtains that certificate from HMRC. A year in which trading is suspended for leave is still a year in which coverage must be evidenced for the months actually traded, and a gap in the Class 2 record around leave can both reduce the Maternity Allowance rate and weaken the evidence of continuous UK coverage.

What happens when enhanced maternity pay is clawed back?

Enhanced occupational schemes in professional and financial services almost always carry a return-to-work condition. If the employee does not return, or does not stay for a minimum period after returning, the enhancement above SMP becomes repayable. Statutory Maternity Pay itself is never repayable. The repayment is usually made months after the leave ends, so the income was received and reported in one tax year and repaid in another, in two countries whose tax years do not align.

On the UK side, GOV.UK treats this as negative earnings: a situation where an employee has to pay back all or part of their earnings to an employer or ex-employer. Relief is claimed through Self Assessment for the tax year of repayment, by reducing reported employment pay by the amount repaid and explaining why, and a resulting loss can be set against other income or carried back one year. Two limits matter. There is no relief or repayment of National Insurance contributions, because the original payment was not an error. And the income tax relief is not delivered through PAYE, so the employee has to claim it.

The US has no negative earnings concept. The governing idea is the claim of right doctrine: income received under an unrestricted claim of right is properly reported in the year of receipt, and relief for a later repayment belongs in the year of repayment, not in an amendment to the original return. Publication 525 sets out the mechanics. Where the amount repaid is more than USD 3,000 and was included under a claim of right, the taxpayer may deduct it as an other itemized deduction on Schedule A line 16, or take a credit for the year of repayment computed under section 1341 as if the income had never been included in the earlier year, using whichever produces the lower tax. Where the amount repaid is USD 3,000 or less, the itemized deduction route is unavailable following the suspension of miscellaneous itemized deductions, and there is generally no US relief at all.

• If the enhanced pay was excluded under Form 2555 in the original year, it generated no US tax, so a section 1341 recomputation restores nothing and a Schedule A deduction reduces income that may itself be excluded. US relief can be close to zero even though the money was genuinely repaid. That is a direct argument for Form 1116 rather than Form 2555 in any year containing a repayable enhanced element.
• If the enhanced pay was sheltered by foreign tax credits, the section 1341 route is usually the stronger of the two, because recomputing the earlier year without the income restores that year credit position, whereas a Schedule A deduction lands in a repayment year whose UK tax has already been reduced by the negative earnings claim. Both computations have to be run; the comparison is arithmetic, not judgment.
• The two reliefs attach to different years and different measures. The UK reduces employment income in the repayment tax year ending 5 April; the US deducts or credits in the repayment calendar year. A repayment made in February is relieved in the UK year ending the following 5 April and in the US calendar year of payment, so the foreign tax credit computations for both affected US years need rebuilding.

Amending the original US return is not the normal answer and should not be the reflex. The claim of right doctrine exists precisely because the original inclusion was correct when made. An amendment is appropriate only if the original reporting was wrong on its own terms, for example if the amount was never received, was misclassified, or the qualifying test for the exclusion was misapplied.

A worked scenario: a London-based US citizen across a maternity year and a clawback

Take a US citizen who has lived and worked in London for nine years, holds a senior role at a UK financial services firm on GBP 180,000, and has always claimed the exclusion on Form 2555 using the physical presence test. Her child is born in June of year one. Her employer scheme pays six months at full pay inclusive of SMP, then SMP only for the balance of the 39 weeks, then unpaid leave, with the enhanced element repayable in full if she does not remain in employment for six months after returning.

In year one her P60 shows a single total pay figure blending salary to May, enhanced maternity pay from June to November and SMP from December, so the US file is rebuilt from payslips. She travels to the United States in August and stays seven weeks, having already spent three weeks in New York on business in February. That is roughly 70 days outside a foreign country in the relevant window, which fails the 330-day test outright. The response is not to abandon the exclusion but to test bona fide residence: a UK home, a UK employment, UK tax residence, an uninterrupted period covering an entire tax year and a clear intention to return from a temporary visit. The file records the intention, the return date and the continuity of her UK arrangements. Because her UK income and her creditable UK tax have both fallen, Form 2555 and Form 1116 are modelled before filing, with the possibility of repaying the enhancement built into the model rather than ignored. That possibility pushes towards Form 1116, because exclusion in year one leaves nothing to relieve in year two.

In year two she returns in June, resigns in August and repays the enhanced element in October. In the UK she claims negative earnings relief through Self Assessment for the tax year of repayment, reducing reported employment pay by the repaid amount; no National Insurance is refunded. On the US return for the calendar year of repayment she computes both routes, the Schedule A other itemized deduction and the section 1341 credit derived by recomputing year one without the enhanced pay. Because the amount comfortably exceeds USD 3,000 and year one used the foreign tax credit rather than the exclusion, the section 1341 recomputation is likely to be the better of the two, but it is run as a calculation and the lower-tax result is the one filed. Both years of foreign tax credit are rebuilt to reflect the UK relief, and the working papers record the chain so the position can be reconstructed years later.

Where the US answer is not settled, and how to take a position anyway

No IRS publication, ruling or notice names UK Statutory Maternity Pay, UK enhanced maternity pay, Statutory Shared Parental Pay or UK Maternity Allowance. Anything asserting a definitive US treatment is applying general principles, whether or not it says so. The honest professional answer is to be explicit about that, apply the tests consistently and document the reasoning. The tests that do the work are these: who made the payment and under what legal obligation; whether the amount was measured by reference to the claimant own earnings from services; whether it was paid through an employer PAYE scheme with income tax and Class 1 National Insurance deducted; whether the entitlement arose from services performed in a foreign country; and whether the payment is made under social security or similar legislation of the United Kingdom.

Applied to employer-paid SMP, enhanced maternity pay, Statutory Shared Parental Pay and Statutory Paternity and Adoption Pay, those tests point consistently one way: compensation attributable to a UK employment, UK-sourced, reportable as wages and eligible for Form 2555 or Form 1116 on the same footing as salary. Applied to Maternity Allowance they point the other way: a contributory state benefit, outside the foreign earned income definition, carrying no UK tax to credit, and potentially within the social security article of the US-UK convention with a Form 8833 disclosure. Take the position, take it consistently year after year, and keep the file that supports it. In cross-border practice the position you can evidence is worth considerably more than the position you can argue.

Related reading and tools

• US Tax Services & IRS Compliance
• UK Tax Services
• IRS Streamlined Filing
• UK Income Tax Calculator
• US Federal Income Tax Calculator

Every situation is different. Book a cross-border tax consultation to discuss how these rules apply to you.

Authoritative sources

IRS — Streamlined Filing Compliance Procedures

FinCEN — Report of Foreign Bank and Financial Accounts (FBAR)

HM Revenue & Customs

GOV.UK — Tax on foreign income

IRS — Foreign Earned Income Exclusion

IRS — Foreign Tax Credit

ICAEW

Chartered Institute of Taxation (CIOT)

AICPA

MoneyHelper (UK)