Related provisions for BIPRU 4.3.83

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BIPRU 4.3.29RRP
A firm must have robust systems in place to validate the accuracy and consistency of rating systems, processes, and the estimation of all relevant risk parameters (PD, LGD, conversion factors and EL). A firm must be able to demonstrate to the appropriate regulator that the internal validation process enables it to assess the performance of internal rating and risk estimation systems consistently and meaningfully.[Note:BCD Annex VII Part 4 point 110]
BIPRU 4.3.37RRP
A firm must have sound internal standards for situations where deviations in realised PDs, LGDs, conversion factors and, where EL is used, total losses, from expectations become significant enough to call the validity of the estimates into question. These standards must take account of business cycles and similar systematic variability in default and loss experience. Where realised values continue to be higher than expected values, a firm must revise estimates upward to reflect
BIPRU 4.3.73RRP
BIPRU 4.3.74 R to BIPRU 4.3.131 R apply to a firm's own estimates of risk parameters used in the IRB approach.[Note:BCD Annex VII Part 4 point 43]
BIPRU 4.3.74RRP
A firm's own estimates of the risk parameters PD, LGD, conversion factor and EL must incorporate all relevant data, information and methods. The estimates must be derived using both historical experience and empirical evidence, and must not be based purely on judgemental considerations. The estimates must be plausible and intuitive and must be based on the material drivers of the respective risk parameters. The less data a firm has, the more conservative it must be in its estimation.[Note:BCD
BIPRU 4.3.103RRP
A firm must use LGD estimates that are appropriate for an economic downturn if those are more conservative than the long-run average. To the extent a rating system is expected to deliver constant realised LGDs by grade or pool over time, a firm must make adjustments to its estimates of risk parameters by grade or pool to limit the capital impact of an economic downturn.[Note:BCD Annex VII Part 4 point 74]
BIPRU 4.3.127RRP
A firm must use conversion factor estimates that are appropriate for an economic downturn if those are more conservative than the long-run average. To the extent a rating system is expected to deliver realised conversion factors at a constant level by grade or pool over time, a firm must make adjustments to its estimates of risk parameters by grade or pool to limit the capital impact of an economic downturn.[Note:BCD Annex VII Part 4 point 88]
BIPRU 4.4.8RRP
An obligor grade means for the purpose of BIPRU 4 as it applies to the sovereign, institution and corporate IRB exposure class a risk category within a rating system's obligor rating scale, to which obligors are assigned on the basis of a specified and distinct set of rating criteria, from which estimates of PD are derived. A firm must document both the relationship between obligor grades in terms of the level of default risk each grade implies and the criteria used to distinguish
BIPRU 4.4.28RRP
To the extent that a firm associates or maps its internal grades to the scale used by an ECAI or similar organisations and then attributes the default rate observed for the external organisation's grades to the firm's grades, mappings must be based on a comparison of internal rating criteria to the criteria used by the external organisation and on a comparison of the internal and external ratings of any common obligors. Biases or inconsistencies in the mapping approach or underlying
BIPRU 4.8.5RRP
The estimates for determining the risk parameters PD, LGD, conversion factor and EL must reflect all relevant information available to the purchasing firm regarding the quality of the underlying receivables, including data for similar pools provided by the seller, by the purchasing firm, or by external sources. The purchasing firm must evaluate any data relied upon which is provided by the seller.[Note: BCD Annex VII Part 4 point 53]
BIPRU 4.8.16RRP
For its corporate exposure purchased receivables a firm must comply with the minimum requirements set out in BIPRU 4.8.11 R - BIPRU 4.8.15 R. For corporate exposure purchased receivables that comply in addition with the conditions set out in BIPRU 4.8.18 R, and where it would be unduly burdensome for a firm to use the risk quantification standards for corporate exposures as set out in the minimum IRB standards for these receivables, the risk quantification standards for retail
BIPRU 9.12.1RRP
BIPRU 9.12 applies to the calculation of risk weighted exposure amounts of securitisation positions under the IRB approach.[Note:BCD Annex IX Part 4 point 37 (part)]
BIPRU 9.12.20RRP
(1) If:(a) a firm'sIRB permission allows it to use this treatment; and(b) the conditions in (2)(16) are satisfied,a firm may attribute to an unrated position in an asset backed commercial paper programme a derived rating as laid down in (3).(2) Positions in the commercial paper issued from the programme must be rated positions.(3) Under the ABCP internal assessment approach, the unrated position must be assigned by the firm to one of the rating grades described in (5). The position
BIPRU 11.6.3RRP
For the purposes of BIPRU 11.6.1 R (4), where a firm uses its own estimates of LGDs or conversion factors for the calculation of risk weighted exposure amounts for exposures falling into the sovereign, institution and corporate IRB exposure class1, the firm must disclose those exposures separately from exposures for which it does not use such estimates.[Note: BCD Annex XII Part 3 point 1 (part)]
BIPRU 11.6.5RRP
A firm applying credit risk mitigation techniques must disclose the following information:(1) the policies and processes for, and an indication of the extent to which the firm makes use of, on- and off-balance sheet netting;(2) the policies and processes for collateral valuation and management;(3) a description of the main types of collateral taken by the firm;(4) the main types of guarantor and credit derivative counterparty and their creditworthiness;(5) information about market
BIPRU 9.10.7RRP
For the purposes of BIPRU 9.10.2 R (as it applies to the IRB approach):(1) the exposure value of the position may be derived from the risk weighted exposure amounts taking into account any reductions made in accordance with BIPRU 9.10.4 RBIPRU 9.10.6 R;(2) where the supervisory formula method is used to calculate risk weighted exposure amounts and L KIRBR and [L+T] > KIRBR the position may be treated as two positions with L equal to KIRBR for the more senior of the positions.[Note:BCD
BIPRU 3.7.2RRP
This table belongs to BIPRU 3.7.1 R[Note: BCD Annex II]CategoryItemPercentageFull riskGuarantees having the character of credit substitutesCredit derivativesAcceptancesEndorsements on bills not bearing the name of another credit institutionTransactions with recourseIrrevocable standby letters of credit having the character of credit substitutesAssets purchased under outright forward purchase agreementsForward depositsThe unpaid portion of partly-paid shares and securitiesAsset