Newsletters & Newsflashes

On 2 October 2025, the Higher Administrative Court ( Cour administrative) issued a ruling in case n° 51646C (the “ Decision”), regarding the extent to which a former manager of a Luxembourg resident company called in guarantee may challenge the underlying tax assessments of that company. While the

On 30 September 2025, the CSSF published an updated version of its Frequently Asked Questions (FAQ) on international financial sanctions. This update replaces the previous version dated March 2022 and substantially expands the FAQ to reflect the current regulatory framework applicable in Luxembourg

On 8 October 2025, Draft Law No. 8633 was submitted to the Luxembourg Parliament ( Chambre des Députés) (the “ Draft Law”) to introduce a new tax exemption on interest earned by Luxembourg resident individuals on certain specific bonds issued by a State. To meet its NATO defence spending commitments

Background On 4 April 2025, Draft Law No. 8526 (the “ Draft Law”) was submitted to the Luxembourg Parliament ( Chambre des Députés ) and intends to introduce, as from fiscal year 2026, a tax credit for private individuals investing in Luxembourg startups amounting to 20% of their equity investment

Communication On 30 September 2025, the CSSF published a communication on the AML/CFT Market Entry Form (“ MEF”). The MEF aims at collecting standardised key information in relation to money laundering and terrorist financing risks which must be submitted by funds (to be) authorised (including

The Draft Law No. 8627 (the " Draft Law"), was presented to the Luxembourg Parliament on 2 October 2025, aiming to transpose: the Capital Requirements Directive VI: Directive (EU) 2024/1619 of 31 May 2024 amending Directive 2013/36/EU as regards supervisory powers, sanctions, third-country branches

In July 2025, the Luxembourg government drew up a draft Grand-Ducal Regulation (the “ Draft Regulation”) amending the Grand-Ducal Regulation of 9 January 1974 on the determination of tax withholding on salaries and pensions (the “ Regulation”). Context: flat-rate withholding tax for occasional work

On 4 September 2025, the ECJ delivered its decision in the Arcomet case ( C-726/23) following a request for preliminary ruling on whether intragroup remuneration adjustment for services, determined under the transfer pricing (“ TP”) Transactional Net Margin Method (“ TNMM”), is subject to VAT and

Key takeaways On 6 August 2025, the Luxembourg Higher Administrative Court ( Cour administrative ) handed down a decision (n °52321C ) whereby taxpayers cannot themselves request an ex-post review following the filing of an inaccurate tax return. From the Court’s perspective, the decision to carry

On 31 July 2025, the Belgian Constitutional Court referred a request for a preliminary ruling to the European Court of Justice (the “ ECJ”) on the compatibility of Council Directive 2022/2553 of 14 December 2022 on ensuring a global minimum level of taxation for multinational enterprise groups and

On 22 August 2025, the Luxembourg Tax Authorities (hereafter the “ LTA”) published the administrative circular L.I.R. n°168 quater /2 (the “ Circular”) clarifying the requirements to be met by collective investment vehicles (“ CIV”) to benefit from the exemption from the reverse hybrid rule

The changing investment landscape in European Defense and the role of private and public capital The European Union (EU) is witnessing a significant transformation in its defense investment strategy, driven by geopolitical dynamics and a renewed emphasis on strategic autonomy. Initiatives such as