meta_id 3150372

On May 12, 2026, the Commission de Surveillance du Secteur Financier (CSSF), Luxembourg's financial regulator, launched a supplementary voluntary survey to assess industry preparedness for the transition from a T+2 to T+1 settlement cycle. This transition, mandated by the Central Securities Depositories Regulation (CSDR) as amended by Regulation (EU) No. 2025/2075, becomes effective on October 11, 2027. The CSSF survey complements a parallel readiness assessment conducted by the EU T+1 Industry Committee (EUIC). The T+1 migration represents a significant operational change requiring comprehensive review of systems and processes across the entire trading and post-trading chain, extending beyond the settlement layer. The CSSF emphasises that broad participation from all financial sectors is essential to obtain an accurate overview of preparation status and identify areas requiring further attention. The survey targets central securities depositories, investment firms, credit institutions, and investment fund managers operating in Luxembourg. Responses to the CSSF survey remain confidential and available only to the CSSF and the European Securities and Markets Authority (ESMA). Results from the EUIC survey are provided on an anonymous, aggregated basis only. Both surveys remain open until June 9, 2026. Market participants are strongly encouraged to participate in the CSSF's voluntary survey to provide visibility on Luxembourg's preparation status and highlight potential points of concern. For additional regulatory and legal details on the T+1 transition, the CSSF directs participants to ESMA's dedicated webpage and the EU T+1 Industry Committee's website. REFERENCES: https://www.cssf.lu/en/publication/transition-vers-t1-lancement-dune-enquete-complementaire-a-lenquete-de-leuic-uniquement-en-anglais/