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The calculation of lump sum specific provisions for non-ignificant significant deals is covered by the component Collective Impairment Workbench. As such, the configuration is embedded in master scenarios.
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The calculation of the amount of the lump sum specific provision takes statistical methods into account. These methods are applied to the historical performance data for the segment. The output outcome is a loss rate that is applied to the total exposure for the an individual deal.(For details on supported approaches for non-significant deals with or without consideration of collateral, please read more in the manual: Impairment IFRS9 stage 3, Calculation of Lump Sum Specific provisioning.)