+CHAPTER 3 Internal Ratings Based Approach
---+Section 1 Permission by competent authorities to use the IRB approach
------+Article 142 Definitions
---------+Article 142 1.
---------+Article 142 2.
------+Article 143 Permission to use the IRB Approach
---------+Article 143 1.
---------+Article 143 2.
---------+Article 143 3.
---------+Article 143 4.
---------+Article 143 5.
------+Article 144 Competent authorities' assessment of an application to use an IRB Approach
---------+Article 144 1.
---------+Article 144 2.
------+Article 145 Prior experience of using IRB approaches
---------+Article 145 1.
---------+Article 145 2.
---------+Article 145 3.
------+Article 146 Measures to be taken where the requirements of this Chapter cease to be met
------+Article 147 Methodology to assign exposures to exposure classes
---------+Article 147 1.
---------+Article 147 2.
---------+Article 147 3.
---------+Article 147 3a.
---------+Article 147 4.
---------+Article 147 5.
---------+Article 147 5a.
---------+Article 147 6.
---------+Article 147 7.
---------+Article 147 8.
---------+Article 147 9.
---------+Article 147 10.
---------+Article 147 11.
---------+Article 147 12.
------+Article 148 Conditions for implementing the IRB Approach across different classes of exposure and business units
---------+Article 148 1.
---------+Article 148 2.
---------+Article 148 3.
------+Article 149 Conditions to revert to the use of less sophisticated approaches
---------+Article 149 1.
---------+Article 149 2.
---------+Article 149 3.
------+Article 150 Conditions for permanent partial use
---------+Article 150 1.
---------+Article 150 1a.
---------+Article 150 2a.
---+Section 2 Calculation of risk-weighted exposure amounts
------+Sub-Section 1 Treatment by type of exposure class
---------+Article 151 Treatment by exposure class
------------+Article 151 1.
------------+Article 151 2.
------------+Article 151 3.
------------+Article 151 5.
------------+Article 151 6.
------------+Article 151 7.
------------+Article 151 8.
------------+Article 151 9.
------------+Article 151 10.
------------+Article 151 11.
---------+Article 152 Treatment of exposures in the form of units or shares in CIUs
------------+Article 152 1.
------------+Article 152 2.
------------+Article 152 3.
------------+Article 152 4.
------------+Article 152 5.
------------+Article 152 6.
------------+Article 152 7.
------------+Article 152 8.
------------+Article 152 9.
------+Sub-Section 2 Calculation of risk-weighted exposure amounts for credit risk
---------+Article 153 Risk-weighted exposure amounts for exposures to central governments and central banks, exposures to regional governments, local authorities and public sector entities, exposures to institutions and exposures to corporates
------------+Article 153 1.
------------+Article 153 2.
------------+Article 153 4.
------------+Article 153 5.
------------+Article 153 6.
------------+Article 153 7.
------------+Article 153 8.
------------+Article 153 9.
---------+Article 154 Risk-weighted exposure amounts for retail exposures
------------+Article 154 1.
------------+Article 154 3.
------------+Article 154 4.
------------+Article 154 5.
------------+Article 154 6.
------------+Article 154 7.
---------+Article 156 Risk-weighted exposure amounts for other non credit-obligation assets
------+Sub-Section 3 Calculation of risk-weighted exposure amounts for dilution risk of purchased receivables
---------+Article 157 Risk-weighted exposure amounts for dilution risk of purchased receivables
------------+Article 157 1.
------------+Article 157 2.
------------+Article 157 3.
------------+Article 157 4.
------------+Article 157 5.
------------+Article 157 6.
---+Section 3 Expected loss amounts
------+Article 158 Treatment by exposure type
---------+Article 158 1.
---------+Article 158 2.
---------+Article 158 3.
---------+Article 158 4.
---------+Article 158 5.
---------+Article 158 6.
---------+Article 158 9a.
---------+Article 158 10.
------+Article 159 Treatment of expected loss amounts, IRB shortfall and IRB excess
---------+Article 159 1.
---------+Article 159 2.
---+Section 4 PD, LGD and maturity
------+Sub-Section - 1 Exposures covered by guarantees provided by Member States’ central governments and central banks or the ECB
---------+Article 159a Non-application of PD, LGD and CCF input floors
------+Sub-Section 1 Exposures to corporates, institutions, central governments and central banks, regional governments, local authorities and public sector entities
---------+Article 160 Probability of default (PD)
------------+Article 160 1.
------------+Article 160 1a.
------------+Article 160 2.
------------+Article 160 3.
------------+Article 160 4.
------------+Article 160 6.
------------+Article 160 7.
---------+Article 161 Loss Given Default (LGD)
------------+Article 161 1.
------------+Article 161 2.
------------+Article 161 3.
------------+Article 161 4.
------------+Article 161 5.
------------+Article 161 6.
------------+Article 161 7.
---------+Article 162 Maturity
------------+Article 162 1.
------------+Article 162 2.
------------+Article 162 3.
------------+Article 162 4.
------------+Article 162 5.
------------+Article 162 6.
------+Sub-Section 2 Retail exposures
---------+Article 163 Probability of default (PD)
------------+Article 163 1.
------------+Article 163 2.
------------+Article 163 3.
------------+Article 163 4.
---------+Article 164 Loss Given Default (LGD)
------------+Article 164 1.
------------+Article 164 2.
------------+Article 164 4.
------------+Article 164 4a.
------------+Article 164 5.
------------+Article 164 6.
------------+Article 164 7.
------------+Article 164 8.
------------+Article 164 9.
------------+Article 164 10.
---+Section 5 Exposure value
------+Article 166 Exposures to corporates, institutions, central governments and central banks, regional governments, local authorities and public sector entities and retail exposures
---------+Article 166 1.
---------+Article 166 2.
---------+Article 166 3.
---------+Article 166 4.
---------+Article 166 5.
---------+Article 166 6.
---------+Article 166 7.
---------+Article 166 8.
---------+Article 166 8a.
---------+Article 166 8b.
---------+Article 166 8c.
---------+Article 166 9.
------+Article 168 Other non credit-obligation assets
---+Section 6 Requirements for the IRB approach
------+Sub-Section 3 Validation of internal estimates
---------+Article 185 Validation of internal estimates
------+Sub-Section 5 Internal governance and oversight
---------+Article 189 Corporate Governance
------------+Article 189 1.
------------+Article 189 2.
------------+Article 189 3.
---------+Article 190 Credit risk control
------------+Article 190 1.
------------+Article 190 2.
------------+Article 190 3.
------------+Article 190 4.
---------+Article 191 Internal Audit
------+Sub-Section 1 Rating systems
---------+Article 169 General principles
------------+Article 169 1.
------------+Article 169 2.
------------+Article 169 3.
---------+Article 170 Structure of rating systems
------------+Article 170 1.
------------+Article 170 2.
------------+Article 170 3.
------------+Article 170 4.
---------+Article 171 Assignment to grades or pools
------------+Article 171 1.
------------+Article 171 2.
------------+Article 171 3.
---------+Article 172 Assignment of exposures
------------+Article 172 1.
------------+Article 172 2.
------------+Article 172 3.
---------+Article 173 Integrity of assignment process
------------+Article 173 1.
------------+Article 173 2.
------------+Article 173 3.
---------+Article 174 Use of models
---------+Article 175 Documentation of rating systems
------------+Article 175 1.
------------+Article 175 2.
------------+Article 175 3.
------------+Article 175 4.
------------+Article 175 5.
---------+Article 176 Data maintenance
------------+Article 176 1.
------------+Article 176 2.
------------+Article 176 3.
------------+Article 176 4.
------------+Article 176 5.
---------+Article 177 Stress tests used in assessment of capital adequacy
------------+Article 177 1.
------------+Article 177 2.
------------+Article 177 2a.
------+Sub-Section 2 Risk quantification
---------+Article 183 Requirements for assessing the effect of unfunded credit protection for exposures to central governments and central banks, exposures to regional governments, local authorities and public sector entities, and exposures to corporates, where own estimates of LGD are used and for retail exposures
------------+Article 183 1.
------------+Article 183 1a.
------------+Article 183 2.
------------+Article 183 3.
------------+Article 183 4.
------------+Article 183 5.
---------+Article 184 Requirements for purchased receivables
------------+Article 184 1.
------------+Article 184 2.
------------+Article 184 3.
------------+Article 184 4.
------------+Article 184 5.
------------+Article 184 6.
---------+Article 178 Default of an obligor or credit facility
------------+Article 178 1.
------------+Article 178 2.
------------+Article 178 3.
------------+Article 178 4.
------------+Article 178 5.
------------+Article 178 6.
------------+Article 178 7.
---------+Article 179 Overall requirements for estimation
------------+Article 179 1.
------------+Article 179 2.
---------+Article 180 Requirements specific to PD estimation
------------+Article 180 1.
------------+Article 180 2.
------------+Article 180 3.
---------+Article 181 Requirements specific to own-LGD estimates
------------+Article 181 1.
------------+Article 181 2.
------------+Article 181 3.
------------+Article 181 4.
------------+Article 181 5.
---------+Article 182 Requirements specific to own-conversion factor estimates
------------+Article 182 4.
------------+Article 182 5.
------------+Article 182 1.
------------+Article 182 1a.
------------+Article 182 1b.
------------+Article 182 1c.
------------+Article 182 1d.
------------+Article 182 2.
------------+Article 182 3.

CHAPTER 3 Internal Ratings Based Approach

CHAPTER 3 Internal Ratings Based Approach

1. Overview

,
Section 1 Permission by competent authorities to use the IRB approach Section 1 Permission by competent authorities to use the IRB approach
Section 2 Calculation of risk-weighted exposure amounts Section 2 Calculation of risk-weighted exposure amounts
Section 3 Expected loss amounts Section 3 Expected loss amounts
Section 4 PD, LGD and maturity Section 4 PD, LGD and maturity
Section 5 Exposure value Section 5 Exposure value
Section 6 Requirements for the IRB approach Section 6 Requirements for the IRB approach

1.1 References

1.2 Identified Requirements

1.3 Related Standards

2. Identified Requirements

Requirements

3. Related Standards

Standards