XBRL

  • CSSF-CODERES 26/22: SRF Data Reporting Due 15 January 2027

    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…

  • UK FINREP Reporting: PRA Rules, Templates and Filing Deadlines

    UK FINREP is supervisory financial reporting governed by the Reporting (CRR) Part of the PRA Rulebook. That Part applies to CRR firms and CRR consolidation entities; Article 430(3) sets financial-information requirements for firms within that provision, while Chapters 5A-5F set additional requirements for reduced FINREP firms. For FINREP data items required under Article 430(3) together…

  • ESRS XBRL Taxonomy: Digital Tagging Before the Mandate

    On 17 September 2026, EFRAG released the draft ESRS XBRL taxonomy for the revised ESRS and opened a public consultation that runs until 11 November 2026. The taxonomy is the technical structure that will let a sustainability statement prepared under the revised European Sustainability Reporting Standards be produced in a machine-readable form. EFRAG plans to…

  • ESPREP-STT Reporting in Luxembourg: The Retired IRRBB Stress Test

    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 Circular CSSF 08/338, the instrument behind it, and the ESPREP-STT workbook itself have both been archived since 6 August 2025, and the CSSF catalogue records the circular as repealed.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…

  • CSSF B 2.5 B and B 2.5 E Reporting: Luxembourg Staff Costs and Taxes

    Once a year, credit institutions within scope report the CSSF’s B 2.5 national return. The survey uses sub-template B 2.5 B for staff expenses and sub-template B 2.5 E for taxes, with B 2.5 E populated only in accounting version L. The CSSF calls the pair its Survey on staff expenses and taxes. The tables…

  • EBA Validation Rules: What Changes in the Q3 2026 Update

    On 14 September 2026, the European Banking Authority updated its validation-rule files and published a small validation package for its reporting frameworks. The EBA taxonomy is primarily intended for data transmission between competent authorities and the EBA; institutions submit supervisory information to their competent authorities, which determine the technical collection arrangements they apply. The EBA’s…

  • COR015 High Earners Report: The PRA’s Annual Remuneration Return

    Firms in scope of Chapter 18 of the PRA Rulebook must submit the Remuneration High Earners Report annually. The report is due to the PRA within four months of the firm’s accounting reference date and, under Rules 18.4 and 18.5, covers high earners who mainly undertook their professional activities within the UK; Rule 18.6 reports…

  • PS18/26 Solvency UK Reporting: The 31 December 2026 Changes

    On 29 July 2026 the Prudential Regulation Authority published PS18/26, the policy statement that finalises the Solvency UK reporting and disclosure changes firms will apply for reporting reference dates on or after 31 December 2026. It sets out the PRA’s response to CP22/25 on post-implementation reporting and disclosure amendments and to Proposal 1 of CP4/26…

  • COFREP Validation Rules: The CSSF List Banks Must Recheck

    On 21 July 2026, the CSSF updated its COFREP guidance workbook to add the EBA small validation rules package dated 10 June 2026. The workbook states that this package applies to credit institution reports submitted to the CSSF from 15 July 2026. It identifies the applicable EBA package and links to the EBA source material;…