Title[ Part 2: The First Pillar - Minimum Capital Requirements
Section[ 2. Calculation of provisions
(i) Exposures subject to IRB approach
380. Total eligible provisions are defined as the sum of all provisions (e.g. specific provisions, partial write-offs, portfolio-specific general provisions such as country risk provisions or general provisions) that are attributed to exposures treated under the IRB approach. In addition, total eligible provisions may include any discounts on defaulted assets. Specific provisions set aside against equity and securitisation exposures must not be included in total eligible provisions.
(ii) Portion of exposures subject to the standardised approach to credit risk
381. Banks using the standardised approach for a portion of their credit risk exposures, either on a transitional basis (as defined in paragraphs 257 and 258), or on a permanent basis if the exposures subject to the standardised approach are immaterial (paragraph 259), must determine the portion of general provisions attributed to the standardised or IRB treatment of provisions (see paragraph 42) according to the methods outlined in paragraphs
382 and 383.
382. Banks should generally attribute total general provisions on a pro rata basis according to the proportion of credit risk-weighted assets subject to the standardised and IRB approaches. However, when one approach to determining credit risk-weighted assets (i.e. standardised or IRB approach) is used exclusively within an entity, general provisions booked within the entity using the standardised approach may be attributed to the standardised treatment. Similarly, general provisions booked within entities using the IRB approach may be attributed to the total eligible provisions as defined in paragraph 380.
383. At national supervisory discretion, banks using both the standardised and IRB approaches may rely on their internal methods for allocating general provisions for recognition in capital under either the standardised or IRB approach, subject to the following conditions. Where the internal allocation method is made available, the national supervisor will establish the standards surrounding their use. Banks will need to obtain prior approval from their supervisors to use an internal allocation method for this purpose.
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