On 5 October 2026 the CSSF published its first feedback report on Circular CSSF 24/856, the circular that has governed since 1 January 2025 how Luxembourg UCIs and their investment fund managers (IFMs) correct and notify NAV calculation errors, breaches of investment rules and a new class of “other errors”. The report works through the…
On 1 October 2026 the CSSF published Regulation No 26-03, which keeps the Luxembourg countercyclical capital buffer at 0.50% for the fourth quarter of 2026. Dated 30 September and printed in Memorial A No 482, the regulation entered into force on its publication day, so the rate for relevant credit exposures located in Luxembourg through…
Every credit institution in the Luxembourg market files CSSF table B 4.6 at least annually: the table covers 22 specified functions and activities, the annual submission reflects the 31 December position and is due at the CSSF by 20 January of the following year, and changes to persons reported on B 4.6 during the year…
CSSF Table B 2.4 reporting changed shape in November 2025. The CSSF reissued the instructions for the table that records a Luxembourg credit institution’s participating interests and subordinated loans line by line, and the reporting workbook now carries columns and portfolio breakdowns that were not in the earlier version. For the 31 December 2025 reference…
On 18 September 2026 the CSSF told the Luxembourg investment fund industry that, as from 21 September 2026, the activation and deactivation of a suspension of redemptions only must be notified through the eDesk “LMT activation” module. The change reaches Luxembourg-domiciled undertakings for collective investment governed by the Law of 17 December 2010, specialised investment…
The ESPREP-STT reporting template that Luxembourg banks filed for years now sits in the CSSF archive. Circular CSSF 08/338, the instrument behind it, and the ESPREP-STT workbook itself have both been archived since 6 August 2025, and the CSSF catalogue records the circular as repealed. What that return measured, the interest rate risk in the…
On 11 September 2026, the Commission de Surveillance du Secteur Financier (CSSF) reissued its statement on the EuReCA joint controllership arrangement, and the edit is narrow on the page but material underneath it: every reference to the European Banking Authority (EBA) is now a reference to the Authority for Anti-Money Laundering and Countering the Financing…
CESOP reporting in Luxembourg is triggered when, in a calendar quarter, a PSP provides payment services corresponding to more than 25 cross-border payments to the same payee. The count is calculated separately for payment services provided per Member State and per Article 243c(2) payee identifier; where the PSP knows that several identifiers belong to the…
On 27 August 2026 the CSSF published Circular 26/915, and it applies with immediate effect. Circular CSSF 26/915 updates the Luxembourg ICT and outsourcing circular framework following the European Commission position on DORA’s applicability to third-country branches. It removes the TCB categories within the CSSF’s remit from the relevant pre-DORA circular provisions and maps them…
On 27 August 2026 the CSSF issued Circular CSSF 26/915, applicable with immediate effect, to bring specified third-country branches into the CSSF circular framework for DORA. For Luxembourg purposes, the governing scope is the branch perimeter set out in Circular CSSF 26/915 and in each amended circular; the change is not a blanket head-office-only test…