Version status: Applicable | Document consolidation status: Updated to reflect all known changes
Version date: 1 January 2014 - onwards
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Article 150 Conditions for permanent partial use

1. Where institutions have received the prior permission of the competent authorities, institutions permitted to use the IRB Approach in the calculation of risk-weighted exposure amounts and expected loss amounts for one or more exposure classes may apply the Standardised Approach for the following exposures:

(a) the exposure class laid down in Article 147(2)(a), where the number of material counterparties is limited and it would be unduly burdensome for the institution to implement a rating system for these counterparties;

(b) the exposure class laid down in Article 147(2)(b), where the number of material counterparties is limited and it would be unduly burdensome for the institution to implement a rating system for these counterparties;

(c) exposures in non-significant business units as well as exposure classes or types of exposures that are immaterial in terms of size and perceived risk profile;

(d) exposures to central governments and central banks of the Member States and their re