Institutions shall calculate risk-weighted
exposure amounts for credit risk for all
exposures belonging to the
exposure class ‘equity’ referred to in point (e) of Article 147(2) in accordance with Article 155.
Institutions may use the approaches set out in Article 155(3) and (4) where they have received the prior permission of the
competent authorities.
Competent authorities shall grant permission for an
institution to use the internal models approach set out in Article 155(4) provided that the
institution meets the requirements set out in Sub-section 4 of Section 6.