If the institution's model is recognised by the competent authorities in accordance with paragraph 4 for the purpose of calculating capital requirements for specific risk, the institution shall increase its capital requirement calculated pursuant to paragraphs 6, 7 and 10 by a surcharge in the amount of either:
(i) the specific risk portion of the value-at-risk measure which should be isolated according to supervisory guidelines; or, at the institution's option,
(ii) the value-at-risk measures of sub-portfolios of debt and equity positions that contain specific risk.