BIPRU 4.10 The IRB approach: Credit risk mitigation

A firm using the IRB approach, but not using its own estimates of LGD and conversion factors, may recognise credit risk mitigation in accordance with BIPRU 5 as modified by BIPRU 4.10 in the calculation of risk weighted exposure amounts for the purposes of the calculation of the credit risk capital component or as relevant expected loss amounts for the purposes of the calculation in GENPRU 2.2.191 R to GENPRU 2.2.193 R or GENPRU 2.2.236 R.

[Note: BCD Article 91 (as it applies to the IRB approach)]

1. (1)

   Where the requirements of BIPRU 5.2.2 R - BIPRU 5.2.8 R are met the calculation of risk weighted exposure amounts, and, as relevant, expected loss amounts, may be modified in accordance with BIPRU 5 as modified by BIPRU 4.10.

2. (2)

   No exposure in respect of which credit risk mitigation is obtained must produce a higher risk weighted exposure amount or expected loss amount than an otherwise identical exposure in respect of which there is no credit risk mitigation.

3. (3)

   Where the risk weighted exposure amount already takes account of credit protection under the IRB approach the calculation of the credit protection must not be further recognised under BIPRU 5 or BIPRU 4.10.

4. (4)

   Subject to BIPRU 5.2.8 R (Maturity mismatches), BIPRU 5.2.9 R (Combinations of credit risk mitigation in the standardised approach) and BIPRU 5.7.27 R to BIPRU 5.7.28 R (Basket credit risk mitigation techniques), where the CRM eligibility conditions and the CRM minimum requirements are satisfied, the calculation of risk weighted exposure amounts and expected loss amounts under the IRB approach may be modified in accordance with the provisions of BIPRU 5 and BIPRU 4.10 that deal with calculating the effects of credit risk mitigation.

[Note: BCD Article 93 and Annex VIII Part 3 point 1(as they apply to the IRB approach)]

In addition to the collateral set out in BIPRU 5.3.1 R to BIPRU 5.3.2 R, BIPRU 5.4.1 R to BIPRU 5.4.8 R and BIPRU 5.6.1 R (Eligibility of funded credit protection) the provisions of BIPRU 4.10.6 R - BIPRU 4.10.12 R (Eligibility of real estate collateral), BIPRU 4.10.14 R (Eligibility: receivables), BIPRU 4.10.16 R (Eligibility: other physical collateral), and BIPRU 4.10.19 R (Eligibility: leasing), apply where a firm calculates risk weighted exposure amounts and expected loss amounts under the IRB approach.

[Note: BCD Annex VIII Part 1 point 12]

1. (1)

   Residential real estate property which is or will be occupied or let by the owner or the beneficial owner in the case of personal investment companies and commercial real estate property, that is offices and other commercial premises, may be recognised as eligible collateral where the conditions set out in the remaining provisions of this paragraph are met.

2. (2)

   The value of the property must not materially depend upon the credit quality of the obligor. This requirement does not preclude situations where purely macro-economic factors affect both the value of the property and the performance of the borrower.

3. (3)

   The risk of the borrower must not materially depend upon the performance of the underlying property or project, but rather on the underlying capacity of the borrower to repay the debt from other sources. As such, repayment of the facility must not materially depend on any cash flow generated by the underlying property serving as collateral.

[Note: BCD Annex VIII Part 1 point 13]

The condition in BIPRU 4.10.6 R (3) does not apply to exposures secured by residential real estate property situated within the United Kingdom.

[Note: BCD Annex VIII Part 1 point 16 (part)]

1. (1)

   The condition in BIPRU 4.10.6 R (3) does not apply for exposures secured by residential real estate property situated within the territory of another EEA State.

2. (2)

   However (1) only applies if and to the extent that the CRD implementation measures for that EEA State in relation to the IRB approach implement the option set out in paragraph 16 of Part 1 of Annex VIII of the Banking Consolidation Directive (waiver for residential real estate property) with respect to residential real estate property situated within that EEA State. Therefore (1) does not apply if the eligibility to use this treatment under those measures ceases as contemplated under paragraph 18 of Part 1 of Annex VIII of the Banking Consolidation Directive (suspension of alternative treatment).

[Note: BCD Annex VIII Part 1 point 16 (part)]

1. (1)

   The condition in BIPRU 4.10.6 R (3) does not apply for commercial real estate property situated within the territory of another EEA State.

2. (2)

   However (1) only applies if and to the extent that the CRD implementation measures for that EEA State in relation to the IRB approach implement the option set out in paragraph 17 of Part 1 of Annex VIII of the Banking Consolidation Directive (waiver for commercial real estate property) with respect to commercial real estate property situated within that EEA State. Therefore (1) does not apply if the eligibility to use this treatment under those measures ceases as contemplated under paragraph 18 of Part 1 of Annex VIII of the Banking Consolidation Directive (suspension of alternative treatment).

[Note: BCD Annex VIII Part 1 point 19]

A firm may also recognise as eligible collateral shares in Finnish residential housing companies operating in accordance with the Finnish Housing Company Act of 1991 or subsequent equivalent legislation in respect of residential property which is or will be occupied or let by the owner, as residential real estate collateral, provided that the conditions in BIPRU 4.10.6 R are met.

[Note: BCD Annex VIII Part 1 point 14]

A firm may also recognise as eligible collateral shares in Finnish housing companies operating in accordance with the Finnish Housing Company Act of 1991 or subsequent equivalent legislation as commercial real estate collateral, provided that the conditions in BIPRU 4.10.6 R are met.

[Note: BCD Annex VIII Part 1 point 15]

For the recognition of real estate collateral: the minimum requirements in BIPRU 3.4.64 R - BIPRU 3.4.73 R must be met with the following adjustments:

1. (1)

   those provisions apply to all real estate collateral eligible under BIPRU 4.10; and

2. (2)

   the minimum frequency of valuation as referred to in BIPRU 3.4.66 R is once every year for commercial real estate.

[Note: BCD Annex VIII Part 2 point 8 (as it applies to the IRB approach)]

Amounts receivable linked to a commercial transaction or transactions with an original maturity of less than or equal to one year may be recognised as eligible collateral. Eligible receivables do not include those associated with securitisations, sub-participations or credit derivatives or amounts owed by affiliated parties.

[Note: BCD Annex VIII Part 1 point 20]

1. (1)

   For the recognition of receivables as collateral the requirements in this paragraph must be met.

2. (2)

   The legal mechanism by which the collateral is provided must be robust and effective and ensure that the lender has clear rights over the proceeds.

3. (3)

   A firm must take all steps necessary to fulfil local requirements in respect of the enforceability of security interests. There must be a framework which allows the lender to have a first priority claim over the collateral subject to any claims of preferential creditors provided for in applicable insolvency law.

4. (4)

   A firm must have conducted sufficient legal review confirming the enforceability of the collateral arrangements in all relevant jurisdictions.

5. (5)

   The collateral arrangements must be properly documented, with a clear and robust procedure for the timely collection of collateral. A firm's procedures must ensure that any legal conditions required for declaring the default of the borrower and timely collection of collateral are observed. In the event of the obligor's financial distress or default, a firm must have legal authority to sell or assign the receivables to other parties without consent of the receivables obligors.

6. (6)

   A firm must have a sound process for determining the credit risk associated with the receivables. Such a process must include, among other things, analyses of the obligor's business and industry and the types of customers with whom the obligor does business. Where a firm relies on the obligor to ascertain the credit risk of the customers, the firm must review the obligor's credit practices to ascertain their soundness and credibility.

7. (7)

   The margin between the amount of the exposure and the value of the receivables must reflect all appropriate factors, including the cost of collection, concentration within the receivables pool pledged by an individual obligor, and potential concentration risk within the firm's total exposures beyond that controlled by the firm's general methodology. A firm must maintain a continuous monitoring process appropriate to the receivables. Additionally, compliance with loan covenants, Environmental restrictions, and other legal requirements must be reviewed on a regular basis.

8. (8)

   The receivables pledged by an obligor must be diversified and not be unduly correlated with the obligor. Where there is material positive correlation, the attendant risks must be taken into account in the setting of margins for the collateral pool as a whole.

9. (9)

   Receivables from affiliates of the obligor (including subsidiary undertakings and employees) must not be recognised as risk mitigants.

10. (10)

    A firm must have a documented process for collecting receivable payments in distressed situations. The requisite facilities for collection must be in place, even when the firm normally looks to the obligor for collections.

[Note: BCD Annex VIII Part 2 point 9]

A firm may recognise as eligible collateral a physical item of a type other than those types indicated in BIPRU 4.10.6 R - BIPRU 4.10.12 R (Eligibility of real estate collateral) if its IRB permission provides that the firm may treat collateral of that type as eligible and if the firm is able to demonstrate the following:

1. (1)

   the existence of liquid markets for disposal of the collateral in an expeditious and economically efficient manner;

2. (2)

   the existence of well-established, publicly available market prices for the collateral; and

3. (3)

   there is no evidence that the net prices it receives when collateral is realised deviates significantly from the market prices referred to in (b).

[Note: BCD Annex VIII Part 1 point 21]

1. (1)

   If a type of other physical collateral referred to in BIPRU 4.10.16 R is potentially eligible under a firm's IRB permission a firm must only recognise it as eligible if the minimum requirements in (2) to (10) are met.

2. (2)

   The collateral arrangement must be legally effective and enforceable in all relevant jurisdictions and must enable the firm to realise the value of the property within a reasonable timeframe.

3. (3)

   With the sole exception of permissible prior claims referred to in BIPRU 4.10.15 R (3), only first liens on, or charges over, collateral must be permissible. As such, the firm must have priority over all other lenders to the realised proceeds of the collateral.

4. (4)

   The value of the property must be monitored on a frequent basis and at a minimum once every year. More frequent monitoring must be carried out where the market is subject to significant changes in conditions.

5. (5)

   The loan agreement (or other agreement documenting the exposure) must include detailed descriptions of the collateral plus detailed specifications of the manner and frequency of revaluation.

6. (6)

   The types of physical collateral accepted by the firm and policies and practices in respect of the appropriate amount of each type of collateral relative to the exposure amount must be clearly documented in internal credit policies and procedures available for examination.

7. (7)

   The firm's credit policies with regard to the transaction structure must address appropriate collateral requirements relative to the exposure amount, the ability to liquidate the collateral readily, the ability to establish objectively a price or market value, the frequency with which the value can readily be obtained (including a professional appraisal or valuation), and the volatility or a proxy of the volatility of the value of the collateral.

8. (8)

   Both initial valuation and revaluation must take fully into account any deterioration or obsolescence of the collateral. Particular attention must be paid in valuation and revaluation to the effects of the passage of time on fashion- or date-sensitive collateral.

9. (9)

   The firm must have the right to inspect the property physically. It must have policies and procedures addressing its exercise of the right to physical inspection.

10. (10)

    The firm must have procedures to monitor that the property taken as protection is adequately insured against damage.

[Note: BCD Annex VIII Part 2 point 10]

1. (1)

   Where the requirements set out in this paragraph are met, exposures arising from transactions whereby a firm leases property to a third party must be treated the same as loans collateralised by the type of property leased.

2. (2)

   For the exposures arising from leasing transactions to be treated as collateralised by the type of property leased, the following conditions must be met:

   1. (a)

      the conditions set out or referred to in BIPRU 4.10.13 R or BIPRU 4.10.18 R as appropriate for the recognition as collateral of the type of property leased are met;

   2. (b)

      there is robust risk management on the part of the lessor with respect to the use to which the leased asset is put, its age, and planned duration of its use, including appropriate monitoring of the value of the security;

   3. (c)

      there is in place a robust legal framework establishing the lessor's legal ownership of the asset and its ability to exercise its rights as owner in a timely fashion; and

   4. (d)

      where this has not already been ascertained in calculating the LGD level, the difference between value of the unamortised amount and the market value of the security must not be so large as to overstate the credit risk mitigation attributed to the leased assets.

[Note: BCD Annex VIII Part 1 point 22 and Part 2 point 11]

BIPRU 4.10.21 R - BIPRU 4.10.37 R and BIPRU 4.10.49 R set out how the calculation of risk weighted exposure amounts and expected loss amounts under BIPRU 4.1 - BIPRU 4.9 may be modified to take into account credit risk mitigation that meets the CRM eligibility conditions and the CRM minimum requirements.

The value of receivables for the purpose of calculating the effect of credit risk mitigation must be the amount receivable.

[Note: BCD Annex VIII Part 3 point 66]

Physical collateral recognised as eligible as described in BIPRU 4.10.16 R must be valued for the purpose of calculating the effect of credit risk mitigation at its market value. Market value is the estimated amount for which the property would exchange on the date of valuation between a willing buyer and a willing seller in an arm's-length transaction.

[Note: BCD Annex VIII Part 3 point 67]

BIPRU 4.10.24 R - BIPRU 4.10.29 R apply to collateral in the form of real estate collateral, receivables, other physical collateral and leasing permitted by BIPRU 4.10 and exposures secured by such collateral.

LGD* (the effective loss given default) calculated as set out in BIPRU 4.10.25 R - BIPRU 4.10.28 R must be taken as the LGD.

[Note: BCD Annex VIII Part 3 point 68]

Where the ratio of the value of the collateral (C) to the exposure value (E) is below a threshold level of C* (the required minimum collateralisation level for the exposure) as laid down in BIPRU 4.10.28 R, LGD* must be the LGD laid down in the other sections of BIPRU 4 for uncollateralised exposures to the counterparty. For this purpose, the exposure value of items listed in BIPRU 4.4.37 R to BIPRU 4.4.39 R and BIPRU 4.8.29 R must be calculated using a conversion factor or percentage of 100% rather than the conversion factors or percentages indicated in those rules.3

[Note: BCD Annex VIII Part 3 point 69]

Where the ratio of the value of the collateral to the exposure value exceeds a second, higher threshold level of C** (i.e. the required level of collateralisation to receive full LGD recognition) as laid down in BIPRU 4.10.28 R, LGD* must be that prescribed in that table.

[Note: BCD Annex VIII Part 3 point 70]

Where the required level of collateralisation C** is not achieved in respect of the exposure as a whole, the exposure must be considered to be two exposures - that part in respect of which the required level of collateralisation C** is achieved and the remainder.

[Note: BCD Annex VIII Part 3 point 71]

1. (1)

   A firm may apply the treatment in paragraph 74 of Part 3 of Annex VIII of the Banking Consolidation Directive (50% risk weight for exposures secured by real estate) in respect of exposures collateralised by:

   1. (a)

      residential real estate property; or

   2. (b)

      commercial real estate property;

   located in the territory of another EEA State.

2. (2)

   However (1)(a) or (1)(b) only applies if the CRD implementing measures for that EEA State with respect to the IRB approach have implemented the option set out in the provision of the Banking Consolidation Directive referred to in (1) with respect to the relevant category of real estate property situated within that EEA State.

3. (3)

   The use of the treatment in (1) with respect to property in another EEA State must be subject to the same conditions as apply under the relevant CRD implementation measures for that EEA State.

[Note: BCD Annex VIII Part 3 point 75]

1. (1)

   Where:

   1. (a)

      risk weighted exposure amounts and expected loss amounts are calculated under the IRB approach; and

   2. (b)

      an exposure is collateralised by both financial collateral and other eligible collateral;

   LGD* to be taken as the LGD for the purposes of the IRB approach must be calculated in accordance with this rule.

2. (2)

   A firm must subdivide the volatility-adjusted value of the exposure (i.e. the value after the application of the volatility adjustment as set out in BIPRU 5.4.28 R (Volatility adjustments under the financial collateral comprehensive method) into parts each covered by only one type of collateral. That is, the firm must divide the exposure into the part covered by eligible financial collateral, the part covered by receivables, the parts covered by commercial real estate property collateral and/or residential real estate property collateral, the part covered by other eligible collateral, and the unsecured part, as relevant.

3. (3)

   LGD* for each part of exposure must be calculated separately in accordance with the relevant provisions of BIPRU 5 (Credit risk mitigation) and BIPRU 4.10.

[Note: BCD Annex VIII Part 3 points 76 to 78]

The financial collateral simple method must not be used under the IRB approach.

[Note: BCD Annex VIII Part 3 point 24 (part)]

1. (1)

   This rule sets out how the calculations under BIPRU 5.6.11 R (Using the supervisory volatility adjustments or the own estimates volatility adjustments approaches to master netting agreements covering repurchase transactions and/or securities or commodities lending or borrowing transactions and/or other capital market driven transactions) must be modified under the IRB approach.

2. (2)

   Where risk weighted exposure amounts and expected loss amounts are calculated under the IRB approach, E is the exposure value for each separate exposure under the agreement referred to in the provisions listed in (1) that would apply in the absence of the credit protection.

[Note: BCD Annex VIII Part 3 point 11 (as it applies to the IRB approach)]

1. (1)

   This rule sets out how the calculations under BIPRU 5.6.24 R (Using the internal models approach to master netting agreements covering repurchase transactions and/or securities or commodities lending or borrowing transactions and/or other capital market driven transactions) must be modified under the IRB approach.

2. (2)

   Where risk weighted exposure amounts and expected loss amounts are calculated under the IRB approach E is the exposure value for each separate exposure under the agreement referred to in the provisions listed in (1) that would apply in the absence of the credit protection.

[Note: BCD Annex VIII Part 3 point 20 (as it applies to the IRB approach)]

1. (1)

   This rule sets out how the calculations under BIPRU 5.6.29 R (Calculating risk-weighted exposure amounts and expected loss amounts for master netting agreements covering repurchase transactions and/or securities or commodities lending or borrowing transactions and/or other capital market driven transactions) must be modified under the IRB approach.

2. (2)

   E* must be taken as the exposure value of the exposure to the counterparty arising from the transactions subject to the master netting agreement referred to in the provisions listed in (1) for the purposes of BIPRU 4.

[Note: BCD Annex VIII Part 3 point 23 (as it applies to the IRB approach)]

1. (1)

   This rule sets out how the calculations under BIPRU 5.4.28 R (Calculating adjusted values under the financial collateral comprehensive method) must be modified under the IRB approach.

2. (2)

   E as referred to in the provisions listed in (1) is the exposure value as would be determined under the IRB approach if the exposure was not collateralised. For this purpose, where a firm calculates risk weighted exposure amounts under the IRB approach, the exposure value of the items listed in BIPRU 4.4.37 R to BIPRU 4.4.39 R, BIPRU 4.4.45 R, BIPRU 4.6.44 R (3) and BIPRU 4.8.29 R must be calculated using a conversion factor of 100% rather than the conversion factors or percentages indicated in those provisions.

1. (1)

   This rule sets out the calculation of risk weighted exposure amounts2 and expected loss2 amounts under the financial collateral comprehensive method2 for a firm using the IRB approach.

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2. (2)

   LGD* (the effective loss given default) calculated as set out in this paragraph must be taken as the LGD for the purposes of BIPRU 4.

3. (3)

   LGD* = LGD x (E*/E) where:

   1. (a)

      LGD is the loss given default that would apply to the exposure under the IRB approach if the exposure was not collateralised;

   2. (b)

      E is the exposure value as calculated under BIPRU 41; and

   3. (c)

      E* is as calculated under BIPRU 5.4.28 R (3)1 (Calculation of adjusted values under the financial collateral comprehensive method).

[Note: BCD Annex VIII Part 3 point 61]

1. (1)

   In the case of a firm using the IRB approach to calculate risk weighted exposure amounts and expected loss amounts, the persons in (2) are added to the list in BIPRU 5.4.64 R (Definition of core market participant).

2. (2)

   The persons referred to in (1) are other financial companies (including insurance companies) exposures to which do not have a credit assessment by an eligible ECAI and are internally rated as having a probability of default equivalent to that associated with the credit assessments of ECAIs that are associated with credit quality step 2 or above under the rules for the risk weighting of exposures under the standardised approach to credit risk.

[Note: BCD Annex VIII Part 3 point 58(h) (as it applies to the IRB approach)]

1. (1)

   In the case of a firm using the IRB approach in calculating risk weighted exposure amounts and expected loss amounts, the persons in (2) are added to the list in BIPRU 5.7.1 R (List of eligible providers of unfunded credit protection).

2. (2)

   The persons referred to in (1) are other corporate entities, including parent undertakings, subsidiary undertakings and affiliate corporate entities of the firm, that do not have a credit assessment by an eligible ECAI and are internally rated as having a probability of default equivalent to that associated with the credit assessments of ECAIs that are associated with credit quality step 2 or above under the rules for the risk weighting of exposures under the standardised approach to credit risk.

[Note: BCD Annex VIII Part 1 point 26(g)(ii)]

Where risk weighted exposure amounts and expected loss amounts are calculated under the IRB approach, to be eligible a guarantor must be internally rated by a firm in accordance with the provisions of the minimum IRB standards.

[Note: BCD Annex VIII Part 1 point 27]

BIPRU 4.10.41 R to BIPRU 4.10.48 R set out the minimum requirements:

1. (1)

   assessing the effect of guarantees and credit derivatives for:

   1. (a)

      exposures in the sovereign, institution and corporate IRB exposure class2 where the advanced IRB approach is being used to calculate LGDs; and

   2. (b)

      retail exposures; and

2. (2)

   additionally, in the case of retail exposure guarantees, to the assignment of exposures to grades or pools, and the estimation of PD.

[Note: BCD Annex VII Part 4 point 97]

The requirements in BIPRU 4.10.40 R (2) and BIPRU 4.10.42 R - BIPRU 4.10.48 R do not apply to3 guarantees provided by institutions, central governments, central banks and other corporate entities which meet the requirements in BIPRU 5.7.1 R (7)31 if the firm has received approval under BIPRU 4.2 to apply the standardised approach for exposures to such entities. In this case the requirements of BIPRU 5 (credit risk mitigation) apply.

[Note: BCD Annex VII Part 4 point 96]

A firm must have clearly specified criteria for the types of guarantors it recognises for the calculation of risk weighted exposure amounts.

[Note: Annex VII Part 4 point 98]

For recognised guarantors the same requirements as for obligors as set out in BIPRU 4.3.43 R - BIPRU 4.3.48 R (Assignment to grades and pools), BIPRU 4.4.11 R - BIPRU 4.4.18 R and BIPRU 4.4.51 R (Assignment of exposures and rating systems), BIPRU 4.5.6 R (Assignment of exposures) and BIPRU 4.6.11 R and BIPRU 4.6.14 R (Assignment of exposures and rating systems) apply.

[Note: BCD Annex VII Part 4 point 99]

The guarantee must be evidenced in writing, non-cancellable on the part of the guarantor, in force until the obligation is satisfied in full (to the extent of the amount and tenor of the guarantee) and legally enforceable against the guarantor in a jurisdiction where the guarantor has assets to attach and enforce a judgement. Guarantees prescribing conditions under which the guarantor may not be obliged to perform (conditional guarantees) may be recognised if the IRB permission permits this. A firm must (in the case of a firm with an IRB permission that permits conditional guarantees) be able to demonstrate to the FSA that the assignment criteria adequately address any potential reduction in the risk mitigation effect.

[Note: BCD Annex VII Part 4 point 100]

A firm must have clearly specified criteria for adjusting grades, pools or LGD estimates, and in the case of retail exposures and eligible purchased receivables, the process of allocating exposures to grades or pools, to reflect the impact of guarantees for the calculation of risk weighted exposure amounts. These criteria must comply with the minimum requirements referred to in BIPRU 4.10.43 R.

[Note: BCD Annex VII Part 4 point 101]

The criteria in BIPRU 4.10.45 R must be plausible and intuitive. They must address the guarantor's ability and willingness to perform under the guarantee, the likely timing of any payments from the guarantor, the degree to which the guarantor's ability to perform under the guarantee is correlated with the obligor's ability to repay, and the extent to which residual risk to the obligor remains.

[Note: BCD Annex VII Part 4 point 102]

The minimum requirements for guarantees set out in BIPRU 4.10 also apply for single name credit derivatives. In relation to a mismatch between the underlying obligation and the reference obligation of the credit derivative or the obligation used for determining whether a credit event has occurred the requirements set out under BIPRU 5.7.14 R (Mismatches and credit derivatives) apply. For retail exposures and eligible purchased receivables, this paragraph applies to the process of allocating exposures to grades or pools.

[Note: BCD Annex VII Part 4 point 103]

The criteria applied by BIPRU 4.10.47 R must address the payout structure of the credit derivative and conservatively assess the impact this has on the level and timing of recoveries. A firm must consider the extent to which other forms of residual risk remain.

[Note: BCD Annex VII Part 4 point 104]

1. (1)

   This rule relates to the calculation of risk-weighted exposure amounts and expected loss amounts in the case of unfunded credit protection.

2. (2)

   BIPRU 5.7.21 R (Tranching) applies for the purpose in (1).

3. (3)

   The provisions in (4) replace those in BIPRU 5.7.22 R to BIPRU 5.7.25 R (Calculating risk weighted exposure amounts under the standardised approach in the case of unfunded credit protection).

4. (4)

   For the covered portion of the exposure value E3 (based on the adjusted value of the credit protection G_A), the PD for the purposes of BIPRU 4 may be the PD of the protection provider, or a PD between that of the borrower and that of the guarantor if a full substitution is deemed not to be warranted. In the case of subordinated exposures and non-subordinated unfunded protection, the LGD to be applied for the purposes of BIPRU 4 may be that associated with senior claims.

5. (5)

   For any uncovered portion of the exposure value E3 the PD must be that of the borrower and the LGD must be that of the underlying exposure.

6. (6)

   G_A is the value of G* as calculated under BIPRU 5.7.17 R (Valuation of unfunded credit protection) further adjusted for any maturity mismatch as laid down in BIPRU 4.10.51 R (Maturity mismatches).

7. (7)

   E is the exposure value as related to the following rules: BIPRU 4.4.38 R, BIPRU 4.4.39 R, BIPRU 4.4.71 R to BIPRU 4.4.78 R, BIPRU 4.7.7 R, BIPRU 4.8.28 R, BIPRU 4.8.29 R and BIPRU 4.9.9 R. For this purpose, the exposure value of the items referred to in BIPRU 4.4.37 R to BIPRU 4.4.39 R and BIPRU 4.8.29 R must be calculated using a conversion factor or percentage of 100% rather than the conversion factors or percentages indicated in those rules.3

[Note: BCD Annex VIII Part 3 points 90 to 92]

In addition to BIPRU 5.8.2 R, where there is a maturity mismatch the credit protection must not be recognised where the exposure is a short term exposure specified in the firm's IRB permission as being subject to a one-day floor rather than a one-year floor in respect of the maturity value (M) under BIPRU 4.4.68 R.

[Note: BCD Annex VIII Part 4 point 2(b)]

G_A as calculated under BIPRU 5.8.11 R is then taken as the value of the protection for the purposes of calculating the effects of unfunded credit protection under the IRB approach.

[Note: BCD Annex VIII Part 4 point 8 (part)]