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CP10 (Full Document) - European Banking Authority

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differentiated if their loss rates differ significantly. Examples are<br />

credit cards, overdrafts, and others.<br />

167. The demonstration of the low volatility of loss rates mentioned in<br />

indent (d) must be made at least in the course of the IRB approval<br />

process, and afterwards at any time on request. The benchmark<br />

level is to be the volatility of loss rates for the QRR portfolio relative<br />

to the volatility of loss rates for the other retail exposure subclasses.<br />

168. Institutions should provide data on the mean and standard deviation<br />

of the loss rates of all three retail exposure sub­classes and the<br />

exposure types (credit cards, overdrafts and/or others). The<br />

coefficient of variation (the standard deviation divided by the mean)<br />

is suggested as a measure of volatility, as it normalizes the standard<br />

deviation by the mean. Loss rate should be defined as the realised<br />

loss within a fixed period of time, measured as percentage of the<br />

exposure class value. Realized losses means write­offs and value<br />

adjustments on the exposures, plus foregone interest payments.<br />

3.3.1.1.3. Retail exposures secured by real estate collateral<br />

169. Annex VII, Part 1, Paragraph 10 of the CRD states that for retail<br />

exposures secured by real estate collateral, a correlation (R) of 0.15<br />

shall replace the figure produced by the correlation formula in<br />

Paragraph 9. Any retail exposure to which the institution assigns real<br />

estate collateral for its internal risk measurement purposes should be<br />

classified as an exposure secured by real estate collateral. For retail<br />

exposures to which no real estate collateral has been assigned,<br />

proceeds from real estate collateral must not be considered for the<br />

LGD estimation.<br />

3.3.1.2. Corporate Exposure class<br />

3.3.1.2.1. SMEs in the corporate exposure class<br />

170. In Annex VII, Part 1, Paragraph 4 of the CRD, which requires<br />

institutions to substitute total assets for total sales in the modified<br />

correlation formula for SME exposures when total assets is a more<br />

meaningful indicator of firm size, the term ‘sales’ can be defined as<br />

total gross revenue received by a firm from selling goods and<br />

services in the normal course of business. For some industries,<br />

‘sales’ needs to be defined more exactly. For example, insurance<br />

companies sales should be defined as gross premium income. It is<br />

not necessary to come up with uniform definitions, as country<br />

specificities may be important.<br />

171. While the CRD requires substituting assets for sales when this is a<br />

more meaningful indicator, so far no industry has been identified<br />

where this applies. Substitution on a voluntary basis may be possible<br />

when the institution can present evidence that this is at least an<br />

Page 41 of 123

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