Australian Prudential Standard 112 – Requirements for Capital Adequacy against Credit Risk Exposures
The Australian Prudential Standard 112 – Capital Adequacy: Standardized Approach to Credit Risk aims at ensuring that “ensure that an authorized deposit-taking institution holds sufficient regulatory capital against credit risk exposures.”
Applicability
The APS 112 - Capital Adequacy: Standardized Approach to Credit Risk applies to all authorized deposit-taking institutions or ADIs under the Banking Act.
However, ADIs that have approval from APRA to use an internal ratings-based approach to credit risk under Prudential Standard APS 113 Capital Adequacy: Internal Ratings-based Approach to Credit Risk are exempt from this standard’s requirements.
Key Principles for this Prudential Standard
The APS 112 - Capital Adequacy: Standardized Approach to Credit Risk has been conceptualized on the following key principles:
- An ADI must apply risk-weights to its on-balance sheet assets and off-balance sheet exposures in accordance with the risk classes set out in the standard for regulatory capital purposes.
- An ADI may, subject to meeting the standard’s requirements, use certain credit risk mitigation (CRM) techniques in determining the capital requirement for a transaction or exposure.
Requirements for Risk-Weighting Approach
If the APRA feels that an ADI has not risk-weighted its exposure to credit risk properly, the agency will then determine the risk-weighted amount of a particular on-balance sheet asset or off-balance sheet exposure in writing.
The following are the standards requirements for on-balance sheet assets and off-balance sheet exposures:
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On-Balance Sheet Assets
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Off-Balance Sheet Exposures
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When calculating risk-weighted credit exposures, an ADI must include all market-related off-balance sheet transactions (including on-balance sheet unrealized gains on market-related off-balance sheet transactions) held in the banking and trading books.
The following are exempted from risk-weighting by an ADI:
- Foreign exchange contracts that have an original maturity of 14 calendar days or less
- Instruments traded on futures and options exchanges that are subject to daily mark-to-market and margin payments.
Using Ratings by External Credit Assessment Institutions (ECAI)
- An ADI may use an ECAI’s solicited ratings only to determine the credit rating grades that correspond to the risk-weights for counterparties and exposures.
- An ADI cannot use credit ratings for one entity within a corporate group to determine the risk-weight for other (unrated) entities within the same group.
Using Credit Risk Mitigation (CRM) Techniques
- An ADI cannot recognize additional credit risk mitigation on claims where the risk-weight is mapped from an ECAI issue-specific rating and that rating already reflects CRM
- In order for an ADI to obtain capital relief to use a CRM technique, it should ensure that all documentation is legally binding on all parties and legally enforceable in all relevant jurisdictions
- An ADI should have policies and procedures to manage risks associated with its CRM techniques
- If multiple CRM techniques cover a single credit risk exposure, then an ADI will have to divide the exposure into portions covered by each CRM technique. The risk-weighted assets of each of these portions will then have to be calculated and the total arrived at.
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