Version status: Amended | Document consolidation status: Updated to reflect all known changes
Version date: 1 January 2019 - onwards
  Version 5 of 5    

Article 263 Calculation of risk-weighted exposure amounts under the External Ratings Based Approach (SEC-ERBA)

1. Under the SEC-ERBA, the risk-weighted exposure amount for a securitisation position shall be calculated by multiplying the exposure value of the position as calculated in accordance with Article 248 by the applicable risk weight in accordance with this Article.

2.

For exposures with short-term credit assessments or when a rating based on a short-term credit assessment may be inferred in accordance with paragraph 7, the following risk weights shall apply:

Table 1

Credit Quality Step

1

2

3

All other ratings

Risk weight

15 %

50 %

100 %

1 250 %

3. For exposures with long-term credit assessments or when a rating based on a long-term credit assessment may be inferred in accordance with paragraph 7 of this Article, the risk weights set out in Table 2 shall apply, adjusted as applicable for tranche maturity (MT) in accordance with Article 257 and paragraph 4 of this Article and for tranche thickness for non-senior tranches in accordance with paragraph 5 of this Article: