Version status: Applicable | Document consolidation status: Updated to reflect all known changes
Version date: 1 January 2014 - onwards
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Article 155 Risk-weighted exposure amounts for equity exposures

1. Institutions shall determine their risk-weighted exposure amounts for equity exposures, excluding those deducted in accordance with Part Two or subject to a 250 % risk weight in accordance with Article 48, in accordance with the approaches set out in paragraphs 2, 3 and 4 of this Article. An institution may apply different approaches to different equity portfolios where the institution itself uses different approaches for internal risk management purposes. Where an institution uses different approaches, the choice of the PD / LGD approach or the internal models approach shall be made consistently, including over time and with the approach used for the internal risk management of the relevant equity exposure, and shall not be determined by regulatory arbitrage considerations.

Institutions may treat equity exposures to ancillary services undertakings in accordance with the treatment of other non credit-obligation assets.

2. Under the simple risk weight approach, the risk-weighted expo