nominated ECAI
- (a) (in the case of an eligible ECAI within paragraph (a) of the definition of that term (Recognition for exposure risk-weighting purposes)) an eligible ECAI nominated by a firm in accordance with BIPRU 3.6 (Use of rating agencies' credit assessments for the determination of risk weights under the standardised approach to credit risk) for the purpose of calculating its risk weighted exposure amounts under the standardised approach to credit risk except under (b);
- (b) (in the case of an eligible ECAI within paragraph (b) of the definition of that term (Recognition securitisation risk-weighting purposes)) an eligible ECAI nominated by a firm in accordance with BIPRU 9.8 (Use of ECAI credit assessments for the determination of applicable risk weights) for the purpose of calculating its securitisation risk weighted exposure amounts.