The Bottom Line
- New Rulebook, New Focus: From 1 January 2026, the primary source for prudential requirements for credit institutions shifts from retained EU law (the Capital Requirements Regulation) to the UK’s Prudential Regulation Authority (PRA) Rulebook.
- Compliance Certainty: These regulations finalize the legal transition by updating existing UK laws, removing now-obsolete references to EU legislation. This provides a clear and consolidated UK-specific legal framework.
- Foundation for Future Change: While the initial rules will mirror the old regime, this move grants the PRA greater agility to adapt and tailor prudential standards for the UK financial market, signalling a new era of domestic regulatory strategy.
The Details
This regulation is a critical final step in the UK’s post-Brexit financial services journey, stemming from the landmark Financial Services and Markets Act 2023 (FSMA 2023). The core purpose of FSMA 2023 was to replace the vast body of retained EU financial law with a framework designed and managed by UK regulators. A key piece of this retained legislation, the Capital Requirements Regulation (CRR), which dictates prudential and capital adequacy rules for banks and investment firms, is being revoked. These new regulations are the consequence of that revocation, tidying up the UK statute book.
The core function of this instrument is administrative but essential. It acts as a legal “find and replace,” combing through primary and secondary UK legislation—including the Banking Act 2009 and the Bank Recovery and Resolution Order 2014—to remove specific cross-references to the outgoing EU CRR. Without these amendments, UK law would contain defunct references, creating legal ambiguity and operational risk for firms. By making these consequential changes, the government ensures the UK’s financial legal framework remains coherent, consistent, and fully detached from the old EU regime.
For business leaders and legal counsel, the message is clear: the era of referencing retained EU law for prudential standards is ending. The PRA Rulebook is now the definitive source. While the Explanatory Note confirms that the PRA is transposing the substance of the CRR into its own rules to ensure a smooth transition, the structural shift is significant. It completes the move to a more agile regulatory model, where the PRA has the direct authority and flexibility to shape prudential policy for the UK economy. Firms must ensure their compliance frameworks, internal policies, and reporting mechanisms are fully aligned with the PRA Rulebook by the 1 January 2026 deadline.
Source
Source: The King’s Printer of Acts of Parliament (legislation.gov.uk)
