1.7 In CP16/22, the PRA set out its proposals to implement the parts of the Basel III standards that remain to be implemented in the UK. The PRA refers to them as the 'Basel 3.1 standards'. The proposals addressed the final elements of the Basel III standards concerning the measurement of risk-weighted assets (RWAs) [RWAs are an estimate of risk that determines the minimum level of regulatory capital a firm is required to maintain to deal with unexpected losses.] - the denominator of risk-based capital ratios. They aimed to restore the credibility of RWA calculations by improving the measurement of risk in both the internal models (IM) approaches and SAs, and the comparability of risk measurement across firms.
1.8 For the CP16/22 chapters relevant to this near-final PS, the PRA proposed the following:
• Scope and levels of application: to replicate the CRR scope of application, excluding Transitional Capital Regime (TCR) firms and TCR consolidation entities; replicate the CRR levels
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