U IT's blog

This communication aims to provide clarity in relation to the submission of PRIIP KIDs ( “KID”) to the CSSF and most particularly, which key points need to be focused on to ensure consistency between the content of the KID and the prospectus.

Starting on 31 December 2025, U1.1 reporting will change. The transmission of these reports may be delegated, and the designation of submitters will be carried out using the delegation module included in the dedicated eDesk procedure.

À partir du 31 décembre 2025, le reporting U1.1 évolue. La transmission de ces reportings pourra être déléguée, et la désignation des remettants sera effectuée depuis le module de délégation inclus dans la démarche eDesk dédiée.

The CSSF has issued Circular CSSF 25/900, introducing changes to the regulatory framework set out in Circular CSSF 22/811, which governs the authorization, organization and ongoing supervision of UCI (Undertakings for Collective Investment) administrators in Luxembourg.

The Commission de Surveillance du Secteur Financier (CSSF) has published a communiqué outlining its enforcement priorities for annual reports covering the 2025 financial year for issuers subject to the Luxembourg Transparency Law (Law of 11 January 2008).

The CSSF has published two communications highlighting important upcoming legal reporting obligations under EMIR, reflecting developments introduced by EMIR 3 and ongoing efforts to improve data quality in derivatives reporting.

Le Tableau B 4.6 fait partie du reporting prudentiel national que les établissements de crédit luxembourgeois doivent soumettre chaque année à la Commission de Surveillance du Secteur Financier (CSSF). Il porte sur les responsables des fonctions clés et activités importantes au sein de chaque banque et succursale établie au Luxembourg.

The Commission de Surveillance du Secteur Financier (CSSF) has published an updated version (17.0) of its Additional Guidance for Credit Institutions Related to Specific Reporting Aspects. This document provides detailed explanations and examples to help banks in Luxembourg correctly fulfil their prudential reporting obligations to the CSSF and European authorities (e.g., ECB, EBA).

En 2014, la BCL a publié des instructions détaillées pour la collecte de nouveaux rapports réglementaires qui concernent les sociétés financières (luxembourgeoises). Cette collecte, nommée couramment « reporting », permet de suivre l’évolution des bilans, transactions et portefeuilles titres des institutions financières résidentes.

In 2014, the BCL published detailed instructions for the collection of new regulatory reports concerning (Luxembourg) financial companies. This collection, commonly referred to as “reporting”, makes it possible to monitor the evolution of balance sheets, transactions, and securities portfolios of resident financial institutions.

From 1 February 2026, Table B2.4, which details participations and subordinated loans, must be submitted via eDesk or S3/API. A detailed user guide will be made available on eDesk shortly.

À partir du 1er février 2026, le tableau B2.4, qui détaille les participations et prêts subordonnés, devra être soumis annuellement via eDesk ou S3/API.