The UK securitisation framework The general UK securitisation requirements are principally in the Securitisation Regulations 2024, SI 2024/102, the Securitisation Part of the PRA Rulebook (general securitisation requirements) and the FCA Securitisation Sourcebook (SECN). For information on the UK securitisation regime, see Practice Note: The UK securitisation regime—essentials. In general, the UK framework for securitisation capital comprises the applicable provisions of the UK Capital Requirements Regulation (UK CRR), the PRA Rulebook and related supervisory statements for CRR firms, and the PRA Rulebook for UK Solvency II firms. More specifically: • the UK CRR, in particular Part Three, Title II, Chapter 5 (securitisation capital requirements), including amendments originally made by Regulation (EU) 2017/2401 • the Securitisation Part of the PRA Rulebook (general securitisation requirements) and applicable provisions of the Securitisation (CRR) Part, including rules on external credit assessment institution mapping in force from 1 January 2026 • the Securitisation Regulations 2024 and, for FCA-regulated firms, the FCA Securitisation Sourcebook (SECN), and • for UK Solvency II firms, the Solvency Capital