US Expats in the Netherlands: Complete Financial Planning Guide (2026)

The Netherlands hosts one of Europe's largest concentrations of US-citizen expats — concentrated in Amsterdam, The Hague, Rotterdam, Eindhoven, and Utrecht, working in technology (ASML, Booking.com, Adyen, TomTom), energy (Shell, SBM Offshore), consulting, and for US multinationals with European headquarters. Many arrive with the Dutch 30% ruling, which reduces Dutch income tax substantially — but also cuts their Foreign Tax Credit, creating unexpected US tax exposure that most advisors don't catch. Dutch Box 3 taxation of savings and investments creates a genuine double-taxation problem with no FTC remedy. And Dutch pension products — from ABP to banksparen — come with PFIC exposure and potential Form 3520 obligations that can dwarf the pension's value if handled incorrectly.

1. The Core Tax Decision: Foreign Tax Credit vs FEIE in the Netherlands

US citizens abroad must elect between two mechanisms to avoid double-taxation on foreign earned income:

• Foreign Earned Income Exclusion (FEIE, Form 2555) — excludes up to $132,900 of foreign earned income from US gross income in 2026.¹
• Foreign Tax Credit (FTC, Form 1116) — credits Dutch income taxes paid directly against your US liability, dollar for dollar.

Dutch Box 1 Income Tax Rates (2026)

The Netherlands taxes employment and business income in Box 1 using two effective brackets for working-age residents. The first-bracket rate combines income tax with Dutch national insurance premiums (AOW old-age pension, WLZ long-term care); the top-bracket rate is pure income tax. For Foreign Tax Credit purposes on Form 1116, only the income tax component is creditable — not the national insurance premium component embedded in the first bracket.²

Working-age taxpayers (below Dutch state pension age) move directly from 35.75% to 49.5% at €38,883. The three-bracket system visible in some calculators applies only to taxpayers born before 1958. Tax credits (algemene heffingskorting, arbeidskorting) reduce Dutch liability further; these credits do not generate FTC for US purposes. Dutch rates are current for 2026 per Belastingdienst and confirmed by Deloitte Netherlands Tax Budget 2026 analysis.

Why FTC Usually Wins — and the 30% Ruling Exception

For a US citizen in the Netherlands who does not have the 30% ruling, FTC typically wins decisively. Consider a senior software engineer at ASML earning €120,000:

• Dutch creditable income tax: ~9.32% × €38,883 plus 49.5% × (€120,000 − €38,883) = ~€3,624 + €40,200 = ~€43,824 in Dutch income tax (creditable for FTC, before Dutch credits)
• US federal tax on equivalent income: approximately $28,000–$35,000 (after $15,000 standard deduction, 2026 brackets)
• The FTC handily eliminates all US federal tax; excess credits carry forward 10 years under IRC §904(c)

With the 30% ruling in effect, 30% of salary is paid as a tax-free allowance. Dutch taxable income drops to €84,000 (70% × €120,000). Dutch creditable income tax falls to roughly €24,000–€27,000. This is still sufficient to cover most US federal tax obligations in this example — but for higher earners near the €262,000 income cap for the ruling, the math tightens considerably.

The 30% ruling FTC squeeze: A US partner at a consulting firm earning €300,000 with the 30% ruling has Dutch taxable income of €210,000 (30% ruling caps at WNT norm of €262,000 for 2026). Dutch creditable income tax on €210,000 is approximately €85,000–€89,000. At a dollar-euro exchange of $1.10/€, that's roughly $93,500–$98,000 of FTC credits. US federal tax on €300,000 equivalent income (roughly $330,000) in 2026 is approximately $106,000–$114,000 (top 37% bracket). The 30% ruling likely generates a residual US federal tax bill of $15,000–$25,000 that many expats don't budget for.

Use our FEIE vs FTC calculator to model your specific income and ruling status. For earners above €200,000, model FTC carefully — the 30% ruling's benefit may be partially eroded by US tax once FTC runs short.

FEIE Disadvantages for Netherlands

The FEIE's $132,900 limit excludes only $132,900 of earned income from US gross income — meaningfully less than what FTC eliminates for most Dutch salaries. In addition: the FEIE triggers the §219(f)(1) IRA eligibility forfeiture for any income excluded; the §1402(a)(8) self-employment tax trap remains for self-employed expats; and the five-year revocation lock-in means switching from FEIE to FTC requires IRS approval. For Netherlands-based earners, FEIE is typically the inferior choice.

2. Box 3: The Double Taxation Problem for US Citizens

The Netherlands' Box 3 regime is a significant and underappreciated problem for US-citizen residents. Box 3 taxes savings and investments using a deemed return methodology — the Dutch government assumes you earn a notional return on your wealth and taxes that assumed return, regardless of what you actually earned.³

2026 Box 3 Parameters

• Tax-free allowance: €59,357 per taxpayer (€118,714 for fiscal partners)
• Deemed return on savings/deposits: ~1.44% (2026 provisional rate)
• Deemed return on other assets (stocks, bonds, investment property): ~6.04%
• Box 3 tax rate: 36% flat on the deemed return

Example: A US expat in Amsterdam has €300,000 in a Dutch brokerage account invested in stocks and €50,000 in a Dutch savings account. Box 3 taxable assets: €350,000 − €59,357 = €290,643. Deemed return: (6.04% × €300,000) + (1.44% × €50,000) = €18,120 + €720 = €18,840 (proportionally allocated). Dutch Box 3 tax: 36% × €18,840 = €6,782.

The US side: If those investments actually earned 8% — €24,000 in dividends and gains — the US taxes that €24,000 as ordinary income or LTCG. The Dutch €6,782 of Box 3 tax is computed on a different, fictional income base (deemed returns), not on actual realized income. Under IRC §901 and related Treasury Regulations, a foreign tax is creditable only if it is computed on a basis that is "reasonably comparable" to US income tax. Because Box 3 taxes deemed income — not actual income — it generally does not qualify as a creditable foreign income tax on Form 1116.⁴

The result: you pay both — Dutch Box 3 tax on €18,840 of fictional income, and US tax on €24,000 of actual income. No FTC bridge between the two.

What to Hold in Dutch Accounts to Limit the Problem

• Keep US brokerage accounts as primary investment accounts. Schwab International and Interactive Brokers explicitly accept non-US-resident US citizens. Holding US-domiciled ETFs in a US account means no Dutch Box 3 issue, no PFIC issue, and standard US cost-basis tracking.
• Dutch-domiciled ETFs are PFICs. Any ETF domiciled in the Netherlands (e.g., iShares Amsterdam), Ireland (e.g., iShares Dublin, Vanguard Ireland), or elsewhere in the EU is a Passive Foreign Investment Company (PFIC) under IRC §1297 — generating punitive US tax treatment under §1291 unless you make a QEF or mark-to-market election per Fund on Form 8621. Box 3 PFIC exposure compounds the double-taxation problem.
• Individual Dutch stocks (AEX-listed equities) are not PFICs — they're equity in operating companies, not passive vehicles. Holding individual Dutch equities in a Dutch brokerage avoids the PFIC issue while maintaining normal FTC treatment on dividends.
• Minimize Dutch cash savings above the €59,357 exemption to reduce Box 3 exposure on the savings deemed return (1.44%). Keep large liquid reserves in a US dollar account at a US institution where only actual interest is taxed.

3. The 30% Ruling: What US Citizens Need to Know

The Dutch 30% ruling (expat ruling / kennismigrantenregeling) allows qualifying employers to pay up to 30% of a foreign-recruited employee's salary as a tax-free allowance to compensate for "extraterritorial costs." For Dutch tax purposes, this is a genuine benefit — taxable income is reduced by 30% of gross salary.⁵

2026 Qualification Requirements

• Minimum salary threshold (2026): €48,013 gross annual salary (after the 30% exclusion)
• Under-30 with Master's degree: reduced threshold of €36,497
• Scientific researchers and specialist doctors-in-training: no salary minimum
• Income cap: The 30% benefit is limited to the WNT norm of €262,000 (2026) — income above this level does not generate additional 30% exclusion
• Term: Maximum 5 years, with some exceptions for periods previously spent in the Netherlands
• Employer must apply: The ruling is employer-specific and requires a formal application to the Dutch tax authority (Belastingdienst)

2027 Reduction — Plan Now

For employees who began receiving the 30% ruling in 2024 or later, the maximum allowance reduces from 30% to 27% starting January 1, 2027. Employees who already had the ruling as of 2023 may retain the 30% rate for the remainder of their ruling period under transitional provisions. If your ruling began in 2024 or 2025, you have a 3-percentage-point reduction coming — model the FTC impact on your 2027 US tax now.⁵

FTC Interaction with the 30% Ruling

The 30% ruling reduces Dutch taxable income → reduces Dutch income tax → reduces available FTC. This is not a bug — it is an intended tradeoff that every US-citizen beneficiary of the ruling must model. The ruling's net value for a US citizen is: (Dutch tax savings) minus (additional US tax from reduced FTC). For most earners below €150,000, the ruling still generates net savings because the Dutch tax reduction exceeds the US tax increase. Above €200,000, the calculus tightens and sometimes reverses for the US liability portion.

4. Dutch Pensions and US Tax Treatment

The Netherlands has a robust pension ecosystem that US-citizen employees frequently encounter: ABP (the collective defined-benefit pension for government and education sectors), employer pension funds (bedrijfstakpensioenfonds), and individual products like banksparen and lijfrente. Each creates different US obligations.

ABP and Employer Pension Funds

ABP is a collective pension plan covering Dutch government employees, university staff, school teachers, and related employees. It is a defined-benefit plan funded by employer and employee contributions. For US tax purposes:

• Employee contributions to ABP are not deductible for US purposes. The Dutch tax deduction (Box 1) reduces Dutch taxable income but provides no US benefit.
• Accumulation phase: ABP accruals are not currently taxable in the US — there is no annual US inclusion required during accumulation, consistent with the general treatment of employer-funded foreign defined-benefit plans. However, this position is not explicitly confirmed by IRS guidance specific to ABP.
• Distribution phase: ABP pension payments are ordinary income in the US. Article 19(4) of the US-Netherlands income tax treaty provides that pensions (other than government/social security pensions) are taxable in the country of residence of the recipient — but the saving clause overrides this for US citizens. Both the Netherlands and the US may tax ABP distributions. The FTC from Dutch withholding eliminates the double-taxation in practice.
• Form 3520: Employer-funded collective pension funds like ABP are generally not classified as foreign grantor trusts — no Form 3520 required during accumulation. Confirm with a specialist for your specific plan.

Individual Dutch Pension Products: Banksparen and Lijfrente

Banksparen (pension savings account at a bank) and lijfrente (pension annuity with an insurer) are individually-funded Dutch pension products offering Dutch income tax deductions on contributions and Dutch-tax-free accumulation. For US citizens, these products present significant risk:

• No US tax deferral: The Dutch tax-deferral wrapper is not recognized by the US. Investment income inside a banksparen or lijfrente account is currently taxable in the US in the year it is earned.
• Foreign trust reporting risk: Individually-funded pension products funded by your own contributions (rather than employer contributions) may be classified as foreign grantor trusts under IRC §671–677. If classified as a foreign trust, annual Form 3520 (reporting transactions) and Form 3520-A (annual return) filings are required. The penalty for failure to file is 35% of the gross value of trust contributions or distributions. The IRS has not issued explicit guidance on banksparen or lijfrente classification.
• PFIC exposure: Banksparen and lijfrente products typically invest in Dutch or EU-domiciled mutual funds and insurance-linked investment pools — almost all of which are PFICs under IRC §1297. Each PFIC holding requires a separate Form 8621 election. Without elections, the §1291 excess-distribution regime applies. Use our PFIC calculator to model the penalty cost over time.

The practical advice: before contributing to any Dutch individual pension product, consult a US-licensed cross-border specialist. The Dutch tax deduction is real, but the US compliance cost — PFIC elections, potential Form 3520 obligations, US current taxation of accruals — can exceed the Dutch benefit.

US-Netherlands Social Security Totalization Agreement

The US-Netherlands Totalization Agreement, in effect since November 1, 1990 (revised in 2003), prevents dual Social Security taxation and allows combined work credits for benefit eligibility:⁶

• Local employee rule: US citizens employed by a Dutch employer under a Dutch employment contract generally contribute only to the Dutch system (AOW/WLZ), not to US Social Security, for that period of employment. No dual Social Security obligation.
• Detached worker exception: US citizens assigned to the Netherlands by a US employer may remain in the US Social Security system (exempt from Dutch AOW/WLZ) for up to five years, with a Certificate of Coverage from the SSA.
• Credit combining: If you haven't accumulated enough quarters in either system for independent eligibility, Dutch and US contribution periods can be combined to establish eligibility. Each country then pays a proportional benefit.
• WEP/GPO no longer applies: The Social Security Fairness Act (January 2025) repealed the Windfall Elimination Provision and Government Pension Offset. If you will receive both an AOW pension and US Social Security, neither benefit is now reduced by the other — a meaningful improvement for dual-system earners.

5. FBAR and FATCA in the Netherlands

Standard FBAR and FATCA reporting applies in full for all Netherlands-held accounts:

• FBAR (FinCEN 114): Required if aggregate foreign financial account balances exceed $10,000 at any point during the calendar year. Covers Dutch bank accounts (ING, ABN AMRO, Rabobank, ASN, SNS, Bunq), Dutch brokerage accounts (DeGiro, ABN AMRO MeesPierson, ING Self-Directed), Dutch pension accounts (banksparen, lijfrente), and Dutch money market accounts.
• Form 8938 (FATCA): For taxpayers living abroad, required if foreign assets exceed $200,000 single / $400,000 MFJ at year-end, or $300,000 / $600,000 at any point during the year.
• Netherlands-IRS data sharing: The Netherlands operates under a FATCA IGA arrangement. Dutch financial institutions report US-accountholder information to the Dutch Tax Authority (Belastingdienst), which shares it with the IRS. Your ING and ABN AMRO balances are visible to the IRS.
• Account access: Unlike some jurisdictions (Japan, Switzerland), major Dutch banks generally remain open to US citizens under FATCA. ING, ABN AMRO, and Rabobank maintain US-citizen accounts. DeGiro brokerage has historically restricted US-citizen trading of non-Dutch securities; confirm current policy before opening. Interactive Brokers' European entity (IBCE in Budapest) explicitly accepts US citizens for EU-compliant investing.

6. US-Netherlands Income Tax Treaty

The US-Netherlands income tax treaty was signed in 1992 and amended by a 2004 protocol. It is a modern, comprehensive treaty that provides meaningful reductions in withholding rates on cross-border passive income — but its benefits for US citizens living in the Netherlands are substantially limited by the saving clause.⁷

• Saving clause (Article 26): The US reserves the right to tax its citizens as if the treaty did not exist. For US citizens in the Netherlands, treaty residency tiebreakers (Article 4), source-country exemptions, and most income-reduction provisions do not override US citizenship-based worldwide taxation. You pay US tax on all income regardless of Netherlands residency or treaty position.
• Saving clause exceptions: Certain articles are carved out and do benefit US citizens — including Article 19(4) (pensions and annuities), Article 26 (elimination of double taxation), Article 27 (non-discrimination), and Article 29 (mutual agreement). These carve-outs are specific and narrow.
• Pensions (Article 19): Under paragraph 4, pensions (other than government service pensions) paid to a resident of one state are taxable only in that state of residence. This benefits Dutch-resident recipients of US pension income. For US citizens in the Netherlands — who are also US taxpayers due to the saving clause — this provision interacts with the FTC to eliminate double taxation in practice rather than exempting pension income outright.
• Dutch social security / AOW (Article 19 paragraph 5): Payments under Dutch social security legislation (including AOW old-age pension) paid to a Netherlands resident are taxable only in the Netherlands. The saving clause does not override this exception for US citizens — this is a genuine treaty benefit. AOW pension received by a US citizen living in the Netherlands is taxable only in the Netherlands and not included in US gross income.
• Reduced withholding rates: The treaty reduces Dutch withholding on US-source dividends (5% for 10%+ corporate owners; 15% for portfolio; 0% for pension funds), US-source interest (0%), and Dutch royalties (0%). Relevant for US investors with Dutch holdings or US companies paying Dutch licensees.
• Article 4 tiebreaker: For dual residents, the tiebreaker determines country of tax residence — but for US citizens, the saving clause preserves US worldwide taxation regardless of where the tiebreaker resolves. The tiebreaker is more relevant for Dutch tax treatment than for reducing US obligations.
• No treaty protection from PFIC rules: Dutch-domiciled ETFs and investment funds are PFICs regardless of treaty position. The treaty provides no shelter from §1291 excess-distribution treatment or the Form 8621 election requirements.

7. Dutch Real Estate

Amsterdam, Utrecht, and other Dutch cities have seen substantial real estate appreciation. US citizens who purchase Dutch property face several cross-border tax complications:

• §121 exclusion: The US primary residence capital gains exclusion ($250,000 single / $500,000 MFJ) applies to Dutch property if it was your principal residence for at least 2 of the 5 years preceding sale. The gain is calculated in US dollars.
• Currency gain trap: Because the §121 exclusion is computed in dollars, if the euro strengthened against the dollar between purchase and sale, you may owe US tax on currency gain even if the dollar-denominated appreciation is fully excluded. A property purchased when €1 = $1.05 and sold when €1 = $1.20, with gain that is $250K in euro terms, generates additional taxable dollar-denominated gain from the exchange-rate movement.
• Dutch hypotheek (mortgage): Interest on a Dutch mortgage for a primary residence is deductible in Box 1 in the Netherlands (eigenwoningrenteaftrek), but this Dutch deduction provides no US benefit. Dutch mortgage interest may be deductible for US purposes under IRC §163(h) if the property secures the debt and the home qualifies as a residence — but qualification depends on the loan structure.
• Box 3 for investment properties: Dutch rental or investment properties are valued in Box 3 at the WOZ (property appraisal) value and taxed under the deemed-return system. As discussed above, this Box 3 tax is generally not creditable for US FTC purposes. Actual Dutch rental income is US-taxable.
• Transfer tax (overdrachtsbelasting): The Dutch 2% transfer tax on residential property purchases is not a creditable foreign income tax for FTC purposes — it is a transaction tax, not a tax on income. It is capitalized into the property's cost basis for US gain calculations.
• Non-resident withholding on departure: If you sell Dutch property after leaving the Netherlands, Dutch rules on non-resident real estate income may apply. Consult a Dutch tax advisor on withholding obligations at closing.

8. Before You Move to the Netherlands: A Planning Checklist

1. Model FTC vs FEIE for your specific income and ruling status. If your employer is granting you the 30% ruling, run both scenarios: (a) FTC without the ruling, (b) FTC with the ruling including the reduced Dutch tax. For salaries above €150,000, the reduced FTC from the ruling may create meaningful US residual tax. Know this before you accept the package.
2. Sever your US state domicile before departure. California does not recognize FEIE and asserts continued residency for domiciled taxpayers who haven't formally changed connections (driver's license, voter registration, professional memberships, bank relationships). New York's statutory residency rule can trap former residents who maintain a New York apartment. Do the work before you leave. See our state residency planning guide.
3. Move your investment accounts to FATCA-compatible US custodians before you go. Vanguard retail and Fidelity retail may restrict non-US-resident accounts. Schwab International and Interactive Brokers explicitly serve non-US-resident US citizens. Transfer existing holdings before departure — it is far easier while you are still a US resident.
4. Avoid Dutch-domiciled ETFs and mutual funds entirely. Fund platforms in the Netherlands default to EU-domiciled products (iShares UCITS, Vanguard UCITS) that are PFICs. Hold only US-domiciled ETFs (VTI, VOO, BND) at a US or IBCE brokerage account. Do not buy Dutch or Irish-domiciled investment products.
5. Assess your Dutch savings and investment account Box 3 exposure. If you will hold significant savings in the Netherlands, model the Box 3 deemed-return tax against the non-creditability for US FTC purposes. Keeping large liquid reserves in US dollar accounts above the €59,357 exemption is tax-inefficient from a Dutch perspective but may reduce total tax across both systems.
6. Get specialist advice before participating in any Dutch individual pension product. Banksparen and lijfrente offer genuine Dutch tax deductions, but the Form 3520 reporting risk and PFIC exposure inside these accounts require US-specialist guidance before you sign. ABP participation (mandatory if your employer participates) is less risky but also needs coordination.
7. Plan Roth conversions before departure. If you are still a US resident with income in a lower US bracket before moving, converting traditional IRA to Roth while your US rate is below your Netherlands rate creates a permanent tax-free bucket. Once in the Netherlands with FTC covering your US liability, there is generally no room to do Roth conversions at a lower US rate.
8. Understand the 30% ruling's 2027 reduction. If you receive a 30% ruling starting in 2024–2026, budget for the reduction to 27% beginning January 1, 2027. Adjust your FTC projections accordingly so there are no surprises in your Q1 2027 estimated US tax payments.
9. Open FBAR records from day one. Every Dutch bank account, DeGiro account, or banksparen account opened in the Netherlands goes on FBAR. Keep a running log with account numbers, institutions, and approximate peak balances from your first day in the country.
10. Engage a cross-border US/Dutch specialist before year-end of your arrival year. The most expensive mistakes — Box 3 surprise tax, PFIC accumulation in a Dutch fund, Form 3520 missed on a banksparen — happen in the first 12 months. The cost of specialist guidance is small compared to correcting a multi-year PFIC backlog or failed Form 3520.

What a Netherlands-Specialist Expat Advisor Handles

Most US financial advisors cannot take non-US-resident clients. Most Dutch financial planners (financieel planner, CFP NL) are experts in Dutch pension regulations and Box 3 products but have no US tax license or cross-border training. The intersection — a US-licensed, fee-only advisor who focuses on US expats in the Netherlands — is a rare specialty. What they do:

• Model FTC vs FEIE for your specific Dutch income, 30% ruling status, Box 1 liability, and US filing status
• Assess the 30% ruling's net value for you as a US citizen, accounting for the FTC offset reduction and 2027 rate change
• Identify PFIC exposure in your Dutch or EU-domiciled investment accounts and coordinate Form 8621 elections (QEF or MTM) to avoid §1291 excess-distribution penalties
• Review Dutch pension participation (ABP, banksparen, lijfrente) for Form 3520 exposure, PFIC holdings, and FTC interaction on distributions
• Structure investment accounts to minimize Box 3 double-taxation: US-domiciled ETFs at US/IBCE custodian, individual Dutch equities if needed for local investing, minimizing Dutch-domiciled funds
• Handle FBAR/FATCA filings across Dutch and any other foreign accounts
• Advise on Dutch real estate: §121 exclusion planning, currency gain modeling, Box 3 vs rental income structuring
• Plan state domicile severance before departure; address California and New York audit risk
• Non-US spouse planning: non-citizen spouse annual gift exclusion ($194,000 in 2026), QDOT trust for estates above $15M exemption (OBBBA permanent), FBAR signature authority coordination for Dutch-citizen spouse accounts
• Coordinate with your Dutch accountant (belastingadviseur) or tax service — US and Dutch returns must be consistent on income figures and treaty positions

1. IRS Publication 54, Tax Guide for US Citizens and Resident Aliens Abroad. 2026 FEIE limit: $132,900 per IRS Rev. Proc. 2025-28. irs.gov/publications/p54
2. Belastingdienst (Dutch Tax Authority): Box 1 income tax rates 2026. First bracket 35.75% (combines income tax ~9.32% + national insurance premiums AOW 17.90% + WLZ). Top bracket 49.5% (pure income tax). Business.gov.nl: Tax brackets for income tax change in 2026. Deloitte Netherlands: Pakket Belastingplan 2026 — tarieven. business.gov.nl — 2026 tax brackets
3. Belastingdienst: Box 3 provisional assessment 2026. Tax-free allowance €59,357. Deemed return: savings 1.44%, other assets 6.04%. Box 3 rate 36%. belastingdienst.nl — Box 3 2026
4. IRC §901 (creditable foreign taxes); Treas. Reg. §1.901-2 (net gain requirement — foreign tax must be computed on actual income, not deemed income). PwC Netherlands Tax Summary 2026. taxsummaries.pwc.com/netherlands
5. Business.gov.nl: The expat scheme (30% ruling) — 2026 salary thresholds and requirements. Regular threshold €48,013; under-30 Master's €36,497; WNT cap €262,000. 27% reduction starting 2027 for rulings beginning 2024+. business.gov.nl — 30% ruling
6. SSA: Agreement Between the United States and the Netherlands (Totalization Agreement). Effective November 1, 1990; revised 2003. ssa.gov — US-Netherlands Totalization Agreement
7. IRS: Netherlands Tax Treaty Documents. US-Netherlands Income Tax Treaty (1992) and 2004 protocol. Technical Explanation. irs.gov — Netherlands treaty documents

Tax values verified as of May 2026. Dutch Box 1 rates and Box 3 deemed-return rates are 2026 values per Belastingdienst. US values are for tax year 2026. 30% ruling thresholds per Business.gov.nl 2026. Consult a qualified cross-border specialist for your specific situation.