On 1 October 2026 the CSSF announced that eRegister by eDesk, the product it created to give financial sector professionals access to public information, now includes an interface for consulting prospectuses approved by the CSSF. The CSSF eRegister had gone live a month earlier with one feature: API access to the identification data of funds,…
On 2 October 2026 the CSSF’s Conseil de protection des déposants et des investisseurs (CPDI), Luxembourg’s designated authority for deposit guarantees, published Circular CSSF-CPDI 26/52. It launches the quarterly survey of covered deposits held on 30 September 2026 and gives every member of the Fonds de garantie des dépôts Luxembourg (FGDL) until 16 November 2026…
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 29 September 2026 the CSSF’s Resolution Board published Circular CSSF-CODERES 26/22, which launches the Single Resolution Board’s data collection for the 2027 contribution period of the Single Resolution Fund (SRF). The circular requires Luxembourg credit institutions within the Single Resolution Mechanism to send the SRB’s 2027 Data Reporting Form (DRF) to the CSSF in…
SOLV reporting is the CSSF’s own funds return for Luxembourg banks. The CSSF handbook “Reporting requirements for credit institutions” (version 8.3 of 17 November 2025) splits it into two domains: SSOLV, own funds requirements (solvency ratio) on an individual basis, and CSOLV, the same information on a consolidated basis. Both rest on Article 430(1)(a) of…
Circular CSSF 26/908 of 25 March 2026 changed how Luxembourg lenders file ESPREP-RES reporting, the semi-annual residential real estate lending indicators, and deleted the file-naming block behind this report’s internal code, ESPREP-ENNNN-YYYY-MM-RES. The underlying return under Circular CSSF 18/703 remains in force. The amended transmission section provides a dedicated eDesk approach and a JSON-based API…
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…
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…
From 1 April 2027, a Luxembourg payment institution or electronic money institution still using the current Excel-based reporting process, or a crypto-asset service provider authorised under Article 63 of MiCAR, must submit the reports covered by the new CSSF prudential reporting framework through eDesk; the previous reporting process for those reports will be discontinued. On…