Part ELTIF Luxembourg: European Long-Term Investment Fund Guide
The European Long-Term Investment Fund (ELTIF) is reshaping the landscape of alternative investments by channeling capital into long-term projects such as infrastructure, real estate, and SMEs. As the EU’s flagship regime for long-term investment, ELTIFs offer a unique passporting framework and regulatory clarity that appeal to both institutional and retail investors. Luxembourg, as Europe’s premier fund domicile, has seamlessly integrated the ELTIF into its legal ecosystem, notably through its Part II Undertakings for Collective Investment (UCI) regime.
For asset managers and investors seeking a robust, tax-efficient structure with cross-border reach, understanding the nuances of a Part ELTIF in Luxembourg is essential. This guide explores the legal, regulatory, and tax dimensions of ELTIFs established under Part II of the Luxembourg law of 17 December 2010, providing a clear roadmap for structuring, compliance, and operational success.
Understanding the ELTIF Framework
The ELTIF is a regulated fund vehicle designed to finance long-term investments in the real economy. Introduced by Regulation (EU) 2015/760 and amended by Regulation (EU) 2023/606, it provides a pan-European passport for marketing to professional and retail investors under harmonized rules. ELTIFs must invest at least 70% of their capital in eligible long-term assets, including infrastructure, real estate, private debt, and unlisted equities, with strict diversification and leverage limits.
In Luxembourg, an ELTIF can be structured as a Part II UCI, a specialized investment fund (SIF), or a reserved alternative investment fund (RAIF). The choice of structure impacts regulatory oversight, investor eligibility, and time-to-market. The Part II UCI, governed by the law of 2010, is a flexible vehicle that can be used for ELTIFs targeting retail investors, subject to CSSF approval and ongoing supervision.
What is an ELTIF?
An ELTIF is a closed-ended or open-ended fund that invests in long-term assets with a recommended holding period of several years. It benefits from a single EU passport, allowing cross-border distribution to professional and retail investors under uniform rules. The revised ELTIF 2.0 regime, effective from January 2024, introduced greater flexibility in eligible assets, borrowing limits, and retail investor access, making it a compelling alternative to traditional private equity funds.
The Role of Part II of the Luxembourg Law
Part II of the Luxembourg law of 17 December 2010 governs UCIs that do not qualify as UCITS. It offers a lighter regulatory framework than Part I UCITS but still provides investor protection through CSSF oversight. An ELTIF structured as a Part II UCI must comply with both the ELTIF Regulation and Part II rules, including minimum capital requirements of €1.25 million and specific investment restrictions. This dual compliance ensures investor confidence while allowing flexibility in asset selection.
Why Luxembourg for ELTIFs?
Luxembourg’s position as a global fund hub is built on decades of expertise in cross-border distribution, a stable political environment, and a responsive regulator. The CSSF’s pragmatic approach to ELTIF authorization, combined with Luxembourg’s extensive double tax treaty network, makes it the domicile of choice for long-term funds. As of 2025, Luxembourg hosts over €5 trillion in assets under management, with a growing share in alternative funds.
The jurisdiction’s ecosystem of service providers—depositaries, administrators, and legal advisors—ensures seamless setup and operation. For ELTIFs, Luxembourg offers a clear path to passporting across the EU/EEA, reducing distribution costs and complexity.
Regulatory Excellence and Investor Confidence
The CSSF is known for its rigorous yet collaborative supervision. For Part II ELTIFs, the authorization process typically takes 3 to 4 months from filing a complete application. The regulator reviews the prospectus, constitutional documents, and service provider agreements to ensure compliance with both ELTIF and Part II rules. This scrutiny enhances investor trust, particularly for retail-focused ELTIFs.
Tax Efficiency and Treaty Network
Luxembourg’s tax regime for ELTIFs is highly competitive. The standard subscription tax (taxe d’abonnement) is 0.01% per annum on net assets, but ELTIFs investing exclusively in long-term assets may benefit from a full exemption. Additionally, Luxembourg’s 80+ double tax treaties minimize withholding taxes on cross-border income, a critical advantage for funds holding infrastructure or real estate across multiple jurisdictions.
Legal Structures for Part ELTIFs
An ELTIF in Luxembourg can adopt various legal forms: a common fund (FCP), an investment company with variable capital (SICAV), or a fixed capital company (SICAF). The choice depends on investor type, distribution strategy, and tax considerations. For Part II ELTIFs, the SICAV is the most popular due to its flexibility in share issuance and redemption.
The ELTIF must appoint a Luxembourg-based depositary and an alternative investment fund manager (AIFM) authorized under the AIFMD. The AIFM can be a Luxembourg-based entity or an EU AIFM passporting its services. This dual oversight ensures asset safekeeping and operational integrity.
Part II UCI vs. SIF vs. RAIF
A Part II UCI ELTIF is subject to CSSF product authorization, making it suitable for retail distribution. A SIF ELTIF, governed by the SIF law of 2007, requires a minimum investment of €125,000 per investor, limiting it to well-informed investors. A RAIF ELTIF, introduced in 2016, is not subject to CSSF product approval but must be managed by an authorized AIFM, offering speed to market (20 days from filing). Each structure has distinct investor eligibility and regulatory burdens.
Choosing the Right Vehicle
For managers targeting retail investors, the Part II UCI is the only viable option, as SIFs and RAIFs are restricted to professional or well-informed investors. However, the Part II route involves longer CSSF review. For institutional ELTIFs, a RAIF offers the fastest launch, while a SIF balances speed with a recognized label. Our team at Lerusse Merckx & Partners can guide you through this decision, considering your distribution goals and investor base.
CSSF Authorization and Ongoing Compliance
Obtaining CSSF authorization for a Part II ELTIF requires a detailed application including the prospectus, AIFM agreement, depositary contract, and proof of minimum capital. The CSSF assesses the fund’s compliance with ELTIF eligible assets, diversification rules (no more than 20% in a single asset), and leverage limits (up to 100% of NAV for retail ELTIFs).
Once authorized, the ELTIF must comply with ongoing reporting: annual reports within 4 months of year-end, semi-annual reports within 2 months, and CSSF-specific filings. The AIFM also reports under AIFMD Annex IV. Transparency requirements include pre-contractual disclosures on costs, redemption policy, and sustainability risks under SFDR.
Authorization Process and Timeline
The CSSF aims to process complete Part II ELTIF applications within 3 to 4 months. In practice, pre-filing discussions with the CSSF can expedite the process. Key milestones include: (1) preparation of constitutional documents, (2) CSSF review and comments, (3) incorporation and capital subscription, and (4) final authorization. For RAIF ELTIFs, the timeline is reduced to 20 days after filing with the CSSF, as no product approval is required.
Reporting and Transparency Obligations
ELTIFs must publish a Key Information Document (KID) for retail investors, detailing risks, costs, and performance scenarios. Annual and semi-annual reports must include a portfolio statement, balance sheet, and profit and loss account. The CSSF also requires notification of any material changes to the fund’s documents or service providers. Non-compliance can lead to sanctions, including withdrawal of authorization.
Taxation of Part ELTIFs
Luxembourg-resident ELTIFs are subject to corporate income tax (CIT) at 24.94% (including municipal business tax for Luxembourg City) on worldwide profits, but most ELTIFs are structured as tax-transparent FCPs or exempt SICAVs. The subscription tax is the primary levy: 0.01% per annum on net assets, calculated quarterly. ELTIFs investing in long-term assets may qualify for a full exemption from subscription tax, subject to conditions.
VAT on management services is generally exempt under the fund management exemption. Investors are taxed according to their residence and the fund’s legal form. Luxembourg does not impose withholding tax on distributions from ELTIFs, except for certain debt-like returns. The use of Luxembourg’s treaty network can significantly reduce foreign withholding taxes on underlying investments.
Subscription Tax and VAT
The standard subscription tax rate for Part II ELTIFs is 0.01% of net assets. However, ELTIFs that invest exclusively in long-term assets (as defined by the ELTIF Regulation) and meet certain criteria can apply for a full exemption. This exemption is a key advantage over other fund regimes, where the rate can be 0.05% (SIF) or 0.01% (RAIF). VAT on management fees is exempt, reducing operational costs.
Investor Tax Considerations
Luxembourg does not levy withholding tax on dividends or interest paid by an ELTIF to non-resident investors. Resident investors are subject to progressive income tax. For corporate investors, participation exemption may apply to dividends from qualifying subsidiaries. The ELTIF’s tax transparency (if structured as an FCP) allows investors to benefit directly from treaty relief, avoiding double taxation.
Comparison with Other Fund Regimes
The ELTIF label offers distinct advantages over traditional alternative fund structures. Unlike a RAIF Luxembourg, which is limited to well-informed investors, an ELTIF can access retail capital across the EU. Compared to a SIF Luxembourg, the ELTIF benefits from a harmonized EU passport and specific long-term asset rules, while a SIF requires a higher minimum investment.
For managers already operating a SOPARFI Luxembourg holding structure, an ELTIF can complement the platform by pooling long-term investments in a regulated vehicle. The ELTIF’s ability to invest in unlisted companies and real estate aligns well with private equity and infrastructure strategies, as detailed in our Private Equity and Venture Capital in Luxembourg guide.
ELTIF vs. RAIF vs. SIF
A RAIF offers speed (20-day launch) and no product approval, but cannot target retail investors. A SIF requires CSSF approval and a €125,000 minimum investment, limiting its retail appeal. The ELTIF bridges this gap, providing a retail passport with a lower entry threshold. However, ELTIFs face stricter asset eligibility and leverage limits, which may constrain some strategies.
Advantages of the ELTIF Label
The ELTIF label signals a long-term, real-economy focus, attracting ESG-conscious and impact investors. The revised ELTIF 2.0 rules allow greater flexibility in co-investments and fund-of-funds structures, making it a versatile tool for asset managers. Combined with Luxembourg’s AIFM Luxembourg ecosystem, an ELTIF can be managed by a fully authorized AIFM, ensuring robust governance and investor protection.
Questions fréquentes (FAQ)
What is the minimum capital for a Part II ELTIF in Luxembourg?
The minimum capital is €1.25 million, which must be reached within 6 months of authorization. For a SICAV, the minimum net assets are also €1.25 million.
How long does CSSF authorization take for a Part II ELTIF?
The CSSF typically processes a complete application within 3 to 4 months. Pre-filing meetings can accelerate the timeline.
Can an ELTIF be marketed to retail investors?
Yes, an ELTIF structured as a Part II UCI can be marketed to retail investors across the EU under the ELTIF passport, subject to providing a Key Information Document (KID).
What is the subscription tax rate for an ELTIF?
The standard rate is 0.01% per annum on net assets. ELTIFs investing exclusively in long-term assets may qualify for a full exemption.
Is an AIFM required for a Part II ELTIF?
Yes, an ELTIF must appoint an authorized AIFM under the AIFMD. The AIFM can be a Luxembourg-based entity or an EU AIFM passporting its services.
The Part ELTIF in Luxembourg represents a powerful convergence of European long-term investment policy and Luxembourg’s fund expertise. By leveraging the Part II UCI framework, managers can access retail capital while benefiting from a robust regulatory and tax environment. The ELTIF 2.0 reforms have further enhanced its appeal, making it a cornerstone for infrastructure, real estate, and private debt strategies.
At Lerusse Merckx & Partners, we combine deep regulatory knowledge with practical structuring experience to guide you through every step—from vehicle selection to CSSF authorization and ongoing compliance. Whether you are launching your first ELTIF or optimizing an existing platform, our team is ready to assist.
Contact our investment funds team today to discuss your Part ELTIF project and secure a tailored structuring solution.
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