Blog
Regulatory reporting notes for investment funds and financial companies in Luxembourg and across the EU. What changed, what it means for the data you file, and what breaks a submission in practice.
We publish here as the rules move: CSSF and BCL circulars, EBA and ESMA frameworks, DORA, AIFMD, CESOP, FATCA and CRS. Each note is written from the filing side — the fields that change, the validations that start failing, and the dates that matter — rather than as a summary of the text. If you are looking for a tool instead, the DORA register validator, the VAT checker and the LEI lookup are free and need no account.
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CSSF Reporting for UCIs: The Complete List of Obligations
A Luxembourg undertaking for collective investment owes the CSSF twelve distinct reporting obligations, spread across five frequencies and six transmission channels. This page lists every one of them…
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CSSF File Naming Conventions for Electronic Reporting
Master CSSF file naming conventions for electronic reporting: Learn the exact formats for COF, DOC, EDP, EME, ESP, FRC, OPC, PSF, SGO, SIC, SUF and OTH reports. Ensure compliance and avoid rejection.
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CSSF: General information in relation to the annual review of PRIIP-KIDs (UCITS)
General Information Regarding the Annual Review of PRIIP Kids UCITS The Commission de Surveillance du Secteur Financier (CSSF) has released important updates concerning the annual review of Packaged…
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CSSF: Publication of three new questions and answers provided by the European Commission on investment-management-related queries
European Commission publishes three new Q&As on investment management: Learn about updated guidance on investment strategies, risk management practices, and transparency requirements for investment managers and stakeholders.
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CSSF: Shortening Settlement Cycle in the EU
Shortening the Settlement Cycle in the EU: A Step Towards Efficiency The European Union is taking significant steps to enhance the efficiency of its financial markets by shortening…
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CSSF: High-level Roadmap to T+1 Securities Settlement in the EU and related call for Feedback (until 31 August 2025)
High-Level Roadmap to T1 Securities Settlement in the EU The Commission de Surveillance du Secteur Financier (CSSF) has released a comprehensive roadmap aimed at enhancing the securities settlement…
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CSSF: Countdown to halving settlement times on financial markets – European survey on T+1
Countdown to Halving Settlement Times on Financial Markets: Insights from the European Survey on T+1 The financial landscape in Europe is on the brink of a significant transformation…
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CSSF: Circular CSSF 22/811 (as amended by Circular CSSF 25/900) (Updated)
Understanding Circular CSSF 22/811: Key Insights The Commission de Surveillance du Secteur Financier (CSSF) has issued Circular CSSF 22/811, which provides essential guidelines for professionals in the financial…
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CSSF: Circular IML 91/75 (as amended by Circulars CSSF 05/177, 18/697, 21/790, 22/811 and 25/901) (Updated)
Understanding Circular IML 91/75: Key Insights The Circular IML 91/75 issued by the Commission de Surveillance du Secteur Financier (CSSF) provides essential guidelines for investment firms operating in…
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CSSF: MMF Reporting dashboard – December 2024
MMF Reporting Dashboard – December 2024 The Monetary Market Fund (MMF) Reporting Dashboard for December 2024 provides valuable insights into the performance and stability of MMFs within the…
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CSSF: UCITS V – Practical issues in relation to the UCITS V regime and depositary aspects in relation to Part II UCIs
Understanding UCITS V: Practical Issues and Depositary Aspects The UCITS V directive represents a significant evolution in the regulatory framework governing Undertakings for Collective Investment in Transferable Securities…
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CSSF: Commission Delegated Regulation (EU) 2019/1866 of 3 July 2019
Understanding the Commission Delegated Regulation (EU) 2019/1866 The Commission Delegated Regulation (EU) 2019/1866, adopted on July 3, 2019, plays a crucial role in the regulatory framework governing financial…
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